advertisement
Agilent Technologies 85330A
Multiple Channel Controller
Operating, Programming, and Service Manual
Part number: 85330-90019
Printed in USA
October 2002
Supersedes November 1999
Notice
Restricted Rights Legend
Use, duplication, or disclosure by the U.S. Government is subject to restrictions as set forth in subparagraph (c)(1)(ii) of the Rights in Technical
Data and Computer Software clause at DFARS 252.227-7013 for DOD agencies, and subparagraphs (c)(1) and (c)(2) of the Commercial Computer
Software Restricted Rights clause at FAR 52.227-19 for other agencies.
ii
© Copyright Agilent Technologies, Inc. 1997,1999, 2002
85330A Multiple Channel Controller
What You’ll Find in This Manual…
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Installation - Shows how a standard Agilent 85330A system is installed.
If you purchased a preconfigured system, Agilent has provided documentation that contains installation information for your specific system. Use the documentation for your special system instead of the information in this chapter.
•
Performance Verification - Explains how to verify that the 85330A system is operating properly.
•
Operator’s Check - This is a quick check of the system to make sure it is operating properly.
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General Information - Describes a typical system, and includes information on:
Supplied items
Features
85330A connectors
Accessories
Specifications
Environmental Characteristics
Compatible instruments
•
Manual Operation - Describes functions that can be performed manually using the multiple channel controller’s front panel softkeys.
•
Programming - Describes the 85330A programming fundamentals with examples.
•
Remote Programming Command Reference - A dictionary of the
85330As programming commands.
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In Case of Difficulty - How to solve common system problems.
•
Service - Explains how to determine if the 85330A specific control cards are working. This chapter does not explain how to troubleshoot the VXI mainframe, which has its own service documentaiton.
85330A Multiple Channel Controller iii
Certification
Documentation
Warranty
Assistance
•
Glossary of Terms - This glossary defines special terminology associated with this system. Words shown in bold text are defined in the glossary.
Warranty
Agilent Technologies certifies that this product met its published specifications at the time of shipment from the factory. Agilent further certifies that its calibration measurements are traceable to the United States
National Institute of Standards and Technology (NIST, formerly NBS), to the extent allowed by the Institute’s calibration facility, and to the calibration facilities of other International Standards Organization members.
THE MATERIAL CONTAINED IN THIS DOCUMENT IS
PROVIDED "AS IS," AND IS SUBJECT TO BEING CHANGED,
WITHOUT NOTICE, IN FUTURE EDITIONS. FURTHER, TO
THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW,
AGILENT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS
OR IMPLIED WITH REGARD TO THIS MANUAL AND ANY
INFORMATION CONTAINED HEREIN, INCLUDING BUT NOT
LIMITED TO THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. AGILENT SHALL NOT BE LIABLE FOR ERRORS
OR FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES IN
CONNECTION WITH THE FURNISHING, USE, OR
PERFORMANCE OF THIS DOCUMENT OR ANY
INFORMATION CONTAINED HEREIN. SHOULD AGILENT
AND THE USER HAVE A SEPARATE WRITTEN AGREEMENT
WITH WARRANTY TERMS COVERING THE MATERIAL IN
THIS DOCUMENT THAT CONFLICT WITH THESE TERMS,
THE WARRANTY TERMS IN THE SEPARATE AGREEMENT
WILL CONTROL.
Product maintenance agreements and other customer assistance agreements are available for Agilent products.
For assistance, call your local Agilent Technologies office (refer to
“Service and Support” on page v ).
iv 85330A Multiple Channel Controller
Service and Support
Any adjustment, maintenance, or repair of this product must be performed by qualified personnel. Contact your customer engineer through your local
Agilent Technologies Service Center. You can find a list of local service representatives on the Web at: http://www.agilent.com/find/assist
Click on “Contact Us” and select your country.
If you do not have access to the Internet, one of these centers can direct you to your nearest Agilent Technologies representative:
United States
Canada
Europe
Japan
Latin America
Australia/New
Zealand
Asia-Pacific
(800) 403-0801
(800) 593-6635 for on-site service of systems
(877) 429-9969
(41 22) 780.6111 (Switzerland)
(33 1) 69 82 66 66 (France)
(49 7031) 464-6222 (Germany)
(44 188) 9696622 (Great Britain)
0120-32-0119
(11) 7297-3700 (Brazil)
1-800-802-540 (Australia)
0800-738-378 (New Zealand)
080-047-669
85330A Multiple Channel Controller v
WARNING
CAUTION
Instrument Markings
Safety and Regulatory Information
Review this product and related documentation to familiarize yourself with safety markings and instructions before you operate the instrument. This product has been designed and tested in accordance with international standards.
The WARNING notice denotes a hazard. It calls attention to a procedure, practice, or the like, that, if not correctly performed or adhered to, could result in personal injury. Do not proceed beyond a WARNING notice until the indicated conditions are fully understood and met.
The CAUTION notice denotes a hazard. It calls attention to an operating procedure, practice, or the like, which, if not correctly performed or adhered to, could result in damage to the product or loss of important data. Do not proceed beyond a CAUTION notice until the indicated conditions are fully understood and met.
The ON symbol. The ON symbol is used to mark the positions of the instrument line switch.
The OFF symbol. The OFF symbol is used to mark the positions of the instrument line switch.
The ON symbol. The ON symbol is used to mark the positions of the instrument line switch.
The OFF symbol. The OFF symbol is used to mark the positions of the instrument line switch.
This symbol indicates that the power line switch is OFF or in STANDBY position.
The AC symbol. The AC symbol is used to indicate the required nature of the line module input power.
The instruction documentation symbol. The product is marked with this symbol when it is necessary for the user to refer to the instructions in the documentation.
vi 85330A Multiple Channel Controller
The CE mark is a registered trademark of the European
Community. (If accompanied by a year, it is when the design was proven.)
The CSA mark is a registered trademark of the Canadian
Standards Association.
This is a symbol of an Industrial Scientific and Medical
Group 1 Class A product.
ICES /
NMB-001
This is a marking to indicate product compliance with the
Canadian Interference-Causing Equipment Standard
(ICES-001).
The C-Tick mark is a registered trademark of the
Australian Spectrum Management Agency.
Safety Earth
Ground
This is a Safety Class I product (provided with a protective earthing terminal). An uninterruptible safety earth ground must be provided from the main power source to the product input wiring terminals, power cord, or supplied power cord set. Whenever it is likely that the protection has been impaired, the product must be made inoperative and secured against any unintended operation.
Before Applying Power
Verify that the product is configured to match the available main power source as described in the input power configuration instructions in this manual. If this product is to be powered by autotransformer, make sure the common terminal is connected to the neutral (grounded) side of the ac power supply.
WARNING No operator serviceable parts inside. Refer servicing to qualified personnel. To prevent electrical shock do not remove covers.
WARNING For continued protection against fire hazard, replace line fuse only with the same type and ratings (type nA/nV). The use of other fuses or materials is prohibited.
WARNING To prevent electrical shock, disconnect the 85330A from mains before cleaning. Use a dry cloth or one slightly dampened with water to clean the external case parts. Do not attempt to clean internally.
85330A Multiple Channel Controller vii
WARNING
CAUTION
CAUTION
If this product is not used as specified, the protection provided by the equipment could be impaired. This product must be used in a normal condition
(in which all means for protection are intact).
Always use the three-prong ac power cord supplied with this product.
Failure to ensure adequate earth grounding by not using this cord may cause product damage.
Install the instrument according to the enclosure protection provided. This instrument does not protect against the ingress of water.
This instrument protects against finger access to hazardous parts with the enclosure.
viii 85330A Multiple Channel Controller
NOTE
Sound Emmisions
Manufacturers Declaration
This is to certify that this product meets the radio frequency interference requirements of Directive FTZ 1046/1984. The German Bundespost has been notified that this equipment was put into circulation and has been granted the right to check the product type for compliance with these requirements.
This product has be designed and tested in accordance with IEC Publication
1010, Safety Requirements for Electronic Measuring Apparatus, and has been supplied in a safe condition. The instruction documentation contains information and warnings which must be followed by the user to ensure safe operation and to maintain the product in a safe condition.
If test and measurement equipment is operated with unshielded cables and/or used for measurements on open set-ups, the user must insure that under these operating conditions, the radio frequency interference limits are met at the boarder of his premises.
Hiermit wird bescheinigt, dass dieses Gerät/System in Übereinstimmung mit den Bestimmungen von Postverfügung 1046/84 funkentstört ist.
Der Deutschen Bundespost wurde das Inverkehrbringen dieses
Gerät/Systems angezeight und die Berechtigung zur Überprüfung der Serie auf Einhaltung der Bestimmungen eingeräumt.
Zustzinformation für Mess-und Testgeräte:
Werden Mess- und Testgeräte mit ungeschirmten Kabeln und/oder in offenen Messaufbauten verwendet, so ist vom Betreiber sicherzustellen, dass die Funk-Entstörbestimmungen unter Betriebsbedingungen an seiner
Grundstücksgrenze eingehalten werden.
This is to declare that this product is in conformance with the German
Regulation on Noise Declaration for Machines (Laermangabe nach der maschinenlaermrerordnung -3. GSGV Deutschland).
Acoustic Noise Emission
LpA < 70 dB
Operator Position
Normal Position per ISO 7779
Geraeuschemission
LpA < 70 dB am Arbeitsplatz normaler Betrieb nach DIN 45635 t. 19
85330A Multiple Channel Controller ix
Manufacturers Declaration
DECLARATION OF CONFORMITY
According to ISO/IEC Guide 22 and EN 45014
Manufacturer’s Name:
Manufacturer’s Address:
Hewlett-Packard Co.
1400 Fountaingrove Parkway
Santa Rosa, CA 95403-1799
USA
Declares that the product:
Product Name: Multiple Channel Controller
HP 85330A Model Number:
Product Options: This declaration covers all options of the above product.
Conforms to the following product specifications:
Safety: IEC 61010-1:1990 / EN 61010-1:1993
CAN/CSA-C22.2 No. 1010.1-92
EMC: CISPR 11:1990/EN 55011:1991 Group 1, Class A
IEC 801-2:1984/EN 50082-1:1992 4 kV CD, 8 kV AD
IEC 801-3:1984/EN 50082-1:1992 3 V/m, 27-500 MHz
IEC 801-4:1988/EN 50082-1:1992 0.5 kV sig. lines, 1 kV power lines
Supplementary Information:
The product herewith complies with the requirements of the Low Voltage Directive
73/23/EEC and the EMC Directive 89/336/EEC and carries the CE-marking accordingly.
The controller was tested with HP 85331A and HP 85332A switches.
Santa Rosa, CA, USA 12 July 1999
Greg Pfeiffer/Quality Engineering Manager
European Contact: Your local Hewlett-Packard Sales and Service Office or Hewlett-Packard GmbH Department HQ-
TRE, Herreneberger Strasse 130, D71034 Boblingen, Germany (FAX +49-7031-14-3143) x 85330A Multiple Channel Controller
Typeface Conventions
Typeface Conventions
Italics
Instrument Display
[Keycap]
{Softkey}
User Entry
Path Name
Computer Display
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Used to emphasize important information:
Use this software only with the Agilent 85330A system.
•
Used for the title of a publication:
Refer to the Agilent Technologies 85330A System-Level User’s
Guide.
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Used to indicate a variable:
Type
LOAD BIN
filename.
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Used to show on-screen prompts and messages that you will see on the display of an instrument:
The Agilent xxxxxX will display the message
CAL1 SAVED
.
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Used for labeled keys on the front panel of an instrument or on a computer keyboard:
Press [Return] .
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Used for simulated keys that appear on an instrument display:
Press {Prior Menu} .
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Used to indicate text that you will enter using the computer keyboard; text shown in this typeface must be typed exactly as printed:
Type
LOAD PARMFILE
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Used for examples of programming code:
#endif // ifndef NO_CLASS
•
Used for a subdirectory name or file path:
Edit the file
usr/local/bin/sample.txt
•
Used to show messages, prompts, and window labels that appear on a computer monitor:
The Edit Parameters window will appear on the screen.
•
Used for menus, lists, dialog boxes, and button boxes on a computer monitor from which you make selections using the mouse or keyboard:
Double-click EXIT to quit the program.
85330A Multiple Channel Controller xi
Typeface Conventions xii 85330A Multiple Channel Controller
Contents
What You’ll Find in This Manual… . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
Documentation Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv
Safety and Regulatory Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi
Safety Earth Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii
Before Applying Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii
Manufacturers Declaration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix
Sound Emmisions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix
Installation at a Glance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Preparing the Main Antenna Measurement System . . . . . . . . . . . . . . . . 1-2
Installing the Agilent 85330A Multiple Channel Controller . . . . . . . . . 1-2
Choosing the Proper Configuration . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Checking Operation of the Multiple Channel Controller . . . . . . . . . . . . 1-6
Loading the Driver from a Personal Computer . . . . . . . . . . . . . . . . 1-6
Viewing or Changing the GPIB Address of the Multiple Channel
Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
Selecting Positive or Negative-Edge Event Triggers . . . . . . . . . . . . . . . 1-8
Installing the Switch Control Units and Switches . . . . . . . . . . . . . . . . 1-10
Mounting the SCU and RF Switch . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
Switch Control Unit Configuration Switches . . . . . . . . . . . . . . . . . 1-10
Recommended Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Performance Verification Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Setting Up the Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
85330 System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Digital Oscilloscope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Network Analyzer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
Verifying the Multiple Channel Controller . . . . . . . . . . . . . . . . . . . . . . . 2-6
85330A Multiple Channel Controller xiii
Output Trigger Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
Pulse Receive and Cycle Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
Counter Pulse Delay Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
Measurement Busy Signal and Pulse Width Test . . . . . . . . . . . . . . 2-11
Verifying the Switch Control Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12
Verifying the RF Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13
RF Performance Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14
Verifying Remote Ports 1 and 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15
AUX 1 and AUX 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17
Measuring Pulses from AUX 1 or AUX 2 . . . . . . . . . . . . . . . . . . . 2-17
AUX 1 and AUX 2 Output Voltage Test . . . . . . . . . . . . . . . . . . . . . 2-18
When Finished with All Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18
Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
In-depth Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
Manual Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Automated Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Preparing the 85330A to Control the System . . . . . . . . . . . . . . . . . . . . . 4-4
Switch Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
The Downloadable Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
System Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
Required Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
Supplied Equipment and Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
85330A Multiple Channel Controller Characteristics . . . . . . . . . . . . . . . 4-9
Environmental Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9
Ventilation Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10
Need More Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-11
Compatible Receivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15
Compatible LO Sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15
Compatible RF Sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15
xiv 85330A Multiple Channel Controller
About the Softkeys Menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
To View or Change the 85330’s GPIB Address . . . . . . . . . . . . . . . . . . . 5-4
Viewing GPIB Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
Changing the GPIB Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
To Close Any Switch in the System (to select a channel) . . . . . . . . . . . 5-5
More about Switch Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
To Change the TTL State of AUX 1 or AUX 2 . . . . . . . . . . . . . . . . . . . 5-6
To View the Most Recent Error Message . . . . . . . . . . . . . . . . . . . . . . . . 5-6
To View the Revision of the Downloaded Driver . . . . . . . . . . . . . . . . . 5-6
To View Custom Option Number (If Applicable) . . . . . . . . . . . . . . . . . 5-7
To Manually Send Trigger Pulses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
To Perform Service Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
GPIB Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Long and Short Command Syntax . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Definition of Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
To Choose a Measurement Configuration . . . . . . . . . . . . . . . . . . . . . . . 6-3
CW Measurement Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
To Use this Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
Single Source Multiple-Frequency Configuration . . . . . . . . . . . . . . . . . 6-5
To Use this Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
Dual Source Multiple-Frequency Measurements . . . . . . . . . . . . . . . . . . 6-7
8530A Control of Sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7
To Use this Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7
To Use this Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8
Selecting a Channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-9
To Use Run-Time Control Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-12
Setup of the 85330A Multiple Channel Controller . . . . . . . . . . . . 6-12
Event Triggering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-12
Number of Frequency Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-12
Number of Angular Increments (Events) . . . . . . . . . . . . . . . . . . . . 6-12
List of Switch States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-12
Switch Settling Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-13
TTL Trigger and Ready Timeouts . . . . . . . . . . . . . . . . . . . . . . . . . 6-13
85330A Multiple Channel Controller xv
Using More than One Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-14
Starting Run-Time Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-14
Run-Time Measurement Sequence . . . . . . . . . . . . . . . . . . . . . . . . . 6-14
Run-Time Measurement Sequence for Multiple Controllers . . . . . 6-18
Using IMM vs. TTL Trigger for Source 1 . . . . . . . . . . . . . . . . . . . 6-18
Programming Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-21
85330A Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-34
Remote Programming Command Reference
Common Command Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
Standard Command Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
Common Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3
Standard Command Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-5
Subsystem Command Syntax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-5
RUNTime:CONTroller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-8
RUNTime:EVENt:COUNt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-8
RUNTime:EVENt:TRIGger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-9
IMM Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-9
RUNTime:INITiate:IMM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-10
RUNTime:SOURce:COUNt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-10
RUNTime:SOURce:SOURCE1:TRIGger . . . . . . . . . . . . . . . . . . . . . . . 7-11
RUNTime:SOURce:SOURCE2:TRIGger . . . . . . . . . . . . . . . . . . . . . . . 7-11
RUNTime:SWITch:DELay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-12
RUNTime:SWITch:SCAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-13
RUNTime:SWITch:TRIGger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-14
RUNTime:TIMEout:EVENt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-15
RUNTime:TIMEout:RECeiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-15
RUNTime:TIMEout:REMote . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-16
RUNTime:TIMEout:SOURce . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-16
8.
The 85330A Does Not Show the Main Menu When Turned ON . . . . . 8-11
xvi 85330A Multiple Channel Controller
Recommended Test Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-8
Troubleshooting the System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-10
Troubleshooting the Multiple Channel Controller . . . . . . . . . . . . . 9-10
Troubleshooting the Switch Control Unit . . . . . . . . . . . . . . . . . . . 9-11
Troubleshooting the RF Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-11
Troubleshooting the Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-11
Parts List Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-14
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-14
Replaceable Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-14
Mainframe, Plug-in Cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-16
Switch Control Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-17
Interconnect Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-18
Assembly and Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-19
Mainframe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-19
E1330 Card Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-20
85330-60002 Card Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . 9-20
Switch Control Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-21
Selecting Positive or Negative-Edge Event Triggers . . . . . . . . . . . 9-22
Selecting the Multiple Channel Controller’s GPIB Address . . . . . 9-23
Switching from the Internal to External Power Supply . . . . . . . . . 9-24
Preventive Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-25
11.
85330A Multiple Channel Controller xvii
-xviii 85330A Multiple Channel Controller
1
Installation at a
Glance
Installation
Installation
The installation procedure is composed of the following basic steps:
1. If you just purchased an antenna measurement system, install all components as described in the documentation that came with that system. Do not connect the Agilent 85330A yet.
2. Turn on the system and perform a functional check.
3. If desired, verify the performance of the system components by referring to the Performance Verification chapter of the system manual.
4. Install and verify the 85330A system as explained in this manual.
85330A Multiple Channel Controller 1-1
Installation
Preparing the Main Antenna Measurement System
Preparing the Main Antenna Measurement
System
CAUTION
Choosing the Proper
Configuration
As an antistatic precaution, do not touch exposed connector contacts!
Information about installing, performing an operational check, and verifying the main antenna measurement system is explained in the appropriate documentation listed below:
•
Agilent 85301B Antenna Measurement System Manual
•
Agilent 85301C Antenna Measurement System Manual
•
Agilent 85310A Distributed Frequency Converter Manual
If you purchased an Agilent 8511 as a stand-alone unit, refer to the Agilent
8530A On-Site Service Manual for installation instructions. Verify the 8511 as explained in its operating and service manual.
Installing the Agilent 85330A Multiple Channel
Controller
There are two ways to install the Agilent 85330A system.
Figure 1-1 on page 1-3 is a flow chart that shows a installation configuration that is
appropriate for you to use.
How to use the figure
Follow the flow chart from the top. Determine if your measurements are made with a single frequency (CW), or multiple frequencies. Proceed down the appropriate flow chart path. Proceed in this way until you get to a box that recommends either
Fast Source Control
Fast source control speeds up frequency switching speed in multiple-frequency measurements. It is only available in systems that use two Agilent 836xx series synthesized sources. This mode uses TTL signals to increment RF and LO source frequency, providing faster frequency switching speeds than are possible under 8530A control. In the fast source control configuration, the system’s computer must set up the sources with appropriate frequency settings, triggering mode, and so on. When automatic
Run Time measurement mode is engaged, the 85330A automatically increments the RF and LO source frequencies using TTL lines. More information is provided in
When the sources are controlled by a computer, the SCPI language mode must be selected. This is shown in
1-2 85330A Multiple Channel Controller
Installation
Preparing the Main Antenna Measurement System
NOTE
Figure 1-1 Flow Chart for Choosing the Correct Installation
If the receiver does not have the RECEIVER READY, as shown in
Figure 1-3 on page 1-5 , then the STOP SWEEP
may be used.
85330A Multiple Channel Controller 1-3
Installation
Preparing the Main Antenna Measurement System
Figure 1-2 85330A Installation Diagram for 8530A Source Control
1-4 85330A Multiple Channel Controller
Installation
Preparing the Main Antenna Measurement System
Figure 1-3 85330A Installation Diagram for Fast (TTL) Source Control
85330A Multiple Channel Controller 1-5
Installation
Checking Operation of the Multiple Channel Controller
Checking Operation of the Multiple Channel
Controller
NOTE
NOTE
NOTE
Loading the Driver from a Personal
Computer
Turn the multiple channel controller ON; the following screen should appear:
Select an instrument._
SYSTEM 85330A IBASIC (see note below)
IBASIC is only present if the IBASIC option is installed.
If the display shows “DIG I/O” instead of “85330A”, then the drivers are no longer loaded.
If you do not see this display, load the VXI mainframe downloadable driver files as explained in
“Loading the Driver from a Personal Computer,” next.
The 85330A contains 85330A driver files from the disk labeled 85330A
Downloadable Driver Disk. When your system was shipped, the driver files were already loaded into the non-volatile memory of the 85330A mainframe. Once loaded, it will remain when the mainframe is powered down or when the power is interrupted to the mainframe.
If you must reload the drivers, a complete set of instructions are included in the
INSTALL.TXT
file on the supplied driver disk, or perform the following instructions:
This method uses a personal computer (PC) to download the drivers over a serial cable (supplied).
The downloadable driver disk should not be set to the write-protected position or the driver files will not load properly.
Equipment Needed
The following equipment was supplied with your system:
•
Serial Cable: 24542U part number 24540-80014, 9-pin to 9-pin
•
Adapter: 1252-7577, 9-pin to 25-pin (only needed if your computer has a 25-pin serial connector)
•
Downloadable Driver Disk: p/n 85330-10016 (rev A.02.31 or higher)
1-6 85330A Multiple Channel Controller
NOTE
Installation
Checking Operation of the Multiple Channel Controller
You can use other com ports, such as com2. However, you have to edit a file called
“VXIDLD.CFG”
so the software knows you are using a different port.
This configuration file can be edited with any ASCII text editor, such as notepad. Save the changed file back to the supplied disk.
NOTE
NOTE
Agilent recommends that you make two backups of the driver disk. Make one copy to a floppy disk, and one copy to the personal computer used with the system.
Procedure
This procedure may not work on later versions of Microsoft®
1
Windows® such as Windows NT® and Windows 2000®.
1. Disconnect any GPIB cables from the mainframe. If it is easier, you can disconnect the GPIB from the back of the system controller computer.
2. Turn the VXI mainframe ON.
3. On your PC, open a DOS command prompt window.
4. Insert the supplied driver disk into drive A. (Do not write-protect the downloadable driver disk. The driver will not load if the write-protect window is open. Make sure the tab is snapped fully into the closed portion.)
5. In the DOS command prompt window, change to drive A.
6. In the DOS command prompt window, type
VXIDLD
and press [Enter] .
7. The mainframe download procedure takes approximately six or seven minutes, and the mainframe will reboot.
NOTE There are several error messages that can be ignored. These are described in the README.TXT file on the driver disk. Specifically, refer to the description of the VXIDLD.CFG file.
8. Reconnect all the GPIB cables.
9. When finished, the following should be displayed:
Select an instrument._
SYSTEM 85330A IBASIC (see note below)
NOTE IBASIC is only present if the IBASIC option is installed.
1 Microsoft, Windows, Windows NT, and Windows 2000 are U.S. registered trademarks of Microsoft Corporation.
85330A Multiple Channel Controller 1-7
Viewing or Changing the GPIB Address of the Multiple Channel
Controller
Installation
Selecting Positive or Negative-Edge Event Triggers
The factory default setting of the GPIB address is 9. To view the GPIB address:
Press [Select Instr] {SYSTEM} {GPIB} {READ} .
To change the current GPIB address:
1. Press [Select Instr] {SYSTEM} {GPIB} {SET} .
2. Enter the new address and press [Return] .
Selecting Positive or Negative-Edge Event
Triggers
CAUTION
By default, the positive-edge of the EVENT TRIG line starts the measurement. To change this so a negative-edge starts the measurement, perform the following procedure.
This device contains devices that are sensitive to static discharge. When you remove the cover of this device, observe static safety precautions:
1. Place the unit on a grounded anti-static mat.
2. Wear a grounded wrist strap. Foot straps are only acceptable if you wear one on each foot, and if you are standing on a grounded floor mat.
Refer to
1-8 85330A Multiple Channel Controller
Installation
Selecting Positive or Negative-Edge Event Triggers
Figure 1-4 Positive/Negative-Edge EVENT TRIG jumpers
1. Remove the two screws that hold the E1330B board in place.
2. Remove the four screws that hold the 85330-60002 board in place.
3. Pull out the two boards at the same time. You can do this by pulling each one out a little at a time, until they are both removed. Place the boards on an anti-static surface.
Standard positive-edge operation is set at the factory by jumpering
E9 and E10 together.
4. To select negative-edge operation, move the jumper across E9 and E8.
5. Reinstall the boards and screws.
85330A Multiple Channel Controller 1-9
Installation
Installing the Switch Control Units and Switches
Installing the Switch Control Units and Switches
Mounting the SCU and
RF Switch
If desired, you can mount the SCU using the supplied mounting screws. You must provide a mounting plate or drill holes in an existing structure before mounting an SCU or a switch. Refer to the mounting diagram in
NOTE Make sure the 85383A local control cable can reach from the multiple channel controller to the SCU. Make sure the 85384A switch drive cable is long enough to reach from the SCU to the switch.
Switch Control Unit
Configuration
Switches
Changing any of the DIP switches inside the SCU is not recommended. All switch settings are made at the factory.
In a standard system (defined below), the following settings are used:
•
SCU address is set to 0.
•
Channel numbers 1 through 4 are used to select switch positions.
A “standard system” uses one 85330A with one or two switch control units, each with a two-throw or four-throw switch module. Remember that 85330A
PORT 1 and PORT 2 are addressed independently. So:
•
If you have two SCUs, both can use the default SCU address (0).
•
You can use the default channel number assignments (1 through 4) for
both switch modules. Since each SCU is on a different port, and each port is addressed independently, there is not a channel number conflict.
1-10 85330A Multiple Channel Controller
Installation
Installing the Switch Control Units and Switches
Figure 1-5 SCU and Switch Mounting Diagram
85330A Multiple Channel Controller 1-11
Installation
Installing the Switch Control Units and Switches
1-12 85330A Multiple Channel Controller
2
In This Chapter
Description
Performance Verification
Performance Verification
•
Recommended performance verification test equipment
•
Performance verification tests
•
Verifying the multiple channel controller
•
Verifying the RF switches
This performance verification should be done once a year, or more frequently as needed. This procedure verifies that the Agilent 85330A system meets or exceeds its published specifications. Specifications are listed in
Chapter 4, “General Information.”
If traceability to a local standards organization is required, then it can be done with this procedure. One such standards organization is the United States National Institute of Standards and Technology (NIST, formerly NBS).
This verification can be performed at the measurement system’s site, or at a service bench. The verification will verify all parts of the multiple channel system: multiple channel controller, switches, and cables. This verification does not check the performance of the measurement system’s transmitter or receiver. Use the measurement system’s manual for more information on that procedure.
85330A Multiple Channel Controller 2-1
Performance Verification
Recommended
Equipment
Table 2-1 lists the equipment that is mandatory when performing the
performance verification.
Table 2-1 Required Equipment
Qty
1
1
1
1
3
1
Item
Downloadable Driver Disk, rev A.03.00
Multimeter (20 Vdc, digital)
Digital Oscilloscope (100 MHz bandwidth
1 MHz Single-shot bandwidth)
Tee adapter (BNC male to female, female)
Cable (BNC male to male 122 cm)
Network Analyzer System
3
(50 MHz to 40 GHz
4, 5
90 dB dynamic range)
Agilent Part or Model Number
1
85330-10016
2
E2377A
54501A
1250-0781
8120-1840
8722C (Option 003)
1
Plotter or Printer
6
Torque wrench (2.4/3.5 mm @ 8 in-lb)
HP 7550A+, or LaserJet
1
8710-1765
7
1. Other part numbers or model numbers may be used if they meet the minimum requirements.
2. Included with 85330A shipment.
3. System must include vector network analyzer, test port cables, and a calibration kit.
4. A 50 MHz to 26.5 GHz network analyzer may be used if the 3.5 mm adapters are used with the microwave switches.
5. If a network analyzer is used with a frequency range less than the switches, the performance verification will only be valid over the frequency range of the network analyzer.
6. Plotter or printer must be connected to the network analyzer and oscilloscope for test documentation.
7. Use this wrench for any 2.4/3.5 /SMA mm connections in this procedure.
2-2 85330A Multiple Channel Controller
85330 System
Performance Verification
Performance Verification Test
Performance Verification Test
The following verification procedure will verify the Agilent 85330 system in two parts. The first part will verify the operation of the multiple channel controller to make sure that it is controlling the switches and the receiver correctly. The second part will check the switch’s RF performance and to make sure that they are switching correctly.
Setting Up the Equipment
Connect the 85330 system to the switch control unit using the correct local control cable. This should be set up the same way that the 85330A system is used in the measurement system (Agilent 85301B/C). Do not connect the
Switch Control Units (SCU) to their switches at this time. Do not connect the 85330A to any other instruments in the measurement system. An example of a setup is shown in
Figure 2-1 . Do not turn ON the 85330A at
this time.
Figure 2-1 An Example Performance Verification Setup
85330A Multiple Channel Controller 2-3
Digital Oscilloscope
NOTE
[CHAN]: {2}
{ON}}
{2v/Div}
{Offset: 5v}
{Coupling: DC}
{Input: 1 M
Ω
}
{Probe Ratio: 1:1}
[TRIG]:
{Trig’d}
{Edge}
{Source: 1}
{Adjust: 1v}
{ } (- Edge)
[TIMEBASE]:
{2 us/Div}
{Delay: 0}
{Reference: Cntr}
[SAVE] [1]
Performance Verification
Performance Verification Test
Set up the Agilent 54503A digital oscilloscope (or any oscilloscope) as described in the following procedure, using the same settings.
The oscilloscope setup described in the following procedure will not display a trace on the oscilloscope screen until a pulse is initiated. The oscilloscope will then hold the trace until the [CLEAR DISPLAY] is pressed.
Procedure
Turn ON the oscilloscope and press the following keys on the 54503A:
[CHAN] : {1}
{ON}
{2v/Div}
{Offset: 0v}
{Coupling: DC}
{Input: 1 M
Ω
}
{Probe Ratio: 1:1}
2-4 85330A Multiple Channel Controller
Network Analyzer
Cables
Calibration
Save Setup
Performance Verification
Performance Verification Test
Turn ON the vector network analyzer. Adjust the controls for the following setup:
Measurement Display
Display: 4 Channel
Channel 1:
Channel 2:
Channel 3:
Channel 4:
Domain:
Start Frequency:
Stop Frequency:
Number of Points:
S11
S21
S12
S22
SWR
Log Mag
Log Mag
SWR
Frequency
45 MHz
40 GHz
201
RF Source Power:
Measurement:
Maximum
Continuous
Averaging: As required
Set up the rest of the measurement display for your convenience and ease of viewing.
Connect one test port cable to Port 2 of the test set. The RF switch will be connected directly to the test set Port 1. An example of this setup is shown in
Figure 2-1, “An Example Performance Verification Setup,” on page 2-3 .
Perform a full, two port calibration at the test set Port 1, and at the end of the test port cable connected to Port 2.
Save this instrument state setup in Save/Recall register 1. It will be used later in the tests. Press:
[SAVE] {1}
85330A Multiple Channel Controller 2-5
Performance Verification
Verifying the Multiple Channel Controller
Verifying the Multiple Channel Controller
Turn-On
This portion of the verification will check the 85330 multiple channel switch controller to ensure that it is operating correctly. It will also check the
Switch Control Unit of the Agilent 85331/2 to make sure that it is switching correctly. Document the test results by plotting or printing the test instrument screens as each test is performed.
Turn the multiple channel controller ON; the following screen should appear:
Select an instrument._
SYSTEM 85330A IBASIC
(see note below)
NOTE IBASIC is only present if the IBASIC option is installed.
If you see the above display, the unit has passed its turn on tests and is working properly. If you do not see this display, load the 85330A downloadable driver files as explained in the
Personal Computer” on page 1-6 .
Voltage Check
Check the voltage on the switch control unit’s OUTPUT connector. This is the connector that is used to daisy-chain the switch control units together.
The voltages are shown in
Table 2-2 . If an external power supply is used to
bias the switch control units, the supply may require some adjustment to keep the voltage within the tolerances.
Table 2-2 Switch Control Unit Voltages
Pin
E, L, V a
F, M, W, b
Voltage
+12 ±
1.8 Vdc
−12 ±
1.8 Vdc ground
2-6 85330A Multiple Channel Controller
Performance Verification
Verifying the Multiple Channel Controller
Inputs/Outputs
Figure 2-2 Switch Control Unit Output Connector Voltages
Press the following on the multiple channel controller:
[Clear Instr] [Select Instr]
You should see the following display:
Select an instrument._
SYSTEM 85330A IBASIC (see note below)
NOTE
Output Trigger Test
IBASIC is only present if the IBASIC option is installed.
This is the MAIN MENU.
The following test will determine if the rear-panel ports output the correct signals. Note that a single press on the specific {TRIGGER} key will cause a single trigger pulse. If you hold down this key, a train of trigger pulses will be outputted.
1. Connect a BNC cable between Channel 1 of the oscilloscope and the multiple channel controller rear panel BNC connector that is being tested.
2. On the oscilloscope, press:
[RECALL] [1]
3. Connect the BNC cable to the RCVR TRIG connector on the multiple channel controller, and press:
{85330A} {TRIGGER} {RCVR}
On the oscilloscope, press [CLEAR DISPLAY].
You should see a negative pulse, with an approximate width of one to three microseconds.
4. Connect the BNC cable to the SRC 1 TRIG connector on the multiple channel controller, and press:
{SRC_1}
85330A Multiple Channel Controller 2-7
Pulse Receive and
Cycle Test
Performance Verification
Verifying the Multiple Channel Controller
On the oscilloscope, press [CLEAR DISPLAY] . Set the [TIMEBASE] to {5 us/Div} .
You should see a positive pulse, with an approximate width of 10 to 14 microseconds.
5. Connect the BNC cable to the SRC 2 TRIG connector on the multiple channel controller, and press:
{SRC_2}
On the oscilloscope, press [CLEAR DISPLAY].
You should see a positive pulse, with an approximate width of 10 to 14 microseconds.
6. Remove the BNC cable from the multiple channel controller.
The following test will determine if the rear panel ports successfully sense the trigger pulses. These tests will output a train of 100 pulses.
1. Press the following on the multiple channel controller:
[Clear Instr] [Select Instr] {85330A}
2. Connect a BNC cable between the RCVR READY and RCVR TRIG connectors. Press:
[More] {TEST} {RCVR} [1] [0] [0] [Return]
If the test is successful, the RCVR menu will appear on the display. If the test fails, the following error message will appear:
-214, Trigger deadlock
3. Connect a BNC cable between the SRC1 READY and SRC1 TRIG connectors. Press:
{SRC_1} [1] [0] [0] [Return]
If the test is successful, the RCVR menu will appear on the display. If the test fails, the following error message will appear:
-214, Trigger deadlock
4. Connect a BNC cable between the SRC2 READY and SRC2 TRIG connectors. Press:
{SRC_2} [1] [0] [0] [Return]
If the test is successful, the RCVR menu will appear on the display. If the test fails, the following error message will appear:
-214, Trigger deadlock
5. Remove the BNC cable from the multiple channel controller.
2-8 85330A Multiple Channel Controller
Counter Pulse Delay
Test
Performance Verification
Verifying the Multiple Channel Controller
The following test determines if the on-board counter is operating correctly.
1. Connect BNC cables between the SRC1 TRIG, RCVR READY connectors and the oscilloscope as shown in
2. On the oscilloscope press:
[RECALL] [1]
[TRIG] {Source 2} {Adjust: 1.5v} { } (+ E dge}
[TIMEBASE] {1 us/Div} {Delay: 4 us} {Ref: Centr}
[SAVE] [2]
3. Press the following on the multiple channel controller:
[Clear Instr] [Select Instr] {85330A} {RESET} [More] {TEST} {COUNTER}
4. Press the following on the multiple channel controller:
[4] [Return]
5. The negative edge of the displayed pulse should be 4
±
1 microseconds.
To use the scope measurement feature, press: [
∆ t
∆ v] {
∆ t Marker: ON}.
Rotate the front panel knob until the vertical marker line intersects the negative edge of the pulse. Note that the Start Marker reading will be the pulse delay. See
Figure 2-4 on page 2-10 for more information.
6. On the oscilloscope press:
[TIME BASE] {1 us/Div} {Delay: 1000 us} [CLEAR DISPLAY]
7. Press the following on the multiple channel controller:
[1] [0] [0] [0] [Return]
8. The negative edge of the displayed pulse should be 1,000
±
1 microseconds.
To use the scope measurement feature, press: [
∆ t
∆ v] {
∆ t Marker: ON}.
Rotate the front panel knob until the vertical marker line intersects the negative edge of the pulse. Note that the Start Marker reading will be the pulse delay. See
Figure 2-4 for more information.
9. On the oscilloscope press:
[TIME BASE] {2 us/Div} {Delay: 15 ms} [CLEAR DISPLAY]
10. Press the following on the multiple channel controller:
[1] [5] [0] [0] [0] [Return]
11. The negative edge of the displayed pulse should be 15
± 0.
001 milliseconds.
To use the scope measurement feature, press: [
∆ t
∆ v] {
∆ t Marker: ON}.
Rotate the front panel knob until the vertical marker line intersects the
85330A Multiple Channel Controller 2-9
Performance Verification
Verifying the Multiple Channel Controller negative edge of the pulse. Note that the Start Marker reading will be the pulse delay. See
Figure 2-4 for more information.
12. Remove the BNC cables.
Figure 2-3 Counter Pulse Delay Test Setup
Figure 2-4 15 millisecond Delay Trigger Example
2-10 85330A Multiple Channel Controller
Measurement Busy
Signal and Pulse
Width Test
Performance Verification
Verifying the Multiple Channel Controller
The following test will determine if the MEAS BUSY port output pulse width is correct. It will also test the EVENT TRIG input.
1. Connect a BNC cable between the SRC1 TRIG and EVENT TRIG connectors.
2. Connect a BNC cable between the MEAS BUSY connector and the oscilloscope channel 1.
3. On the oscilloscope press:
[TIME BASE] {10 us/Div} [CLEAR DISPLAY]
4. Press the following on the multiple channel controller:
[Clear Instr] [Select Instr] {85330A} [More] {TEST} {EVENT} [1] [Return]
5. While the measurement is cycling, observe the MEAS BUSY pulse on the oscilloscope. The pulse width should be approximately 50 microseconds.
6. If the test is successful the RCVR menu will appear on the display. If the test fails, the following error message will appear:
-214, Trigger deadlock
85330A Multiple Channel Controller 2-11
Performance Verification
Verifying the Switch Control Unit
Verifying the Switch Control Unit
This test will determine if the multiple channel controller is controlling the
Switch Control Unit and that the SCU is operating correctly. If the system has move than one SCU on a single port, then check each SCU.
1. Check to make sure that the multiple channel controller is connected to each switch control unit. An example of this setup is shown in
2. Check each switch control unit. The Active light should be ON.
3. Press the following on the multiple channel controller:
[Clear Instr] [Select Instr] {85330A} {CLOSE}
4. Select {PORT 1} or {PORT 2} depending on the setup of your switch system.
If your system uses both PORT 1 and PORT 2, then perform the following tests for both ports: a.
Press:
{PORT 1} or {PORT 2} b.
Enter each switch control unit’s address and switch number and observe that unit’s lights. As each switch address is activated, the light should turn ON.
To enter a unit address and switch number, press:
[x] [y] [z] [Return] x = switch control unit’s address (normally 0) y = switch number to be closed (normally 0) z = switch number to be closed (0 = opens all switches)
For example, {PORT 1} [1] [0] [3] [Return] will close switch 3 in the switch control unit with address 1 that is connected to PORT 1. The switch control unit address can be found on the units label. To close switch 4, just press [1] [0] [4] .
c.
Close each switch on a module and insure that the light turns ON.
5. Perform the above test for each Switch Control Unit in the system.
2-12 85330A Multiple Channel Controller
Switch Setup
Performance Verification
Verifying the RF Switches
Verifying the RF Switches
This portion of the verification will check the switches to make sure that they are switching correctly. This portion will also test the RF performance of the switches.
1. Turn OFF the multiple channel controller before making any connections.
2. Connect each switch to its switch control unit. Use the supplied switch drive cable.
3. Connect the switch to the network analyzer. An example of this setup is shown in
Figure 2-5 . Note that all of the switch ports will be tested, so
make sure that there is enough room to connect all of the ports to the network analyzer.
4. Turn ON the multiple channel controller.
Figure 2-5 RF Switch Test Setup
85330A Multiple Channel Controller 2-13
Performance Verification
Verifying the RF Switches
RF Performance Tests
Recall the network analyzer setup that was saved earlier by pressing:
[RECALL] {1}
Perform each of the following tests on each input and output port of the switch. Check the results of each of the tests against the switch’s specifications shown in the Agilent 85331A/Agilent 85332A User’s Manual.
1. Connect the test port cable to the first switch port.
2. Close the switch path. This will turn the switch light ON on the switch control unit.
a.
Check the S11 (input match, ON).
b.
Check the S22 (output match, ON).
c.
Check the S21 (insertion loss, ON).
d. Check the S12 (reverse insertion loss, ON).
e.
Document the test results by plotting the display to a plotter or printer.
3. Open the switch path. This will turn the switch light OFF on the switch control unit.
a.
Check the S11 (input match, OFF).
b.
Check the S22 (output match, OFF).
c.
Check the S21 (isolation, OFF). Use averaging if required.
d. Check the S12 (reverse isolation, OFF). Use averaging if required.
e.
Document the test results by plotting the display to a plotter or printer.
4. Move the test port cable to the next switch port. Repeat all of the above until all switch ports are tested.
2-14 85330A Multiple Channel Controller
Jumpers
Verifying Remote Ports 1 and 2
Performance Verification
Verifying Remote Ports 1 and 2
Equipment Required
•
Jumper (see below)
•
Soldering iron
•
2 jumper wires
shows the jumper assembly that can be used to verify remote port
1 and remote port 2. Using Agilent part number 1251-8863, solder one wire from pin 6 to pin 8, and another wire from pin 7 to pin 9. A connector hood is recommended for the 9-pin connector, such as L-com (part number
SDC9AG) (http://www.L-com.com).
Figure 2-6 Jumper Assembly
85330A Multiple Channel Controller 2-15
Performance Verification
Verifying Remote Ports 1 and 2
Remote Port 1 and remote Port 2 Test Procedure
1. Download the 85330A drivers version A.03.00 or above.
2. When select instrument is displayed, press:
{85330A}, {More}, {TEST}, {More}
3. Connect the modified connector to REMOTE 1 on the rear panel and press:
{REM_1_2}
4. The display should read:
“85330A_144:REM1 0101 PASS, REM2 1100 FAIL”
5. Move the modified connector to REMOTE 2 on the rear panel and press:
{REM_1_2}
6. The display should read:
“85330A_144: REM1 1111 FAIL, REM2 0011 PASS”
2-16 85330A Multiple Channel Controller
Performance Verification
AUX 1 and AUX 2
AUX 1 and AUX 2
Pulse Test
You can output one or more 500
µ s pulses from AUX 1 or AUX 2 and measure them with an oscilloscope. The number of pulses is selectable. The pulses have a 50% duty cycle, and thus a total period of 1 ms. The amplitude of the signal is roughly 0 to 4 volts. The pulses are not perfect square waves.
The leading edge rises higher than 4 volts, then curves down to approximately 4 volts.
Measuring Pulses from
AUX 1 or AUX 2
1. Connect an oscilloscope to the AUX 1 or AUX.
2. Set the scope as necessary to view the waveform described above.
3. Press:
[Select Instr] {85330A} {
→
} {TEST} {
→
} {AUX 1} or { AUX 2}
4. The message TEST AUXn OUTPUT: # OF TESTS will appear.
5. Use the keyboard to enter the desired number of pulses. You can enter the number in units or in scientific notation: For example:
100, or
1E2
6. Press the [Return] key. The pulses will appear on the scope.
NOTE The 85330A will not perform any other functions during this test. If you enter a large number, such as 1E6, it will take a while to finish. You can abort the test by cycling line power.
NOTE To test AUX 2, use the same basic procedure as shown above.
85330A Multiple Channel Controller 2-17
AUX 1 and AUX 2
Output Voltage Test
When Finished with
All Tests
Performance Verification
AUX 1 and AUX 2
The following test will determine if the rear panel ports successfully output the correct DC switch drive levels.
1. On the oscilloscope press:
[RECALL] [1]
[TRIG] {AUTO}
[CLEAR DISPLAY]
2. Press the following on the multiple channel controller:
[Clear Instr] [Select Instr] {85330A}
3. Connect a BNC cable between the AUX 1 connector and channel 1 of the oscilloscope.
a.
Press:
{CLOSE} {AUX1} {0} or [f1]
The oscilloscope should show a trace of about 0 Vdc.
b.
Press:
{1} or [f2]
The oscilloscope should show a trace of about 4 Vdc.
4. Connect a BNC cable between the AUX 2 connector and channel 1 of the oscilloscope.
a.
Press:
[Clear Instr] {CLOSE} {AUX2} {0} or [f1]
The oscilloscope should show a trace of about 0 Vdc.
b.
Press:
{1} or [f2]
The oscilloscope should show a trace of about 4 Vdc.
All of the performance verification tests are now complete. Reconnect the
85330A system in the original measurement system configuration. Refer to
Chapter 1, “Installation” for more information.
2-18 85330A Multiple Channel Controller
3
Procedure
Operator’s Check
Operator’s Check
Purpose
This operator’s check verifies that the Agilent 85330A can close switches, showing that the 85330A, switch control units, and switches are working.
You can perform this check daily, or as desired. This is not a performance verification procedure (refer to
Chapter 2, “Performance Verification” for
more information).
This procedure asks you to close every switch in your standard system, and look for an appropriate signal with the measurement system.
1. Press: [Select Instr] {85330A} .
2. If the {CLOSE} softkey does not appear, press [Prev Menu] until it does.
3. Press: {CLOSE} a.
If the switch you want to close is connected to SWITCH PORT 1, press {PORT_1} .
b.
If the switch you want to close is connected to SWITCH PORT 2, press {PORT_2} .
4. Enter the switch address using the numeric keypad. In a standard system, simply enter the channel number (1, 2, 3, or 4), and press
[Return] . If you have a custom system, refer to
5. Look at the channel LEDs on the front of the switch control unit. The light for the selected channel should be ON. This shows that the SCU is responding properly.
6. Perform a measurement with your system. The measurement system should be able to measure any signal present on the selected channel.
7. Repeat these steps for each channel on each switch port.
85330A Multiple Channel Controller 3-1
Operator’s Check
3-2 85330A Multiple Channel Controller
4
In This Chapter
General Information
General Information
•
Product description
•
Required equipment
•
Supplied equipment and software
•
Agilent 85330A multiple channel controller characteristics
•
Front panel features
•
Rear panel features
•
AC power cord
Figure 4-1 85330A System Overview
85330A Multiple Channel Controller 4-1
General Information
Product Description
The Agilent 85330A multiple channel controller adds high-speed multiple-channel measurement capability to Agilent 8530A-based automated measurement systems, using high-isolation solid state microwave switch modules. The 85330A is a run time controller that orchestrates the sequencing and synchronizing of all the required functions for multiple-channel and multiple-frequency measurements, to allow very fast data acquisition speed and data throughput of the measurement system.
•
Option 908 - Rack Mount Kit Without Handles
Multiple Channel Controller rack mount kit without handles. To obtain this item after receiving the 85330A, order part number 5062-3978.
•
Option 913 - Rack Mount Kit With Handles
Multiple Channel Controller rack mount kit with handles. To obtain this item after receiving the 85330A, order part number 5062-3984.
•
Option 910 - Additional Manual
This provides an additional manual. To obtain this item after receiving the 85330A, order part number 85330-90019.
In-depth Information
Measurement Speed Advantages
The multiple channel controller, when used with the Autoranged Fast Data
Acquisition mode, provides very fast measurement speeds. Even faster measurements can be made when the RF/LO sources are controlled using the direct TTL source control capabilities of the multiple channel controller.
Frequency states can be downloaded to the Agilent 8360 series of frequency synthesizers. The multiple channel controller sends TTL triggers to the sources (in two-source systems) at the appropriate time to change their frequency. This method maximizes the frequency agility of the system by allowing the sources to switch at their fastest rate.
Triggering
The 85330A receives triggers from the positioning system, and synchronizes the data acquisition to the positioning system. It also controls the triggering of the microwave receiver, and sequencing of the multiple channel data into the receiver.
Lowering the Workload on the Computer Controller
When using 85330A as the system controller, the demands of the computer are decreased during run-time. The computer is free to collect data from the receiver and perform data manipulation, display, and storage.
4-2 85330A Multiple Channel Controller
General Information
Installing the Detachable Power Cord
Install the instrument so that the detachable power cord is readily identifiable and is easily reached by the operator. The detachable power cord is the instrument disconnecting device. It disconnects the mains circuits from the mains supply. The front panel switch is only a standby switch and is not a LINE switch. Alternatively, an externally installed switch or circuit breaker (which is readily identifiable and is easily reached by the operator) may be used as a disconnective device.
Manual Operation
Front panel softkeys allow you to:
•
View or change the 85330A’s GPIB address.
•
Close any switch in the system (select a channel).
•
Change the TTL state of AUX 1 or AUX 2.
•
View the revision of the downloaded driver.
•
Perform service functions.
Refer to
Chapter 5, “Manual Operation,” for more information.
Automated Operation
During automated operation, the 85330A can control switches in two ways:
Direct Control The 85330A can directly control switch states and issue triggers using GPIB commands.
Run Time
Mode Using GPIB commands, the 85330A can be set up for a specific measurement sequence,
then automatically execute that measurement
(run-time mode).
85330A Multiple Channel Controller 4-3
General Information
Preparing the 85330A to Control the System
Preparing the 85330A to Control the System
Special Systems
Switch Components
Configuring the 85330A is composed of the following steps:
1. Send the 85330A a series of GPIB setup commands prior to starting the run-time sequence.
2. Start the run-time sequence by sending a specific GPIB command.
3. The 85330A then waits for a positioner trigger signal to begin the sequence.
4. The 85330A repeats the sequence for the specified number of frequency points to be measured.
More detailed information on this subject is explained in
Special system configurations allow you to:
•
Daisy-chain SCUs to provide many channels with a single multiple channel controller.
•
Add remote multiple channel controllers to expand the switch tree or extend the physical distance that switches can be placed from the control room. Additional remote multiple channel controllers can be up to
2 Kilometers away from the master.
The 85330A controls the following items:
Switch control units
In standard systems, the system interface board communicates with one or two SCUs. SCUs perform the following tasks:
•
They decode binary information from the multiple channel controller to determine which switch should be closed.
•
They provide the necessary bias voltages to the switches, which causes them to switch states.
In a standard system, one SCU is connected to the multiple channel controller’s PORT 1 connector, and the other SCU is connected to PORT 2.
The separate ports provide the ability to put switches at the transmit and receive site.
4-4 85330A Multiple Channel Controller
The Downloadable
Driver
System Interface
Required Equipment
Cables
General Information
Preparing the 85330A to Control the System
PIN switch modules
The switches are broadband, high-isolation switches. Each switch is supplied with a switch control unit. Specifications and performance characteristics are provided in the Agilent 85331A and Agilent 85332A PIN
Switch User’s Manual.
The multiple channel controller cannot perform tasks until programming instructions are supplied. These instructions specify:
•
How to interact with the control boards installed in its rear panel slots.
•
The softkey menu interface and the functions performed by each softkey.
•
The GPIB programming commands that setup and control the multiple channel controller.
This driver is supplied by Agilent and is loaded into the multiple channel controller at the factory. If you must ever re-load the driver, refer to the instructions provided in
Chapter 5, “Manual Operation.”
A system interface board (85330-60002) is installed in the back of the multiple channel controller. This board contains the TTL trigger and ready lines that interface to the receiver, switch control units, and (if using Fast
Source Control) the RF and LO sources.
The following equipment is required in addition to the 85330A:
•
The cables that connect the 85330A, switch control units and switch modules.
•
One or more 85331A or 85332A PIN switch. The switches include their associated switch control unit.
85383A Local Control Cable
Provides the connection between the multiple channel controller and each
SCU. Cable length is determined at the time of order by selecting the appropriate length option.
•
Option 002: 2 meters
•
Option 005: 5 meters
•
Option 010: 10 meters
•
Option 020: 20 meters
•
Option 030: 30 meters
•
Option 040: 40 meters
•
Option 050: 50 meters
85330A Multiple Channel Controller 4-5
General Information
Preparing the 85330A to Control the System
Table 4-1 Agilent 85383 Wiring Table
1
2
D-Type
Connector Pins
5
6
3
4
B
D
9
10
7
8
11
12
13
1. NC = No Connection
P
N
J
M
H
E
L
NC
1
F
A
C
Circular
Connector Pins
22
23
20
21
24
25
18
19
16
17
D-Type
Connector Pins
14
15
V a
U
Z
W b
T
Y
S
X
K
R
Circular
Connector Pins
85383B expansion cable
Allows SCUs to be daisy-chained together to create expanded switch matrices. Only 0.5 m cables are available.
85384A Switch Driver Cable
Provides the connection between SCUs and switch modules. Cable length is determined at time of order by selecting the appropriate length option.
•
Option 001: 1 meter
•
Option 002: 2 meters
•
Option 005: 5 meters
•
Option 010: 10 meters
85385A Remote Trigger Cable
Is a twisted-pair cable which allows you to connect a remote multiple channel controller. Cable lengths up to 2 Kilometers are available.
4-6 85330A Multiple Channel Controller
PIN Switches
General Information
Preparing the 85330A to Control the System
The 85331A SP2T PIN Switch
The 85331A SP2T PIN switch consists of two modules:
•
A switch control unit (SCU)
•
A high-speed high-isolation SP2T microwave switch module
The 85332A SP4T PIN Switch
Identical to the 85331A except that the 85332A uses a SP4T switch module.
85330A Multiple Channel Controller 4-7
General Information
Supplied Equipment and Software
Supplied Equipment and Software
Table 4-2 Supplied Equipment and Software
Item
Multiple channel controller
Downloadable driver disk Rev A.03.00
1
Operating and Service Manual 1
Quantity
1
E1301A/B Getting Started Guide
E1302A User’s Manual
9-pin to 25-pin adapter
RS-232 Cable
E1330A/B Users Manual ac power cord
1
1
1
1
1
1
Part or Model Number
85330A
85330-10016
85330-90019
E1300-90004
E1300-90005
1252-7577
24542U p/n 24540-80014
E1330-90004
Depends on Destination Country
4-8 85330A Multiple Channel Controller
General Information
85330A Multiple Channel Controller Characteristics
85330A Multiple Channel Controller
Characteristics
This product is designed for use in Installation Category II and Pollution
Degree 2 per IEC 1010 and 664 respectively.
CAUTION Before switching on this instrument, make sure the line voltage selector switch is set to the voltage of the mains supply and the correct fuse is installed. Ensure the supply voltage is in the specified range.
Environmental Limits
Table 4-3 Environmental Conditions for the 85330A
Temperature:
For Operation
For Storage
Humidity:
For Operation
+
0 to
+
55
°
C (32 to 131
°
F
)
−
40 to
+
70
°
C (
−
40 to 158
°
F
)
5% to 95% at
+
40
°
C or less (non condensing)
5% to 95% at
+
65
°
C or less (non condensing)
Pressure Altitude:
For Operation or Storage
Power Requirements:
Line Voltage
Fused at
Less than 4,600 meters (15,000 feet)
115 or 230 Vac 50 to 400 Hz
3 A at 115 Vac
1.5 A at 230 Vac
Power Consumption:
85330A only
85330A
+
85331A (all off)
85330A
+
85332A (all off)
85330A
+ 2
85332As (all off)
1
1. This is the worst case for a standard system.
78 VA
88 VA
92 VA
107 VA
85330A Multiple Channel Controller 4-9
General Information
85330A Multiple Channel Controller Characteristics
Ventilation
Requirements
CAUTION When installing the product in a cabinet, the convection into and out of the product must not be restricted. The ambient temperature (outside the cabinet) must be less than the maximum operating temperature of the product by 4 °
C for every 100 watts dissipated in the cabinet. If the total power dissipated in the cabinet is greater than 800 watts, then forced convection must be used.
Dimensions
Table 4-4 Size and Dimensions
Height without feet
Height with feet
Width
Depth
Depth with terminal blocks
Net weight
177 mm
189 mm
426 mm
6.97 in
7.44 in
16.75 in
510 mm 20.1 in
569 mm 22.38 in
≈
11.8 kg
≈
26 lbs
4-10 85330A Multiple Channel Controller
Need More
Information
General Information
Front Panel Features
Front Panel Features
The front panel contains:
•
A 2-line by 40 character display.
•
A QWERTY keyboard, plus utility keys.
•
Five software-controlled display softkeys.
Refer to the following locations for more information:
•
Refer to
Chapter 5, “Manual Operation,” for more information. This
chapter also describes the tasks you can perform manually with the
85330A.
•
“Using the Front Panel” in the Agilent 75000 Series B Mainframes
User’s Manual.
85330A Multiple Channel Controller 4-11
General Information
Rear Panel Features
Rear Panel Features
Figure 4-2 85330A Rear Panel Connectors
EVENT TRIG
By default, this input accepts a positive or negative-edge TTL trigger from the positioner controller or other device. The default is positive-edge triggering. The trigger signal initiates a measurement sequence. Connect
EVENT TRIG to the positioner controller or other TTL trigger source.
You can configure the 85330A so it responds to a negative-edge TTL trigger signal. Refer to
Chapter 1, “Installation,” for instructions.
MEAS BUSY
Goes TTL HIGH when the EVENT TRIG line is asserted. This line stays
HIGH during the measurement sequence, going LOW after the measurement sequence is finished. This line is designed to tell external control logic when the measurement system is busy, and using it is optional.
RCVR TRIG
Sends a 2 to 3 µ s negative-edge pulse to the EVENT TRIGGER input of the receiver. This causes the receiver to acquire data. The number of parameters measured by a single trigger pulse is determined by how the receiver measurement controls are set up. A single parameter (radioed measurement point) is taken in the FASC, FASD, FASAD (Fast Data Acquisition) modes, and multiple parameters are measured if you are using the FASMUX mode.
4-12 85330A Multiple Channel Controller
General Information
Rear Panel Features
The multiple channel controller may send several receiver trigger pulses during the measurement sequence, depending on the instructions you sent to it before starting the run-time mode.
RCVR READY
This positive-edge signal is sent by the receiver when it finished acquiring data. This line connects to the RECEIVER READY line on the receiver.
AUX 1
Provides a user-controllable TTL line for special applications. The state of
AUX 1 must be set before entering the 85330A’s automatic run-time mode.
The state of AUX 1 is controlled with the ROUTe:CONTrol command.
AUX 2
Provides a user-controllable TTL line for special applications. The state of
AUX 2 can be set in two ways:
•
Before entering run-time mode using the ROUTe:CLOSe command.
•
During run-time using RUNTime:SWITch:SCAN command.
SRC 1 TRIG
Used in conjunction with SRC 1 READY, controls frequency switching in the RF source much faster than is possible under 8530A control.This
connects to the TRIGGER IN line of the RF source.
SRC 1 READY
Used in conjunction with SRC 1 TRIG, controls frequency switching in the
RF source much faster than is possible under 8530A control. This connects to the TRIGGER OUT line of the RF source.
SRC 2 TRIG
Used in conjunction with SRC 2 READY, controls frequency switching in the LO source much faster than is possible under 8530A control. This connects to the TRIGGER IN line of the LO source.
SRC 2 READY
Used in conjunction with SRC 2 TRIG, controls frequency switching in the
LO source much faster than is possible under 8530A control. This connects to the TRIGGER OUT line of the LO source.
REMOTE 1 and 2
These connectors are used to add remote multiple channel controllers in custom systems—they are not used with the standard instrument.
85330A Multiple Channel Controller 4-13
General Information
Rear Panel Features
SWITCH PORT 1 and 2
Connects to either of the two switch control units (SCUs). These ports provide binary data for switch control as well DC power.
AUX POWER IN
This connector is not used with the standard instrument.
4-14 85330A Multiple Channel Controller
General Information
85330A Compatibility
85330A Compatibility
Compatible Receivers
The 85330A is compatible with the Agilent 8530A microwave receiver.
Compatible
LO Sources
Table 4-5 Required Options for Agilent 836xx LO Sources
Model Number
83620A/B
Recommended
Options
008
Special Option Requirements
83621A/B
83622A/B
83623A/B
83624A/B
83630A/B
83631A/B
83640A/B
83642A
83650A/B
83651A/B
None
008
008
008
008
None
008
008
008
None
83620As with a serial prefix less than 3103A require
Option H87. If cable length between the LO source and
85309A is greater than 7 meters, contact your local
Agilent representative.
83621As with a serial prefix less than 3103A require
Option H87.
83622As with a serial prefix less than 3103A require
Option H87. If cable length between the LO source and
85309A is greater than 7 meters, contact your local
Agilent representative.
83623As with a serial prefix less than 3103A require
Option H87.
83624As with a serial prefix less than 3103A require
Option H87.
83630As with a serial prefix less than 3103A require
Option H87.
83630As with a serial prefix less than 3103A require
Option H87.
None
None
None
None
Compatible
RF Sources
Any Agilent 836xx series source is compatible.
85330A Multiple Channel Controller 4-15
General Information
85330A Compatibility
4-16 85330A Multiple Channel Controller
5
In This Chapter
Manual Operation
Manual Operation
This chapter describes how to manually operate the Agilent 85330A multiple channel controller.
•
To use the front panel
•
Softkey map
•
To view or change the 85330A’s GPIB address
•
To close any switch in the system (to select a channel)
•
To change the TTL state of AUX 1 or AUX 2
•
To view the most recent error message
•
To view the revision of the downloaded driver
•
To manually send triggers pulses
•
To perform service functions
85330A Multiple Channel Controller 5-1
About the Softkeys
Menus
Utility Keys
Manual Operation
To Use the Front Panel
To Use the Front Panel
This is an overview of main front panel features. For more information, refer to “Using the Front Panel” in Chapter 2 of the Agilent 75000 Series B
Mainframes Agilent E1300A and E1301A/B User’s Manual
The front panel contains:
•
A 2-line by 40 character display
•
A QWERTY keyboard, plus utility keys mentioned below
•
Five software-controlled display softkeys
The 85330A’s softkey menus behave differently than those in a network analyzer or microwave receiver. Each of the top-level menu items {SYSTEM}
{85330A} and {IBASIC} (IBASIC is present only if the IBASIC option is installed) are treated as if they were independent instrument personalities.
When you leave a certain menu and return to it later, you start at the exact point you left off.
For example:
1. Press [Select Instr] {85330A} and press {CLOSE} .
2. Now leave the 85330A menu by pressing [Select Instr] {SYSTEM}.
3. Return to the 85330A menu by pressing [Select Instr] {85330A} . Notice that the CLOSE function reappears, not the top level of the 85330A menu.
[Select Instr]
This presents the two different instrument personalities, SYSTEM and
85330A. When you select an instrument, you are assigning the keyboard and display to that instrument. This means that any menu operations, commands executed or recalled, error displayed, for example. pertain only to that instrument. Front panel operation of an instrument is independent from other instruments and independent of the remote operation of the instrument.
[Prev Menu]
This key presents the previous softkey menu.
[More]
When there are more than five menu choices, an arrow appears on the right side of the display. Press [More] to display the next group of choices. This key also displays the next 40 characters in a long display message.
5-2 85330A Multiple Channel Controller
Softkey Map
Manual Operation
Softkey Map
NOTE
Figure 5-1 85330A Softkey Menu Map
Refer to Chapter 3 of the Agilent 75000 Series B Mainframes Agilent
E1300A and E1301A/B User’s Manual.
85330A Multiple Channel Controller 5-3
Manual Operation
To View or Change the 85330’s GPIB Address
To View or Change the 85330’s GPIB Address
Viewing GPIB Address
The factory default setting of the GPIB address is 9.
To view the GPIB address:
Press:
[Select Instr] {SYSTEM} {GPIB} {READ}
Changing the GPIB
Address
To change the current GPIB address:
1. Press:
[Select Instr] {SYSTEM} {GPIB} {SET}
2. Enter the new address and press:
[Return]
5-4 85330A Multiple Channel Controller
More about Switch
Addresses
Manual Operation
To Close Any Switch in the System (to select a channel)
To Close Any Switch in the System
(to select a channel)
To manually close a switch (to select a channel):
1. Press:
[Select Instr] {85330A}
2. If the {CLOSE} softkey does not appear, press:
[Prev Menu] (until it does)
3. Press:
{CLOSE} a.
If the switch you want to close is connected to PORT 1, press
{PORT_1} b.
If the switch you want to close is connected to PORT 2, press
{PORT_2}
4. Enter the switch address using the numeric keypad. In a standard system, simply enter the channel number (1, 2, 3, or 4), and press [Return].
The “switch address” is a concatenation of the Switch Control Unit (SCU) address (set to 0 at the factory) with the channel number (in “standard” systems this number is 1, 2, 3, or 4).
If you just enter the channel number (1, 2, 3, or 4), the multiple channel controller will assume that the SCU address is still at the factory default (0).
Changing SCU address requires DIP switch changes inside the SCU, and is not necessary in standard systems. To select switch 1 (channel 1), just press
[1] [Return] .
In custom systems with many switches, a different SCU address might be used in part of the switch tree. Here are some example switch addresses for complex switch trees:
101 (SCU address 1, channel 01)
212 (SCU address 2, channel 12)
312 (SCU address 3, channel 12)
Notice in the first example (101) that a two digit channel number (01) was required. When the SCU address is set to 1, 2 or 3, you must enter a two-digit channel number – even for channels 1 through 9.
85330A Multiple Channel Controller 5-5
Manual Operation
To Change the TTL State of AUX 1 or AUX 2
To Change the TTL State of AUX 1 or AUX 2
To set AUX 1 or AUX 2 TTL state:
1. Press:
[Select Instr] {85330A}
2. If the {CLOSE} softkey does not appear, press [Prev Menu] until it does.
3. Press:
{CLOSE}
4. Press:
{AUX_1} or {AUX_2}
5. Press {0 } for TTL LOW or {1} for TTL HIGH.
To View the Most Recent Error Message
1. To view the most recent error message, press:
[Select Instr] {85330A}
2. If the { ERROR?} softkey does not appear, press
[Prev Menu] (until it does)
3. Press: {ERROR?}
To View the Revision of the Downloaded Driver
1. To view the revision of the downloaded driver, press:
[Select Instr] {85330A}
2. If the {REV?} softkey does not appear, press
[Prev Menu] (until it does)
3. Press: {REV?}
4. Press the [
→
] key to view the entire revision message.
5-6 85330A Multiple Channel Controller
Manual Operation
To View Custom Option Number (If Applicable)
To View Custom Option Number (If Applicable)
Some 85330As are equipped with custom driver s as required by the customer. Pressing:
[Select Instr ] then [More] the display will read:
Rev Opt?
Test.
Click on Opt?
This presents the custom option number (if any) for the driver.
To Manually Send Trigger Pulses
To manually issue a trigger to the receiver (EVENT TRIGGER), RF or LO source (TRIGGER IN):
1. Press:
[Select Instr] {85330A}
2. If the {TRIGGER} softkey does not appear, press
[Prev Menu] (until it does)
3. Press {TRIGGER} , followed by:
{RCVR} to send a trigger to the receiver.
{SRC_1} to send a trigger to the RF source.
{SRC_2} to send a trigger to the LO source.
To Perform Service Functions
Service functions are located under the {85330) {
→
} {TEST} softkey menu. They are not described in this chapter. Refer to
“Verifying the Multiple Channel
Controller” on page 2-6 for more information.
85330A Multiple Channel Controller 5-7
Manual Operation
To View Custom Option Number (If Applicable)
5-8 85330A Multiple Channel Controller
Programming
6
Programming
In This Chapter
GPIB Addresses
Long and Short
Command Syntax
This chapter provides a general programing of the operation for the Agilent
85330A and a detailed description of the programming codes. Several scenarios and examples are given.
•
GPIB addresses
•
Definition of terms
•
To choose a measurement configuration
•
To use Direct control
•
To use run-time control mode
•
Programming examples
Using GPIB commands, the 85330A can be set up prior to run-time followed by an GPIB command to pass run-time control to the 85330A. This is called
run-time control mode. The 85330A can also directly control switch states and issue triggers using GPIB commands. This is called direct control.
BASIC is used for all examples. To address the 85330A, a secondary GPIB address is needed. In most cases the complete GPIB address would be
70918:
•
“7” refers to the select code of the GPIB address.
•
“09” is the GPIB address of the 85330A multiple channel controller.
•
“18” is the secondary address of the E1330A/B DIO card. This is a board that is inside the multiple channel controller.
The GPIB commands have a long and short form. The upper-case characters represent the short form and the complete set of characters represent the long form. Example, ROUTe:CLOSe is the complete or long from of the GPIB command while the abbreviated or short form is ROUT:CLOS.
85330A Multiple Channel Controller 6-1
Programming
Definition of Terms
NOTE
NOTE
Please review the following terms before reading information in this chapter.
SCU address
At the factory, each Switch Control Unit is assigned an address called an
SCU address. When commands are sent out port 1 or port 2, they only affect
SCUs with the specified SCU address. SCU addresses are set using DIP switches inside the SCU, and can be set to 0, 1, 2, or 3. In a standard system, the factory default setting is 0. For custom-designed systems, refer to the documentation that came with that system for SCU address numbers.
Daisy-chained SCUs may use the same SCU address.
Channel
Each switch module has either two or four possible switch positions, or channels. If you purchased a switching system designed by Agilent, you also have received a manual that applies specifically to that switch tree. That document shows the channel numbers for each switch. If you have purchased a “standard” system, then channels 1 through 4 are the factory default channel numbers. (Channels 3 and 4 only apply to four-throw switches.)
Ports 1 and 2 are addressed independently. Because of this, there are no addressing conflicts when using two SCUs—even if they use the same SCU address and channel numbers.
Switch address
This is the complete software address for a specific switch. It is simply a concatenation of the SCU address (0, 1, 2, or 3) with the channel number
(usually 1, 2, 3, or 4, but possibly a number up to 64 in custom systems).
Examples:
@103 = SCU address 1 and channel 3 selected.
@2 = SCU address is 0 (and need not be specified), and channel 2 is selected.
@232 = SCU address is 2 and channel 32 is selected (custom systems only).
The port number (1 or 2) is specified separately, as is explained later in this chapter.
6-2 85330A Multiple Channel Controller
To Choose a Measurement Configuration
To Choose a Measurement Configuration
Programming
The measurement configuration you use depends on the type of measurement (CW or multiple-frequency) and the type of system
(one-source or two-source system). One-source systems use the Agilent
8511A/B frequency converter, two-source systems use the Agilent 85309A frequency converter.
Refer to
How to Use the Figure
Follow the flow chart from the top. Determine if your measurements are made with a single frequency (CW) or multiple frequencies. Proceed down the appropriate flow chart path. Proceed in this way until you get to a box that mentions one of the following headings:
•
CW Measurement Configuration
•
Single Source Multiple-Frequency Configuration
•
8530A Control of Sources
•
Fast Source Control
Proceed to the section indicated to read about that specific configuration.
Figure 6-1 Flow Chart for Finding the Correct Configuration
85330A Multiple Channel Controller 6-3
Programming
CW Measurement Configuration
Description
To Use this
Configuration
CW Measurement Configuration
In single-frequency measurements, the Fast Source Control mode is not used. The RF source (and LO source, if used) can either be controlled by:
•
The 8530A (set the sources to Analyzer Language mode), or...
•
The system computer (set the sources to SCPI Language mode).
Refer to the programming
The proper setup is shown in
Figure 1-2 on page 1-4 . Use the 8530A Fast
Autoranging Data Mode (GPIB command: FASAD ), explained in Chapter 8 of the Agilent 8530A User’s Guide.
6-4 85330A Multiple Channel Controller
Description
NOTE
To Use this
Configuration
Programming
Single Source Multiple-Frequency Configuration
Single Source Multiple-Frequency Configuration
In single-source (8511A/B based) systems, the Fast Source Control mode is
not available. The RF source is controlled by the 8530A (Analyzer
Language mode). The proper setup is shown in
The Fast Data Acquisition modes of the 8530A cannot be used with this type of measurement. Instead, the multiple parameter display of the 8530A is used to measure each switch input.
Refer to the programming
When using the multiple parameter display feature, the minimum switch settling time (RUNT:SWIT:DEL) is 50 µ s. Using shorter settling times in multiple parameter display mode can cause measurement problems
Here is an overview of how measurements are made in this configuration.
Remember, GPIB commands must be immediately followed by a semicolon when entered into an actual program. For example NUMEB1;.
8530A settings
•
Select multiple parameter display mode on the 8530A. The number of parameters selected should equal the number of test signals you are measuring. For example, assume you have a two-throw receive switch connected to two test signals. In this case, program the 8530A for two parameter display GPIB command TWOP.
This is the equivalent of pressing [DISPLAY] {DISPLAY MODE} {TWO PARAMETER}.
•
Set each parameter to measure the same input ratio. For example, set them all to measure b1/a1. The numerator and the denominator are defined below:
❍
❍
The numerator is the input port (of the frequency downconverter) that is connected to the common port of the receive switch. Set this using the GPIB NUMEB1, NUMEB2, NUMEA1, or NUMEA2 command. This is equivalent to pressing PARAMETER {MENU} {REDEFINE PARAMETERS}
{NUMERATOR}, then {NUMERATOR: b1}, {NUMERATOR: b2}, {NUMERATOR: a1}, or
{NUMERATOR: a2} .
The denominator is the input port that is connected to the reference signal. Use the DENOA1, DENOA2 , or DENOB1 command. This is equivalent to pressing PARAMETER {MENU} {REDEFINE PARAMETERS}
{DENOMINATOR} , then {DENOM.: a1}, {DENOM.: a2} , or {DENOM.: b1}.
85330A Multiple Channel Controller 6-5
Programming
Single Source Multiple-Frequency Configuration
This setup allows the 8530A to measure each receive switch input in sequence. Each one is measured as a separate parameter, which you can read using the system computer. Refer to the GPIB Programming chapter of the
Agilent 8530A Operating and Programming Manual for detailed information.
•
Select external triggering with TRGEXT . This is equivalent to pressing
STIMULUS {MENU} {MORE} {TRIGGER MODE} {TRIG SRC EXTERNAL} . This command is described in the Stimulus chapter of the Agilent 8530A
Operating and Programming Manual.
•
Set the 8530A so it waits for a trigger before measuring each parameter.
You can do this by issuing PAR1TON, PAR2TON, PAR3TON, and PAR4TON . This is equivalent to pressing STIMULUS {MENU} {MORE} {TRIGGER MODE} , then ensuring that {PARAM 1}, {PARAM 2}, {PARAM 3} , and {PARAM 4} are activated
(underlined). These commands are described in the Stimulus chapter of the Agilent 8530A Operating and Programming Manual.
You only have to send the PARTON commands that relate to the parameters
that are actually being measured. For example, if you are only measuring
Parameter 1 and Parameter 2, PAR1TON and PAR2TON are the only two commands that must be executed.
NOTE You can issue all four of these commands even if you are measuring only two or three parameters. The extra commands will simply be ignored.
85330A settings
•
When the source is under 8530A control, the multiple channel controller must be set to the IMMediate triggering mode:
RUNT:SOUR:SOURCE1:TRIG IMM;
•
Use GPIB address 19 for the RF source.
6-6 85330A Multiple Channel Controller
Description
To Use this
Configuration
Programming
Dual Source Multiple-Frequency Measurements
Dual Source Multiple-Frequency Measurements
When you are using multiple-frequency measurements with an 85309A frequency converter, you can choose how the sources are controlled:
•
You can allow the 8530A to control source frequency switching, or...
•
You can use the Fast Source Control configuration, where source frequency switching is controlled by the multiple channel controller.
8530A Control of Sources
If you choose to control source frequency switching with the 8530A (and you are using the dual source multiple-frequency configuration), you cannot use the Fast Data Acquisition modes of the receiver. Refer to the programming
Operation in this mode is nearly identical to that described in
Multiple-Frequency Configuration” on page 6-5 . When the sources are
under 8530A control, the multiple channel controller must be set to the
IMMediate triggering mode:
RUNT:SOUR:SOURCE1:TRIG IMM;
RUNT:SOUR:SOURCE2:TRIG IMM;
Use GPIB address 19 for the RF source, and 18 for the LO source.
85330A Multiple Channel Controller 6-7
Programming
Fast Source Control
Description
To Use this
Configuration
6-8
Fast Source Control
Fast source control speeds up frequency switching speed in multiple-frequency measurements. It is only available in 85309A-based systems. This mode uses TTL signals to increment RF and LO source frequency, providing faster frequency switching speeds than are possible under 8530A control.
Refer to the programming
In the fast source control configuration, the system’s computer must set up the sources with appropriate frequency settings, triggering mode, and so on.
When automatic run-time measurement mode is engaged, the 85330A automatically increments the RF and LO source frequencies using TTL lines. When being controlled by a computer, the SCPI language mode must be selected. This is shown in
Fast Data Acquisition can be used in this configuration. Use the 8530A Fast
Autoranging Data Mode (GPIB command: FASAD ), as explained in Chapter 8 of the Agilent 8530A User’s Guide.
8530A settings
In the 8530A Local menu, the addresses for Source 1 and Source 2 must be set to 31. This tells the 8530A that it cannot communicate with the sources.
85330A settings
Since the 8530A does not control the sources, set the multiple channel controller to TTL triggering mode:
RUNT:SOUR:SOURCE1:TRIG TTL;
RUNT:SOUR:SOURCE2:TRIG TTL;
Source settings
•
Use Frequency List or Step mode.
•
Sweep Point Trigger must be set to EXT:
SWE:TRIG:SOUR EXT;
•
Start Sweep Trigger must be set to AUTO:
TRIG:SOUR IMM;
The Sweep Point Trigger and Start Sweep Trigger settings allow external triggers from the 85330A to trigger the sources.
85330A Multiple Channel Controller
Programming
To Use Direct Control
To Use Direct Control
Selecting a Channel
Direct control is where the host computer issues GPIB commands and the
85330A executes them immediately. For example, the ROUTe:CLOSe
(port number) (switch address) command causes the 85330A to immediately change switch states.
Here are examples of how to select a channel.
Example 1, for a standard system
OUTPUT 70918; “ROUT:CLOS 1,(@2);”
Switch port 1, default SCU address (0), channel 2 selected.
In this example, the BASIC OUTPUT command is used to output a command to the 85330A. The command, ROUT:CLOS 1,(@2); is sent to GPIB address
70918 (the 85330A). This command string would:
•
Activate switch port 1.
•
Address the SCU (which is set at the factory to SCU address 0). Since the default address is being used, the SCU address is not required, and is not specified in the command.
•
Select channel 2.
Example 2, for a typical custom system
OUTPUT 70918; “ROUT:CLOS 2,(@110);”
Switch port 2, SCU address 1, channel 10
The command ROUT:CLOS 2,(@110); is sent to GPIB address 70918 (the
85330A). This command string would:
•
Activate switch port 2.
•
Address any SCU, or SCUs, at SCU address 1.
•
Select channel 10. “110” is the switch address and is defined as the concatenation of the SCU address and the channel number.
85330A Multiple Channel Controller 6-9
Programming
To Use Direct Control
NOTE
6-10
Other examples:
OUTPUT 70918;”ROUT:CLOS 2,(@103);”
Switch Port 2, SCU address 1, channel 3.
OUTPUT 70918;”ROUT:CLOS 1,(@2);”
Switch Port 1, SCU address 0, channel 2.
OUTPUT 70918,”ROUT:CLOS 1,(@132);”
Switch Port 1, SCU address 1, channel 32.
Sending multiple switch addresses is possible. In the following example:
•
An example is provided for standard systems (SCU address 0).
•
An example is provided for a typical custom system, with an SCU address of 1.
Both examples select channel 1, 2 and 3 in sequence.
Because the switches are SP2Ts or SP4Ts, when a channel on a module is closed, all other channels on that module are open. For example, when 1 is closed, 2, 3 and 4 are open; when 2 is closed, 1, 3, and 4 are open.
OUTPUT 70918;”ROUT:CLOS 1,(@1,2,3);” example for standard systems
OUTPUT 70918;”ROUT:CLOS 1,(@101,102,103);”
example for custom systems
Another method of executing the above command is
OUTPUT 70918;”ROUT:CLOS 1,(@1:3);” example for standard systems
OUTPUT 70918;”ROUT:CLOS 1,(@101:103);” example for custom systems
The colon : represents 1 through 3 (or 101 through 103).
To set a delay between the closing of each switch state, the ROUTe:DELAy command is used. The input parameter is time in micro-seconds.
10 OUTPUT 70918;”*RST;”
Reset the 85330A.
20 OUTPUT 70918;”ROUT:DELA 10000;”
Set the time between switch states in micro-seconds.
30 OUTPUT 70918;”ROUT:CLOS 1,(@101:104);”
Close switch state 101 through 104.
85330A Multiple Channel Controller
To Use Direct Control
In this example:
•
The 85330A is reset using the *RST command.
•
A delay between switch states is specified.
•
Channels 101, 102, 103 and 104 are selected in sequence.
Programming
85330A Multiple Channel Controller 6-11
Programming
To Use Run-Time Control Mode
To Use Run-Time Control Mode
Setup of the
85330A Multiple
Channel Controller
The setup for run-time operation includes setting:
•
The event triggering method
•
The number of frequency points
•
The number of angular increments
•
List of switch states
•
Switch settling time
•
TTL trigger and ready timeouts
•
Using more than one controller
Once the 85330A is set up, send the RUNT:INIT:IMM command to begin run-time operation.
Figure 6-2 on page 6-16 is a flow chart that illustrates the
run-time measurement sequence. Commands are described in
“Remote Programming Command Reference.”
Event Triggering
During run-time operation, the 85330A may use two different types of event triggering, TTL or IMM. Most angle scan measurements will be set up for
TTL triggering, while TTL triggering can be suppressed for a frequency response measurement, typically at a single angle. Also, this IMM mode combined with the *OPC?
command is useful for determining timing information of a multiple-frequency, multi-parameter measurement.
Applicable command: RUNTime:EVENte:TRIGger
Number of Frequency
Points
The 85330A does not require a start, stop, or frequency step size. In fact, it does not require any frequency values. It only needs to know the number of frequency points so it can issue the correct number of triggers.
Applicable command: RUNTime:SOURce:COUNt
Number of Angular
Increments (Events)
The 85330A does not require any angular values. It only requires the number of angular increments so it can issue the correct number of triggers.
Applicable command: RUNTime:EVENt:COUNt
List of Switch States
One must set up the list of channel addresses for the measurement. For each event trigger received by the 85330A, each channel address entry will be asserted and a subsequent trigger issued to begin a measurement of each data point.
Applicable command: RUNTime:SWITch:SCAN
6-12 85330A Multiple Channel Controller
Switch Settling Time
NOTE
TTL Trigger and
Ready Timeouts
Programming
To Use Run-Time Control Mode
You must specify switch settling time before starting run-time mode. The default setting is 2 µ s.
If your configuration requires you to use the multiple-parameter display features of the 8530A, as described in
“Single Source Multiple-Frequency
Configuration” on page 6-5 , set settling time to 50
µ s. This applies to:
•
The single source multiple-frequency configuration.
•
The dual source multiple-frequency configuration, but only when the
8530A controls the sources.
Applicable command: RUNTime:SWITch:DELay
Timeout conditions are used for:
•
Event triggering (EVENT TRIG)
•
Receiver ready (RCVR READY)
•
Source ready lines (SRC 1 READY and SRC 2 READY)
Timeouts enable the 85330A to recover from possible error conditions.
The timeout for the event trigger input has two separate timeout settings:
•
One timeout is for the first trigger being issued.
•
The other timeout is for subsequent triggers.
If the expected signal is not received before the specified time, the 85330A will exit from run-time operation and issue an error.
Applicable commands:
•
RUNTime:TIMEout:EVENt
•
RUNTime:TIMEout:RECeiver
•
RUNTime:TIMEout:SOURce
85330A Multiple Channel Controller 6-13
Programming
To Use Run-Time Control Mode
Using More than One
Controller
Starting Run-Time
Mode
Run-Time
Measurement
Sequence
More than one multiple channel controller may be used in a system.
Multiple controllers are usually used when the distance to a switch control unit exceeds the maximum length allowed. The REMOTE 1 and REMOTE 2 connectors on the rear panel allow connections to multiple controllers. See
Chapter 9, “Service” for more information on these connectors.
To set up and control the remote controller, use these commands:
•
RUNTime:CONTroller
•
RUNTime:TIMEout:REMote
•
RUNTime:SWITch:TRIGger
The remote controllers can be triggered using the commands:
•
RUNTime:SOURce:SOURCE1:TRIGger
•
RUNTime:SOURce:SOURCE2:TRIGger
Issue the RUNT:INIT:IMM command to initiate the run-time operation. This command passes the hardware control to the 85330A and allows it to accept and issue triggers.
OUTPUT 70918;"RUNT:INIT:IMM;”
Once the sequence is initiated the 85330A either:
•
Waits for an event trigger before issuing a trigger to the receiver,
OR:
•
Immediately issues a trigger to the receiver.
This is set using the RUNT:EVEN:TRIG command.
Refer to
Figure 6-2, “Run-Time Flow Chart with Programming Command
References,” on page 6-16 . The chart shows the sequence of a run-time
measurement. Programming commands applicable to each function are shown. All programming commands must be executed before run-time is initiated. Here is a description of the run-time measurement sequence:
Idle
This is the idle state of the 85330A. This also the state the unit enters if an error occurs during run-time. Run-time mode is started when RUNT:INIT:IMM is executed.
Select Switch State
The first switch state is selected for Port 1 or Port 2, as defined with the
RUNT:SWIT:SCAN command. A delay now occurs to allow the switch to settle, defined with RUNT:SWIT:DEL .
6-14 85330A Multiple Channel Controller
Programming
To Use Run-Time Control Mode
Event Trigger
If TTL triggering has been selected, the 85330A waits for an Event Trigger pulse before sending a measurement trigger to the receiver. If IMM triggering has been selected, the measurement trigger is sent to the receiver immediately. The trigger mode is selected using RUNT:EVEN:TRIG . If a timeout occurs while waiting for Event Trigger, run-time is aborted and an error message is issued. The timeout duration can be set using the RUNT:TIME:EVEN command.
Receiver Ready
The 85330A now waits for the Receiver Ready signal (from the receiver), indicating that the 8530A is ready to take another measurement. If a timeout occurs while waiting for Receiver Ready, run-time is aborted and an error message is issued. The timeout duration can be set using the RUNT:TIME:REC command.
Switch List Loop
If all switch settings defined in RUNT:SWIT:SCAN have not been measured, the next switch state is asserted and the settling time delay occurs. Another measurement trigger is sent to the receiver, and the 85330A waits for
Receiver Ready again. This loop continues until all defined switch states have been measured.
85330A Multiple Channel Controller 6-15
Programming
To Use Run-Time Control Mode
Figure 6-2 Run-Time Flow Chart with Programming Command References
6-16 85330A Multiple Channel Controller
Programming
To Use Run-Time Control Mode
Frequency Loop
After all switch states have been measured at the first frequency, the measurements can now be repeated at the next frequency. Here are the steps that occur during the frequency change:
•
The first switch state is asserted once more, and the settling time delay occurs.
•
If source 1 triggering is set to TTL (applicable for fast source control mode), a frequency-incrementing trigger is sent to source 1, and the
85330A waits for the TTL Ready signal before continuing. If a timeout occurs while waiting for TTL Ready, run-time is aborted and an error message is issued. The timeout duration can be set using the
RUNT:TIME:SOUR command. When TTL Ready is received, the 85330A checks the triggering mode of source 2.
If source 1 triggering is set to IMM (applicable for measurements where the sources are controlled by the 8530A), the 85330A immediately checks the triggering mode of source 2.
•
If source 2 triggering is set to TTL (applicable for fast source control mode), a frequency-incrementing trigger is sent to source 2, and the
85330A waits for the TTL Ready signal before continuing. If a timeout occurs while waiting for TTL Ready, run-time is aborted and an error message is issued. The timeout duration can be set using the 85330A
RUNT:TIME:SOUR command. When TTL Ready is received, the 85330A re-enters the Switch List Loop so all switch states will be measured at the new frequency.
If source 2 triggering is set to IMM (applicable to measurements where the sources are controlled by the 8530A), the 85330A immediately re-enters the Switch List Loop so all switch states will be measured at the new frequency.
Event Loop
Once all switch states have been measured at all frequencies, the next
“event” can be measured. This would be the next angle in an antenna measurement system. Stated generically, this is a full repetition of measurements at all switch states and frequencies for the next “event.” An
“event” being whatever has occurred that caused another Event Trigger signal. The number of events in the measurement is defined using the
RUNT:EVEN:COUN command.
The sequence now loops back to START EVENT, which is at the beginning of the event loop. The event loop repeats, measuring all switch states at each frequency until the number of event loops is completed. When finished, the
85330A exits run-time mode and goes into the idle state.
85330A Multiple Channel Controller 6-17
Programming
To Use Run-Time Control Mode
Run-Time
Measurement
Sequence for Multiple
Controllers
The run-time measurement sequence for multiple controllers is similar to a single controller shown earlier. See
“Starting Run-Time Mode” on page 6-14
for more information on this sequence. The sequence for multiple controllers has additional steps to allow communications between the controllers. Refer to
for the actual run-time measurement sequence.
Using IMM vs. TTL
Trigger for Source 1
Refer to “Source 1 IMM, TTL or REM1 trigger diamond in
When using multi frequencies:
•
The RF Source controlled by the master 85330A should use the TTL trigger.
•
The other RF Source (not controlled by the master 85330A) should use the IMM trigger.
6-18 85330A Multiple Channel Controller
To Use Run-Time Control Mode
Programming
Figure 6-3 Run-Time Flow Chart for Multiple Controller, Control Mode controlling
REMote1
85330A Multiple Channel Controller 6-19
Programming
To Use Run-Time Control Mode
Figure 6-4 Run-Time Flow Chart for Multiple Controller, Remote Mode being controlled by CONToller
6-20 85330A Multiple Channel Controller
Programming Examples
Programming Examples
Example 1
Example 1 is applicable to CW measurements.
1001 !
1002 ! RE-SAVE “EX1”
1003 !
1004 Example_1:!
1005 !
1006 ! This example shows how to make single-frequency, multi-channel
1007 ! measurements using the HP 85330A and the FAST DATA modes of the HP 8530A
1008 ! Microwave Receiver.
1009 !
1010 ! It uses the HP BASIC/WS TRANSFER command to read data from the receiver
1011 ! The HP BASIC command ENTER may also be used.
1012 !
1013 INTEGER Data_f1(1:32000,0:2) BUFFER ! DATA FROM RECEIVER IN FORMAT FORM1.
1014 DIM Err_str$[128]
1015 !
1016 Build_table:!
1017 !
1018 ALLOCATE REAL Exp_tbl(0:255)
1019 !
1020 ! Build the FORM1 to FORM3 coversion table. During the FAST DATA
1021 ! aquisition from the HP 8530A data translation is need to conver the
1022 ! 6 bytes read from the receiver to a data point consiting of a
1023 ! real and imaginary pair.
1024 !
1025 Exp_tbl(0)=2^(-15)
1026 FOR N=0 TO 126
1027 Exp_tbl(N+1)=Exp_tbl(N)+Exp_tbl(N)
1028 NEXT N
1029 Exp_tbl(128)=2^(-143)
1030 FOR N=128 TO 254
1031 Exp_tbl(N+1)=Exp_tbl(N)+Exp_tbl(N)
1032 NEXT N
1033 !
1034 Set_vars:!
1035 !
1036 ! Set variables
1037 !
1038 Scu_addr=0 ! SCU address
85330A Multiple Channel Controller
Programming
6-21
Programming
Programming Examples
1039 Chan_start=1 ! First Channel
1040 Chan_stop=4 ! Last Channel
1041 Chan_pts=(Chan_stop-Chan_start)+1 ! Number of channels
1042 Switch_start=Scu_addr*100+Chan_start ! Starting SWITCH ADDRESS
1043 Switch_stop=Scu_addr*100+Chan_stop ! Ending SWITCH ADDRESS
1044 !
1045 Angle_start=-90
1046 Angle_stop=90
1047 Angle_incr=10
1048 Angle_pts=((Angle_stop-Angle_start)/Angle_incr)+1
1049 !
1050 Freq_cw=2 ! GHz
1051 !
1052 Rec_averages=1
1053 !
1054 Points=Angle_pts*Chan_pts ! Total points to be taken.
1055 !
1056 REDIM Data_f1(1:Points,0:2) ! Re-dimension array to the number of points.
1057 ALLOCATE Data_f3(1:Points,1:2) ! Converted data in FORM3 (REAL AND IMAGINARY
1058 ! ! PAIRS).
1059 !
1060 ! Set HP-IB addresses
1061 !
1062 ASSIGN @Rec TO 716 ! ASSIGN 8530A HP-IB.
1063 ASSIGN @Rec_data TO 716;FORMAT OFF ! ASSIGN 8530A DATA HP-IB.
1064 ASSIGN @Hp85330a TO 70918 ! ASSIGN 85330A HP-IB
1065 ASSIGN @Buffer TO BUFFER Data_f1(*) ! ASSIGN input BUFFER for TRANFER
1066 ! ! statement.
1067 Set_receiver:!
1068 !
1069 OUTPUT @Rec;”FREQ;” ! Set to frequency domain
1070 OUTPUT @Rec;”SINC;” ! Set to single channel
1071 OUTPUT @Rec;”SINP;” ! Set to single point
1072 OUTPUT @Rec;”CENT “;Freq_cw;”GZ;” ! Set to single point
1073 OUTPUT @Rec;”PARA1;” ! select b1/a1 ratio
1074 !
1075 IF Rec_averages>1 THEN
1076 OUTPUT @Rec;”AVERON”;Rec_averages;”;” ! Turn averaging on.
1077 ELSE
1078 OUTPUT @Rec;”AVEROFF;” ! Turn averaging off.
1079 END IF
1080 !
1081 !
1082 Set_85330a:!
1083 !
6-22 85330A Multiple Channel Controller
Programming Examples
1084 OUTPUT @Hp85330a;”*RST;” ! Reset
1085 OUTPUT @Hp85330a;”RUNT:EVEN:TRIG TTL;” ! Set the triggering.
1086 OUTPUT @Hp85330a;”RUNT:EVEN:COUN “;Angle_pts;”;” ! Angle increments
1087 !
1088 OUTPUT @Hp85330a;”RUNT:TIME:EVEN 0,15000000;” ! timeout 1st point: 15 sec.
1089 OUTPUT @Hp85330a;”RUNT:TIME:EVEN 1,5000000;” ! timeout 2nd - last: 5 sec.
1090 OUTPUT @Hp85330a;”RUNT:TIME:REC 1000000;” ! timeout receiver: 1 sec.
1091 !
1092 OUTPUT @Hp85330a;”RUNT:SWIT:DEL 2;” ! Switch settling is 2 uS.
1093 OUTPUT @Hp85330a;”RUNT:SWIT:SCAN 1,(@”;Switch_start;”:”;Switch_stop;”);”
1094 !
1095 OUTPUT @Hp85330a;”RUNT:SOUR:COUN 1;” ! Frequency points = 1 for CW
1096 OUTPUT @Hp85330a;”RUNT:SOUR:SOURCE1:TRIG IMM;” ! No External triggering.
1097 OUTPUT @Hp85330a;”RUNT:SOUR:SOURCE2:TRIG IMM;” ! No External triggering.
1098 !
1099 OUTPUT @Hp85330a;”SYST:ERR?;” ! Check error status
1100 ENTER @Hp85330a;Err_num,Err_str$ !
1101 !
1102 Set_positioner:!
1103 !
1104 ! Set positioner to start angle.
1105 ! Set velocity, acceleration.
1106 ! Set start, stop and increment angles.
1107 !
1108 Start_meas:!
1109 !
1110 ! Set the HP 8530A in FAST AUTO-RANGING data mode.
1111 !
1112 OUTPUT @Rec;”FASAD;” ! SET THE RECEIVER TO FAST DATA w/ AUTO-RANGE.
1113 REPEAT ! WAIT UNTIL THE RECEIVER IS READY TO
1114 WAIT .001 ! TO TAKE DATA.
1115 UNTIL BIT(SPOLL(@Rec),2) !
1116 TRIGGER @Rec ! ISSUE HPIB TRIGGER TO BEGIN FAST DATA MODE.
1117 !
1118 ! Set the HP 85330A to intitiate the run time control.
1119 !
1120 OUTPUT @Hp85330a;”RUNT:INIT:IMM;” ! Initiate the HP 85330A run time mode.
1121 !
1122 ! Set the positioner to take an angle scan.
1123 !
1124 REM Start the positioner.
1125 !
1126 ! This starts the data tranfer from the receiver to the computer. When
1127 ! a trigger is issued to the receiver the data is placed into the receiver’s
1128 ! buffer and then read from the reciever using the following TRANSFER
Programming
85330A Multiple Channel Controller 6-23
Programming
Programming Examples
1129 ! statement.
1130 !
1131 TRANSFER @Rec TO @Buffer;RECORDS Points,EOR (COUNT 6)
1132 !
1133 N=1 ! N IS THE CURRENT POINT.
1134 REPEAT
1135 !
1136 ! The TRANFER statement is a background process that allows the
1137 ! computer BUFFER to be filled while the other commands are executed.
1138 ! Therefore, other code (i.e. drawing data to the display data can go
1139 ! here without hindering the measurement process.
1140 !
1141 ! The ENTER statement can also be used to read part or all of the trace
1142 ! instead of using the TRANFER statement.
1143 !
1144 ! Remember that in FORM 1 data, which the HP 8530A uses in the FAST DATA
1145 ! modes each data point is 6 bytes. The 6 bytes must be converted to
1146 ! a real and imaginary pair.
1147 !
1148 ! --
1149 !
1150 STATUS @Buffer,4;R4 ! Check the number of bytes in the buffer
1151 IF R4>=6*N THEN ! Is there another point (6 bytes) in the buffer?
1152 !
1153 ! If yes THEN converte the data from FORM 1.
1154 !
1155 Exp=Exp_tbl(BINAND(Data_f1(N,2),255))! CONVERT FORM1 TO FORM3.
1156 Data_f3(N,1)=Data_f1(N,1)*Exp ! REAL DATA.
1157 Data_f3(N,2)=Data_f1(N,0)*Exp ! IMAGINARY DATA.
1158 N=N+1
1159 END IF
1160 !
1161 UNTIL N>Points
1162 !
1163 CONTROL @Buffer,8;0 ! TERMINATE TRANSFER
1164 OUTPUT @Rec;”SINP;” ! TAKE RECEIVER OUT OF FAST-CW MODE
1165 END
6-24 85330A Multiple Channel Controller
Programming
Programming Examples
Example 2
Example 2 applies to measurements where the sources are controlled by the
8530A
1001 !
1002 ! RE-SAVE “EX2”
1003 !
1004 Example_2:!
1005 !
1006 ! This example shows how to use the HP 85330A and HP 8530A’s Multi-parameter
1007 ! Display mode. This is used for multi-frequency measurements when the
1008 ! microwave sources are under HP 8530A HP-IB control.
1009 !
1010 ASSIGN @Rec TO 716 ! ASSIGN 8530A HP-IB.
1011 ASSIGN @Rec_data TO 716;FORMAT OFF ! ASSIGN 8530A DATA HP-IB.
1012 ASSIGN @Hp85330a TO 70918 ! Assign 85330A HP-IB
1013 !
1014 DIM Outstr$[128]
1015 DIM Err_str$[128]
1016 !
1017 Scu_addr=0 ! SCU address
1018 Chan_start=1 ! First Channel
1019 Chan_stop=4 ! Last Channel
1020 Chan_pts=(Chan_stop-Chan_start)+1 ! Number of channels
1021 Switch_start=Scu_addr*100+Chan_start ! Starting SWITCH ADDRESS
1022 Switch_stop=Scu_addr*100+Chan_stop ! STOPPING SWITCH ADDRESS
1023 !
1024 Angle_start=-90
1025 Angle_stop=90
1026 Angle_incr=10
1027 Angle_pts=((Angle_stop-Angle_start)/Angle_incr)+1
1028 !
1029 Freq_start=2
1030 Freq_stop=20
1031 Freq_pts=5
1032 !
1033 Rec_averages=1
1034 !
1035 Set_receiver: !
1036 !
1037 INTEGER Preamble,Data_bytes
1038 ALLOCATE REAL Data_freq(1:Freq_pts,1:2)
1039 !
1040 OUTPUT @Rec;”FREQ;” ! FREQUENCY DOMAIN.
1041 OUTPUT @Rec;”EDITLIST;CLEL;SADD;” ! Edit FREQ LIST.
1042 OUTPUT @Rec;”STAR”;Freq_start;” GHZ;STOP”;Freq_stop;”GHZ;”! Set Start, stop.
1043 OUTPUT @Rec;”POIN”;Freq_pts;”;SDON;EDITDONE;” ! Set points.
85330A Multiple Channel Controller 6-25
Programming
Programming Examples
1044 OUTPUT @Rec;”LISFREQ;” ! Turn on FREQ LIST.
1045 !
1046 IF Rec_averages>1 THEN
1047 OUTPUT @Rec;”AVERON”;Rec_averages;”;” ! Turn averaging on.
1048 ELSE
1049 OUTPUT @Rec;”AVEROFF;” ! Turn averaging off.
1050 END IF
1051 !
1052 ! MULTI-PARAMETER display only uses trigger if parameter is active.
1053 !
1054 OUTPUT @Rec;”STITOFF;”! STIMULUS TRIGGER OFF
1055 OUTPUT @Rec;”PAR1TON;”! PARAMETER 1 TRIGGER ON
1056 OUTPUT @Rec;”PAR2TON;”! PARAMETER 2 TRIGGER ON
1057 OUTPUT @Rec;”PAR3TON;”! PARAMETER 3 TRIGGER ON
1058 OUTPUT @Rec;”PAR4TON;”! PARAMETER 4 TRIGGER ON
1059 !
1060 ! Set all ratios for each displayed parameter to a common channel
1061 !
1062 OUTPUT @Rec;”PARA1;NUMEB1;DENOA1;LOCKNONE;DRIVNONE;REDD;” ! b1/a1 ratio
1063 OUTPUT @Rec;”PARA2;NUMEB1;DENOA1;LOCKNONE;DRIVNONE;REDD;” ! b1/a1 ratio
1064 OUTPUT @Rec;”PARA3;NUMEB1;DENOA1;LOCKNONE;DRIVNONE;REDD;” ! b1/a1 ratio
1065 OUTPUT @Rec;”PARA4;NUMEB1;DENOA1;LOCKNONE;DRIVNONE;REDD;” ! b1/a1 ratio
1066 !
1067 ! Set the active channels using the MULTI-PARAMETER display.
1068 !
1069 IF Chan_pts=1 THEN OUTPUT @Rec;”SINC;”
1070 IF Chan_pts=2 THEN OUTPUT @Rec;”TWOP;”
1071 IF Chan_pts=3 THEN OUTPUT @Rec;”THREEP;”
1072 IF Chan_pts=4 THEN OUTPUT @Rec;”FOURP;”
1073 !
1074 ! The first pass of a frequency sweep for the HP 8360A source is slower than
1075 ! subsequent sweeps, since the source is in learn mode. Take one slow one,
1076 ! then one fast one.
1077 !
1078 FOR Passes=1 TO 2 ! Take two passes: one slow, one fast.
1079 OUTPUT @Rec;”TRGSFRE;HOLD;” ! Use internal triggering for these sweeps.
1080 OUTPUT @Rec;”SING;” ! take a single sweep.
1081 FOR N=1 TO Chan_pts
1082 OUTPUT @Rec;”PARA”&VAL$(N)&”;”
1083 OUTPUT @Rec;”FORM3;OUTPDATA;”
1084 ENTER @Rec_data;Preamble,Data_bytes
1085 ENTER @Rec_data;Data_freq(*)
1086 NEXT N
1087 NEXT Passes
1088 !
6-26 85330A Multiple Channel Controller
Programming Examples
1089 OUTPUT @Rec;”TRGSEXT;HOLD;” ! SET TO EXTERNAL TRIGGER FOR CONTROLLED
1090 !
1091 !
1092 Set_85330a:!
1093 !
1094 OUTPUT @Hp85330a;”*RST;” ! SOFT RESET
1095 !
1097 OUTPUT @Hp85330a;”RUNT:EVEN:TRIG TTL;” ! Set the triggering.
1098 OUTPUT @Hp85330a;”RUNT:EVEN:COUN “;Angle_pts;”;” ! Angle increments
1099 !
1100 OUTPUT @Hp85330a;”RUNT:TIME:EVEN 0,15000000;” ! timeout 1st point: 15 sec.
1101 OUTPUT @Hp85330a;”RUNT:TIME:EVEN 1,5000000;” ! timeout 2nd - last: 5 sec.
1102 OUTPUT @Hp85330a;”RUNT:TIME:REC 1000000;” ! timeout receiver: 1 sec.
1103 !
1104 OUTPUT @Hp85330a;”RUNT:SWIT:DEL 50;” ! Switch settling is 50 uS
1105 ! ! when using multi-parameter
1106 ! ! display.
1107 OUTPUT @Hp85330a;”RUNT:SWIT:SCAN 1,(@”;Switch_start;”:”;Switch_stop;”);”
1108 !
1109 OUTPUT @Hp85330a;”RUNT:SOUR:COUN “;Freq_pts;”;” ! Frequency points.
1110 OUTPUT @Hp85330a;”RUNT:SOUR:SOURCE1:TRIG IMM;” ! No External triggering.
1111 OUTPUT @Hp85330a;”RUNT:SOUR:SOURCE2:TRIG IMM;” ! No External triggering.
1112 !
1113 !
1114 Set_positioner:!
1115 !
1116 ! Set positioner to start angle.
1117 ! Set velocity, acceleration.
1118 ! Set start, stop and increment angles.
1119 ! Set positioner to issue TTL triggers at increment angles.
1120 !
1121 !
1122 Start_meas:!
1123 !
1124 OUTPUT @Rec;”CLES;SING;” ! Start receiver single sweep.
1125 OUTPUT @Hp85330a;”RUNT:INIT:IMM;” ! Start measurement process
1126 REM Set the positioner to take an angle scan. ! Start the positioner.
1127 !
1128 FOR Passes=1 TO Angle_pts
1129 REPEAT
1130 ! Wait for SING sweep to complete
1131 UNTIL BIT(SPOLL(@Rec),4)
1132 FOR N=1 TO Chan_pts
1133 OUTPUT @Rec;”PARA”&VAL$(N)&”;”
1134 OUTPUT @Rec;”FORM3;OUTPDATA;”
Programming
85330A Multiple Channel Controller 6-27
Programming
Programming Examples
1135 ENTER @Rec_data;Preamble,Data_bytes
1136 ENTER @Rec_data;Data_freq(*)
1137 NEXT N
1138 IF Passes<>Angle_pts THEN
1139 OUTPUT @Rec;”CLES;SING;” ! Have the receiver take another sweep.
1140 END IF
1141 NEXT Passes
1142 !
1143 END
6-28 85330A Multiple Channel Controller
Example 3
Programming
Programming Examples
Example 3 applies to measurements where the 85330A controls the sources, using Fast Source Control mode .
1001 !
1002 ! RE-SAVE “EX3”
1003 !
1004 Example_3:!
1005 !
1006 ! This example shows how to make multi-frequency, multi-channel
1007 ! measurements using the HP 85330A and the FAST DATA modes of the HP 8530A
1008 ! Microwave Receiver. In this mode the sources are setup by the computer
1009 ! rather than under control of the HP 8530A microwave receiver.
1010 !
1011 ! It uses the HP BASIC/WS TRANSFER command to read data from the receiver
1012 ! The HP BASIC command ENTER may also be used.
1013 !
1014 DIM Err_str$[128]
1015 INTEGER Data_f1(1:32000,0:2) BUFFER ! DATA FROM RECEIVER IN FORMAT FORM1.
1016 !
1017 Build_table:!
1018 !
1019 ALLOCATE REAL Exp_tbl(0:255)
1020 !
1021 ! Build the FORM1 to FORM3 coversion table. During the FAST DATA
1022 ! aquisition from the HP 8530A data translation is need to conver the
1023 ! 6 bytes read from the receiver to a data point consiting of a
1024 ! real and imaginary pair.
1025 !
1026 Exp_tbl(0)=2^(-15)
1027 FOR N=0 TO 126
1028 Exp_tbl(N+1)=Exp_tbl(N)+Exp_tbl(N)
1029 NEXT N
1030 Exp_tbl(128)=2^(-143)
1031 FOR N=128 TO 254
1032 Exp_tbl(N+1)=Exp_tbl(N)+Exp_tbl(N)
1033 NEXT N
1034 !
1035 Set_vars:!
1036 !
1037 ! Set variables
1038 !
1039 Scu_addr=0 ! SCU address
1040 Chan_start=1 ! First Channel
1041 Chan_stop=4 ! Last Channel
1042 Chan_pts=(Chan_stop-Chan_start)+1 ! Number of channels
1043 Switch_start=Scu_addr*100+Chan_start ! Starting SWITCH ADDRESS
1044 Switch_stop=Scu_addr*100+Chan_stop ! Ending SWITCH ADDRESS
85330A Multiple Channel Controller 6-29
Programming
Programming Examples
1045 !
1046 Angle_start=-90
1047 Angle_stop=90
1048 Angle_incr=10
1049 Angle_pts=((Angle_stop-Angle_start)/Angle_incr)+1
1050 !
1051 Freq_start=3 ! GHz
1052 Freq_stop=5 ! GHz
1053 Freq_pts=11 ! Points
1054 Freq_offset=.020 ! Ghz
1055 Freq_step=(Freq_stop-Freq_start)/(Freq_pts-1)
1056 !
1057 Points=Angle_pts*Chan_pts*Freq_pts ! Total points to be measured for
1058 ! ! a singe angle scan.
1059 !
1060 REDIM Data_f1(1:Points,0:2) ! 6 byte format.
1061 ALLOCATE REAL Data_f3(1:Points,1:2) ! Real and imaginary pairs
1062 !
1063 Rec_averages=1
1064 !
1065 ! Set HP-IB addresses
1066 !
1067 ASSIGN @Rec TO 716 ! ASSIGN HP 8530A HP-IB.
1068 ASSIGN @Rec_data TO 716;FORMAT OFF ! ASSIGN HP 8530A DATA HP-IB.
1069 ASSIGN @Rf TO 719 ! ASSIGN HP 8360 RF SOURCE HP-IB.
1070 ASSIGN @Lo TO 718 ! ASSIGN HP 8360 LO SOURCE HP-IB.
1071 ASSIGN @Hp85330a TO 70918 ! Assign HP 85330A HP-IB
1072 ASSIGN @Buffer TO BUFFER Data_f1(*)! ASSIGN INPUT BUFFER.
1073 !
1074 Set_receiver: !
1075 !
1076 OUTPUT @Rec;”ADDRSOUR 31;” ! Since the HP 8530A does NOT have control of the
1077 OUTPUT @Rec;”ADDRSOU2 31;” ! sources, set the source address on the
1078 ! ! HP 8530A to 31.
1079 !
1080 OUTPUT @Rec;”FREQ;” ! Set to frequency domain
1081 OUTPUT @Rec;”SINC;” ! Set to single channel
1082 OUTPUT @Rec;”SINP;” ! Set to single point
1083 OUTPUT @Rec;”PARA1;” ! select b1/a1 ratio
1084 !
1085 IF Rec_averages>1 THEN
1086 OUTPUT @Rec;”AVERON”;Rec_averages;”;” ! Turn averaging on.
1087 ELSE
1088 OUTPUT @Rec;”AVEROFF;” ! Turn averaging off.
1089 END IF
1090 !
1091 Set_8360:!
1092 !
1093 ! Place the source in SCPI language
6-30 85330A Multiple Channel Controller
Programming Examples
1094 !
1095 OUTPUT @Rf;”SYST:LANG SCPI;”
1096 OUTPUT @Lo;”SYST:LANG SCPI;”
1097 !
1098 ! Place the source in STEP mode (or LIST mode).
1099 !
1100 OUTPUT @Rf;”FREQ:MODE SWE;”
1101 OUTPUT @Rf;”SWE:GEN STEP;”
1102 OUTPUT @Lo;”FREQ:MODE SWE;”
1103 OUTPUT @Lo;”SWE:GEN STEP;”
1104 !
1105 ! Set the Start, Stop, and number of points. Ths LO source must be offset
1106 ! by 20 MHz from the RF source.
1107 !
1108 OUTPUT @Rf;”FREQ:STAR “;Freq_start;” GHZ;”
1109 OUTPUT @Rf;”FREQ:STOP “;Freq_stop;” GHZ;”
1110 OUTPUT @Rf;”SWE:POIN “;Freq_pts;”;”
1111 OUTPUT @Lo;”FREQ:STAR “;Freq_start+Freq_offset;” GHZ;” ! The LO source is
1112 OUTPUT @Lo;”FREQ:STOP “;Freq_stop+Freq_offset;” GHZ;” ! offset by 20 MHz.
1113 OUTPUT @Lo;”SWE:POIN “;Freq_pts;”;”
1114 !
1115 ! The step sweep points triggering is external so that the HP 85330A can
1116 ! trigger the sources.
1117 !
1118 OUTPUT @Rf;”SWE:TRIG:SOUR EXT;”
1119 OUTPUT @Lo;”SWE:TRIG:SOUR EXT;”
1120 !
1121 ! The start sweep trigger is AUTO.
1122 !
1123 OUTPUT @Rf;”TRIG:SOUR IMM;”
1124 OUTPUT @Lo;”TRIG:SOUR IMM;”
1125 !
1126 ! Set the power level and turn the power on.
1127 !
1128 OUTPUT @Rf;”POW:LEV -5;”
1129 OUTPUT @Lo;”POW:LEV 10;”
1130 OUTPUT @Rf;”POW:STAT ON;”
1131 OUTPUT @Lo;”POW:STAT ON;”
1132 !
1133 ! Don’t initiate the sweep yet...
1134 !
1135 !
1136 Set_85330a:!
1137 !
1138 OUTPUT @Hp85330a;”*RST;” ! SOFT RESET
1139 !
1140 OUTPUT @Hp85330a;”RUNT:EVEN:TRIG TTL;” ! Set the triggering.
1141 OUTPUT @Hp85330a;”RUNT:EVEN:COUN “;Angle_pts;”;” ! No of angle increments
1142 !
85330A Multiple Channel Controller
Programming
6-31
Programming
Programming Examples
1143 OUTPUT @Hp85330a;”RUNT:TIME:EVEN 0,15000000;” ! 15 sec, 1st point.
1144 OUTPUT @Hp85330a;”RUNT:TIME:EVEN 1,5000000;” ! 5 sec, 2nd - last point.
1145 OUTPUT @Hp85330a;”RUNT:TIME:REC 1000000;” ! timeout receiver.
1146 !
1147 OUTPUT @Hp85330a;”RUNT:SWIT:DEL 2;” ! Switch settling is 2 uS.
1148 OUTPUT @Hp85330a;”RUNT:SWIT:SCAN 1,(@”;Switch_start;”:”;Switch_stop;”);”
1149 !
1150 OUTPUT @Hp85330a;”RUNT:SOUR:COUN “;Freq_pts;”;” ! No of frequency points.
1151 OUTPUT @Hp85330a;”RUNT:SOUR:SOURCE1:TRIG TTL;” ! Set source to ext trig.
1152 OUTPUT @Hp85330a;”RUNT:SOUR:SOURCE2:TRIG TTL;” ! Set source to ext trig.
1153 !
1154 REPEAT
1156 OUTPUT @Hp85330a;”SYST:ERR?;” ! Check error status
1157 ENTER @Hp85330a;Err_num,Err_str$ ! until error is 0.
1158 UNTIL Err_num=0
1160 !
1161 Set_positioner:!
1162 !
1163 ! Set positioner to start angle.
1164 ! Set velocity, acceleration.
1165 ! Set start, stop and increment angles.
1166 !
1167 Start_meas:!
1168 !
1169 ! Set the HP 8530A in FAST AUTO-RANGING data mode.
1170 !
1171 OUTPUT @Rec;”FASAD;” ! SET THE RECEIVER TO FAST DATA w/ AUTO-RANGE.
1172 REPEAT ! WAIT UNTIL THE RECEIVER IS READY TO
1173 WAIT .001 ! TO TAKE DATA.
1174 UNTIL BIT(SPOLL(@Rec),2) !
1175 TRIGGER @Rec ! ISSUE HPIB TRIGGER TO BEGIN FAST DATA MODE.
1176 !
1177 ! Set the HP 85330A to intitiate the run time control.
1178 !
1179 OUTPUT @Rf;”INIT:CONT ON;” ! Initiate the rf source.
1180 OUTPUT @Lo;”INIT:CONT ON;” ! Initiate the lo source.
1181 OUTPUT @Hp85330a;”RUNT:INIT:IMM;” ! Initiate the HP 85330A run time mode.
1182 !
1183 ! Set the positioner to take an angle scan.
1184 !
1185 REM Start the positioner.
1186 !
1187 ! This starts the data tranfer from the receiver to the computer. When
1188 ! a trigger is issued to the receiver the data is placed into the receiver’s
1189 ! buffer and then read from the reciever using the following TRANSFER
1190 ! statement.
1191 !
1192 TRANSFER @Rec TO @Buffer;RECORDS Points,EOR (COUNT 6)
1193 !
6-32 85330A Multiple Channel Controller
Programming Examples
1194 N=1 ! N IS THE CURRENT POINT.
1195 REPEAT
1196 !
1197 ! The TRANFER statement is a background process that allows the
1198 ! computer BUFFER to be filled while the other commands are executed.
1199 ! Therefore, other code (i.e. drawing data to the display data can go
1200 ! here without hindering the measurement process.
1201 !
1202 ! The ENTER statement can also be used to read part or all of the trace
1203 ! instead of using the TRANFER statement.
1204 !
1205 ! Remember that in FORM 1 data, which the HP 8530A uses in the FAST DATA
1206 ! modes each data point is 6 bytes. The 6 bytes must be converted to
1207 ! a real and imaginary pair.
1208 !
1209 ! --
1210 !
1211 STATUS @Buffer,4;R4 ! Check the number of bytes in the buffer
1212 IF R4>=6*N THEN ! Is there another point (6 bytes) in the buffer?
1213 !
1214 ! If yes THEN converte the data from FORM 1.
1215 !
1216 Exp=Exp_tbl(BINAND(Data_f1(N,2),255))! CONVERT FORM1 TO FORM3.
1217 Data_f3(N,1)=Data_f1(N,1)*Exp ! REAL DATA.
1218 Data_f3(N,2)=Data_f1(N,0)*Exp ! IMAGINARY DATA.
1219 N=N+1
1220 END IF
1221 !
1222 UNTIL N>Points
1223 !
1224 CONTROL @Buffer,8;0 ! TERMINATE TRANSFER
1225 OUTPUT @Rec;”SINP;” ! TAKE RECEIVER OUT OF FAST-CW MODE
1226 !
1227 END
Programming
85330A Multiple Channel Controller 6-33
Programming
85330A Error Messages
85330A Error Messages
6-34
−
150
−
151
−
158
−
161
−
131
−
138
−
141
−
148
−
168
−
170
−
171
−
178
−
181
−
121
−
123
−
124
−
128
−
108
−
109
−
112
−
113
Error Number
+
0
−
100
−
101
−
102
−
103
−
104
−
105
Error Message
“No error”
“Command error”
“Invalid character”
“Syntax error”
“Invalid separator”
“Data type error”
“GET not allowed”
“Parameter not allowed”
“Missing parameter”
“Program mnemonic too long”
“Undefined header”
“Invalid character in number”
““Numeric overflow”
“Too many digits”
“Numeric data not allowed”
“Invalid suffix”
“Suffix not allowed”
“Invalid character data”
“Character data not allowed”
“String data error”
“Invalid string data”
“String data not allowed”
“Invalid block data”
“Block data not allowed”
“Expression error”
“Invalid expression”
“Expression data not allowed”
“Invalid outside macro definition”
85330A Multiple Channel Controller
1000
1100
1301
1302
1303
1304
1305
Error Number
−
241
−
270
−
272
−
273
−
222
−
223
−
224
−
240
−
213
−
214
−
215
−
221
−
183
−
200
−
210
−
211
−
350
−
400
−
410
−
420
−
430
−
276
−
277
−
310
−
330
440
Programming
85330A Error Messages
Error Message
“Invalid inside macro definition”
“Execution error”
“Trigger error”
“Trigger ignored”
“Init ignored”
“Trigger deadlock”
“Arm deadlock”
“Settings conflict”
“Data out of range”
“Too much data”
“Illegal parameter value”
“Hardware error”
“Hardware missing”
“Macro error”
“Macro execution error”
“Illegal macro label”
“Macro recursion error”
“Macro redefinition not allowed”
“System error”
“Self-test failed”
“Too many errors”
“Query error”
“Query INTERRUPTED”
“Query UNTERMINATED”
“Query DEADLOCKED”
“Query UNTERMINATED after indefinite response”
“Out of memory”
“Time/date memory lost”
“Bad driver format”
“Incorrect driver checksum”
“LOAD command cannot understand driver format”
“Instrument ROM revision not compatible with this driver”
“Not enough driver RAM for this driver”
85330A Multiple Channel Controller 6-35
Programming
85330A Error Messages
2010
2011
2012
2021
2145
2601
2006
2007
2008
2009
2002
2003
2004
2005
Error Number
1306
1500
1501
1510
2000
2001
Error Message
“Not enough header entries for this driver”
“Trigger source already allocated”
“Instrument in use”
“Trigger source non-existent”
“Invalid card number”
“Invalid channel number”
“Invalid logical address”
“Invalid word address”
“Invalid address for 32-bit access”
“No card at logical address”
“Command not supported on this card”
“Bus error”
“Scan list not intiialized”
“Too many channels in channel list”
“Scan mode not allowed on this card”
“Empty channel list”
“Invalid channel range”
“Trigger line not supported by extender”
“Config warning, Non-volatile RAM contents lost”
“Channel list required for this function”
6-36 85330A Multiple Channel Controller
Remote Programming Command Reference
7
Remote Programming Command
Reference
This chapter describes programming commands for the multiple channel controller.
Command Syntax
Common Command
Format
Standard Command
Format
Common commands are four or five characters in length, always begin with the asterisk character (*), and may include one or more parameters. The command keyword is separated from the first parameter by a space character. Some examples of common commands are:
*IDN? *CLS *OPC?
Standard commands perform functions such as making measurements, querying instrument states, or retrieving data. A command subsystem is a hierarchical structure that usually has a top level (or root) command, one or more low-level commands, and their parameters. This is an example of a typical subsystem:
RUNTime
:SOURce
:SOURCE1
:TRIGger
RUNTime is the root command, SOURce is a second level command, SOURCE1 is a third level command, and TRIGGER is a fourth level command.
A colon (:) always separates a command from the next lower level command, as shown below:
ROUTe:CLOSe
85330A Multiple Channel Controller 7-1
Remote Programming Command Reference
Abbreviated Commands
The command syntax shows most commands as a mixture of upper case
(capital) and lower case letters. The upper case letters indicate the abbreviated spelling for the command. For shorter program lines, use the abbreviated form. For better program readability, you may use the entire command. The instrument will accept either the abbreviated form or the entire command.
For example, if the command syntax shows TIMEout , then both TIME and
TIMEOUT are acceptable forms. Incorrect forms of TIMEout , such as TIMEO or
TIMET will generate an error. You may use upper case or lower case letters.
Therefore, TIMEOUT , timeout , and TiMoUt all are acceptable.
Parameters
The following table contains descriptions and examples of parameter types you might see later in this chapter.
Table 7-1 Parameter Types
Type:
Numeric
Descriptions and Examples:
Accepts all commonly used decimal representations of numbers including optional signs, decimal points, and scientific notation.
Boolean
Discrete
Optional Parameters
123, 123E2, -123, -1.23E2, 0.123, 1.23E-2, 1.23000E-01.
Special cases may include MIN, MAX, and INF.
Represents a single binary condition that is either true or false.
ON, OFF, 1, 0
Selects from a finite number of values. These parameters use mnemonics to represent each valid setting.
An example is the TRIIGger:SOURce:SOURCE1:TRIGger command, where TRIGger can be set to TTL or IMM.
Parameters shown within square brackets ( [ ] ) are optional parameters.
(Note that the brackets are not part of the command and are not sent to the instrument.) If you do not specify a value for an optional parameter, the instrument chooses a default value. When specifying a parameter, be sure to place a space between the command and the parameter.
7-2 85330A Multiple Channel Controller
Syntax
Example
Default
Syntax
Example
Remote Programming Command Reference
Common Commands
Common Commands
The following pages describe the common commands available in the
Agilent 85330A multiple channel controller.
*CLS
Software clear of the 85330A. This clears the error stack.
*CLS
OUTPUT 70918; “*CLS”
*IDN?
Returns the card manufacturer, model number, and firmware revision number.
Should return the string: AGILENT TECHNOLOGIES,85330-60002,0,A.03.00
IDN?
10 DIM IDN_STR$[128]
20 OUTPUT 70918;”*IDN?;”
30 ENTER 70918;IDN_STR$
85330A Multiple Channel Controller 7-3
Syntax
Example
Default
Syntax
Example
NOTE
Remote Programming Command Reference
Common Commands
*OPC?
The operation complete command. This can be used to measure timing of a run-time sequence. The command *OPC?
returns a value of 1 when evoked.
Prior commands are executed before the completion of *OPC?
.
*OPC?
10 OUTPUT 70918;”RUNT:EVEN:COUN 1;”
20 OUTPUT 70918;”TRIG:SOUR IMM;”
30 TIME_START=TIMEDATE
40 OUTPUT 70918;”INIT:IMM;*OPC?”
50 ENTER 70918;OPC_NUM
60 TIME_STOP=TIMEDATE
70 PRINT “MEASUREMENT TIME (SEC)=”;TIME_STOP-TIME_START
*RST
A soft reset of the E1330A/B and 85330-60002 card. It is executed at power-up. This command does not clear the error stack.
All card address are set to channel 1.
*RST
OUTPUT 70918;”*RST”
A *RST will produce a trigger signal on the SRC 1 TRIG, SRC2 TRIG, and
RCVR TRIG lines.
7-4 85330A Multiple Channel Controller
Remote Programming Command Reference
Standard Command Reference
Standard Command Reference
The following pages describe 85330A multiple channel controller standard commands.
ROUTe
Subsystem Command
Syntax
:CLOSe port,(@switch address [,switch address]);
:DELay <micro-seconds>;
:CONTrol <data>;
ROUTe:CLOSe
Default
Syntax
Example
NOTE
Closes individual switch states in direct control only. The parameters are the switch port address, 1 or 2 and the switch address. The switch address is the concatenation of the SCU address and the channel. Examples are provided earlier in this chapter.
This command can also be used to set the TTL level of the rear panel AUX 2 connector before entering run-time mode.
All switch modules are set to channel 1. AUX 2 connector default is TTL
LOW.
ROUTe:CLOSe 1|2,(@ <switch address, or list of switch addresses>); or
ROUTe:CLOSe 3,(@0|1);
OUTPUT 70918;”ROUT:CLOS 1,(@102);”
Closes SCU address 1 channel 2.
OUTPUT 70918;”ROUT:CLOS 3,(@0);”
Sets AUX 2 to TTL LOW before run-time.
Multiple switch address entries may be:
•
Separated by commas if listing each switch address.
•
Separated by a colon for starting and ending switch addresses. Switch address lists may contain both comma and colon separators.
85330A Multiple Channel Controller 7-5
Default
Syntax
Example
NOTE
Default
Syntax
Example
NOTE
Remote Programming Command Reference
Standard Command Reference
ROUTe:CONTrol
Controls the TTL state of the rear panel AUX 1 connector.
Default is a TTL LOW.
OUT:CONT <data>;
ROUT:CONT 0;
Sets AUX 1 to TTL LOW
ROUT:CONT 1;
Sets AUX 1 to TTL HIGH
The state of AUX 1 must be set before entering run-time mode.
ROUTe:DELay
Adds a specific amount of delay between a switch address entry being asserted and the issuance of a measurement trigger. Delay is entered in micro-seconds.
The default is 160 micro-seconds.
ROUT:DEL <micro-seconds>;
ROUT:DEL 200;
Set the trigger delay (settling time) to 200 micro-seconds.
Most solid state switches are capable of changing states within a few micro-seconds.
7-6 85330A Multiple Channel Controller
Remote Programming Command Reference
Standard Command Reference
RUNTime
Subsystem Command Syntax
RUNTime
:CONTroller CONTroller | REMote1 | REMote2;
:EVENt
:COUNt <number of primary increment angles>;
:TRIGger IMM | TTL;
: INITiate
:IMM;
:SWITch
:DELay <microseconds>;
:SCAN port,(@switch address [,switch address]);
:TRIGger IMM | REMote1 | REMote2;
:SOURce
:COUNt <number of frequency points>;
:SOURCE1
:TRIGger IMM | TTL | REMote1 | REMote2;
:SOURCE2
:TRIGger IMM | TTL | REMote1 | REMote2;
: TIMEout
:EVENt 0 | 1, <microseconds>;
:RECeiver <microseconds>;
:REMote <microseconds>;
:SOURCE <microseconds>;
85330A Multiple Channel Controller 7-7
Default
Syntax
Example
NOTE
Default
Syntax
Example
NOTE
Remote Programming Command Reference
Standard Command Reference
RUNTime:CONTroller
This command sets the multiple channel controller as the master
CONTroller or the REMote1 or REMote2 controller. When the multiple channel controller is INITiated to the RUNTime mode, the controller will execute a sequence based on its CONTroller status.
Default is CONTroller.
RUNT:CONT CONT | REM1 | REM2;
RUNT:CONT CONT;
(This command is in revision A.02.31 or greater.) See
Control Mode” on page 6-12 for more information on the CONTroller,
REMote1, and REMote2 executing sequence.
RUNTime:EVENt:COUNt
Set the number of increment angles to be measured during run-time control.
Default is 1.
RUNT:EVEN:COUN <number of angular increments>;
RUNT:EVEN:COUN 91;
RUNT:EVEN:COUN 1;
When performing a frequency response measurement at a single angle the increment would typically be set to 1. This is useful for taking a frequency response measurement at a single angle, determining the measurement time of frequency response measurement, or taking a “first” sweep for the Agilent
8360-series source.
7-8 85330A Multiple Channel Controller
TTL Mode
IMM Mode
Default
Syntax
Example
Remote Programming Command Reference
Standard Command Reference
RUNTime:EVENt:TRIGger
The event trigger source allows either TTL triggering to control the run-time sequencing or IMMediate triggering to occur.
In TTL mode, the run-time control will:
1. Wait for an event trigger.
2. When the event trigger occurs, run-time control asserts each switch address entry in the scan list (one at a time), issuing a measurement trigger to the receiver for each.
3. Repeats step 2 for each frequency (defined using RUNT:SOUR:COUN).
Typically TTL mode is used for angle scans of CW or multi-frequency responses.
In IMM mode the 85330A issues the first trigger immediately on receiving the INIT:IMM command and continues on with the sequence. Typically,
IMM mode is used for single angle frequency response measurements or timing measurements.
The default is TTL.
RUNT:EVENt:TRIGger TTL | IMM;
OUTPUT 70918;”RUNT:EVEN:TRIG TTL;”
OUTPUT 70918;”RUNT:EVEN:TRIG IMM;”
85330A Multiple Channel Controller 7-9
Default
Syntax
Example
Default
Syntax
Example
NOTE
Remote Programming Command Reference
Standard Command Reference
RUNTime:INITiate:IMM
Initiates the run-time sequence and control of a measurement. All parameters must be set up prior to initiating RUNT:INIT:IMM.
Once the measurement is initiated, it will run until completion or until a timeout has occurred. If a timeout does occur, it will report the error to the error stack.
The event trigger is defaulted to TTL. See other related commands for their defaults.
RUNTime:INITiate:IMM;
RUNT:INIT:IMM;
RUNTime:SOURce:COUNt
Set the number of frequency points to be measured during the run-time sequence. For each frequency point, each entry in the scan list will be asserted and a trigger issued. If the SOURCE triggering method is IMM, no source TTL trigger signal is issued and the 8530A is assumed to control the sources. If the source triggering is TTL, a TTL signal is issued and the run-time sequence waits for the source ready line.
The default is 1.
RUNTime:SOURce:COUNt <number of frequency points>;
RUNT:SOUR:COUN 1;
RUNT:SOUR:COUN 51;
For CW angle scan measurements the number of frequencies should be set to 1.
7-10 85330A Multiple Channel Controller
Default
Syntax
Example
NOTE
Default
Syntax
Example
NOTE
Remote Programming Command Reference
Standard Command Reference
RUNTime:SOURce:SOURCE1:TRIGger
Selects IMM, TTL, REMote1, or REMote2 triggering for source 1 (the RF source).
The default trigger mode is TTL.
RUNTime:SOURce:SOURCE1:TRIGger IMM | TTL
| REMote1 | REMote2;
RUNT:SOUR:SOURCE1:TRIG IMM;
In the fast source stepping mode (also known as Turbo), the trigger is set to
TTL. When using more than one multiple channel controller, the
CONTroller controller would set the source trigger parameter to remote
(REMote1 or REMote2), while the REMote1 or REMote2 controller sets its parameter to TTL.
RUNTime:SOURce:SOURCE2:TRIGger
Selects IMM or TTL triggering for source 2 (the LO source).
The default trigger mode is TTL.
RUNTime:SOURce:SOURCE2:TRIGger IMM | TTL
| REMote1 | REMote2;
RUNT:SOUR:SOURCE2:TRIG IMM;
In the fast source stepping mode (also known as Turbo), the trigger is set to
TTL. When using more than one multiple channel controllers, the
CONTroller controller would set the source trigger parameter to remote
(REMote1 or REMote2), while the REMote1 or REMote2 controller sets its parameter to TTL.
85330A Multiple Channel Controller 7-11
Default
Syntax
Example
NOTE
Remote Programming Command Reference
Standard Command Reference
RUNTime:SWITch:DELay
Used for the delay between asserting the switch address list entry of the
RUNT:SWIT:SCAN command and the issuance of a receiver trigger. The input to the command is in microseconds.
The default is 2 microseconds.
RUNT:SWIT:DEL <microseconds>;
RUNT:SWIT:DEL 50; ! Set the trigger or setting
! time to 50 micro-seconds.
•
When using the multiple-parameter display mode of the 8530A, the minimum switch settling time setting is 50 µ s. Using faster settling times can cause problems during the measurement.
•
For the Fast Data Acquisition modes, 2 µ s settling time is recommended.
7-12 85330A Multiple Channel Controller
Default
Syntax
NOTE
Example
NOTE
Remote Programming Command Reference
Standard Command Reference
RUNTime:SWITch:SCAN
Set up the list of channel addresses for run-time control. For each event increment signal received by the 85330A, each channel address entry will be asserted and a subsequent trigger issued to begin a measurement of each data point.
This command can also be used to set the TTL level of the rear panel AUX 2 connector during run-time mode.
Scan list for port 1 and port 2 are empty.
AUX 2 connector default is TTL LOW.
RUNT:SWIT:SCAN 1 | 2,(@ <switch address list>); or
RUNT:SWIT:SCAN 3,(@0 | 1);
This command controls port AUX 2.0 sets the AUX 2 BNC to a TTL low.
A1 sets AUX2 to a TTL high.
AUX 1 cannot be controlled in RUNTime mode.
RUNT:SWIT:SCAN 1,(@101,102,101,102);
RUNT:SWIT:SCAN 2,(@101,101,102,102);
RUNT:SWIT:SCAN 3,(@0);
Sets AUX 2 output to TTL LOW during run-time.
Switch address list requirements are the same as the ROUT:CLOS command. A switch address scan list can remain empty and no data will be written to the port. If a port is not empty, then an error will be issued if the scan lists for both ports do not contain the same number of entries.
85330A Multiple Channel Controller 7-13
Default
Syntax
Example
NOTE
Remote Programming Command Reference
Standard Command Reference
RUNTime:SWITch:TRIGger
The switch trigger source allows either TTL triggering from the REMote controller to control the run-time sequencing or IMMeadiate triggering to occur.
The default trigger mode is IMM.
RUNT:SWIT:TRIG IMM | TTL;
RUNT:SWIT:TRIG TTL;
This command is in revision A.02.31 or greater.
7-14 85330A Multiple Channel Controller
Default
Syntax
Example
Default
Syntax
Example
Remote Programming Command Reference
Standard Command Reference
RUNTime:TIMEout:EVENt
A timeout setting for event triggers during run-time. The timeout for the event trigger input has separate timeouts:
•
One prior to the first trigger being issued: RUNT:TIME:EVEN 0, time in
µ s
•
The other for all subsequent triggers: RUNT:TIME:EVEN 1, time in µ s
The default for the first trigger is 15 seconds (15000000 microseconds) and for subsequent triggers is 10 seconds (10000000 microseconds).
RUNT:TIME:EVENt 0|1, <microseconds>;
Examples of each timeout:
OUTPUT 70918;”RUNT:TIME:EVEN 0,15000000;”
Set first EVENT TRIG timeout to 15 seconds.
OUTPUT 70918;”RUNT:TIME:EVEN 1,2000000;”
Set the timeout for subsequent triggers to 2 seconds.
OUTPUT 70918;”RUNT:TIME:REC 1000000;”
Set RCVR READY timeout to 1 sec.
OUTPUT 70918;”RUNT:TIME:SOURCE1 1000000;”
Set source 1 timeout to 1 sec.
OUTPUT 70918;”RUNT:TIME:SOURCE2 1000000;”
Set source 2 timeout to 1 sec.
RUNTime:TIMEout:RECeiver
Allows a timeout to occur if the receiver ready line does not respond in determined time.
The default is 1 second (1000000 microseconds).
RUNT:TIME:REC <microseconds>;
RUNT:TIME:REC 1000000;
85330A Multiple Channel Controller 7-15
Default
Syntax
Example
NOTE
Default
Syntax
Example
Remote Programming Command Reference
Standard Command Reference
RUNTime:TIMEout:REMote
Allows a timeout to occur if the REMote1 or REMote2 controller does not respond in determined time.
The default is 1 second (1000000 microseconds).
RUNT:TIME:REM <microseconds>;
RUNT:TIME:REM 1000000;
This command is in revision A.02.31 or greater.
RUNTime:TIMEout:SOURce
Allows a timeout to occur if the source 1 or source 2 ready line does not respond in determined time.
The default is 1 second (1000000 microseconds).
RUNT:TIME:SOUR <microseconds>;
RUNT:TIME:SOUR 1000000;
SYSTem
Subsystem Command Syntax
SYSTem
:ERRor?
7-16 85330A Multiple Channel Controller
Default
Syntax
Example
NOTE
Remote Programming Command Reference
Standard Command Reference
SYSTem:ERRor?
Allows checking the error status of the 85330A.
The default should be: +0, “No error”.
SYST:ERR?
10 DIM ERR_STR$[128]
20 OUTPUT 70918;”SYST:ERR?;”
30 ENTER 70918;ERR_STR$
The errors are put into a stack; therefore, reading the error status once may not clear all error conditions. It should be read until the error +0, “No error” is read. The *CLS command will clear the error status.
85330A Multiple Channel Controller 7-17
Remote Programming Command Reference
Standard Command Reference
7-18 85330A Multiple Channel Controller
8
NOTE
In Case of Difficulty
In Case of Difficulty
The 85330A Does Not Show the Main Menu
When Turned ON
The following screen should appear when you turn the 85330A ON.
Select an instrument._
SYSTEM 85330A IBASIC (see note below)
IBASIC is present if the IBASIC option is installed.
If you do not see this display, load the 85330A downloadable driver files as explained in
85330A Multiple Channel Controller 8-1
In Case of Difficulty
8-2 85330A Multiple Channel Controller
9
Introduction
CAUTION
Service
Service
This chapter explains the following topics:
•
Theory of Operation (how the multiple channel switching system works)
•
Recommended Test Equipment (the equipment required for servicing these instruments)
•
Service
❍
Troubleshooting (how to determine which part of the system is faulty)
❍
Replaceable Parts (how to identify and order parts)
❍
❍
❍
Assembly/Disassembly (how to remove and replace failed assemblies)
Adjustments (how to make any adjustments or settings required)
Preventive Maintenance (what service should be done as a preventive)
The assemblies used in the multiple channel controller system are static sensitive. Use anti-static techniques when performing the following procedures. For example, wear an anti-static ground strap and work at a station equipped with an anti-static mat.
85330A Multiple Channel Controller 9-1
NOTE
Service
Theory of Operation
Theory of Operation
The 85330A multiple channel controller was designed as a high-speed, real-time controller for the 8530A microwave receiver. The 85330A controls external solid-state transmit and receive switches and allows for asynchronous TTL communications to the receiver, the RF and LO sources, and other remote 85330As. It is implemented using a standard VXI mainframe and has a downloadable software driver that provides the controllers with their own GPIB command set for control, setup, and initiating runtime sequences.
A diagram of the entire system is shown in the
Block Diagram,” next. All of the connections from the 85330-60002 card’s
rear panel to other instruments are optional and may be different for each system, depending on the system’s requirements from the 85330A.
A receiver may use the STOP SWEEP line, if the RCVR READY line is not available.
The 85330A was implemented using an Agilent 75000 Series B VXI mainframe. A special VXI card was developed to handle the necessary control and timing requirements. This card is driven by a standard VXI parallel interface card (Digital I/O card.) A downloadable software driver was developed to provide fast runtime control of the measurement system.
9-2 85330A Multiple Channel Controller
GPIB
Service
Theory of Operation
The 85330-60002 card contains the TTL trigger and ready lines that interface to the 8530A microwave receiver, the RF source, and the LO source. The communication to the switch control unit is through sets of parallel twisted-pair wires and bias wires. These wires enable placement of the switches next to the transmit and receive devices. This minimizes the RF path lengths to the external mixer modules and therefore decreases the amount of RF losses.
Configuration of the 85330A is achieved by sending a series of GPIB commands to the mainframe prior to the runtime. To initiate the runtime sequence, a GPIB command is issued to the controller, or, the controller begins the measurement sequence, or waits for a trigger signal to the
EVENT TRIG to begin the sequence. For the latter, the controller repeats the sequence for each trigger sent to the EVENT TRIG.
Figure 9-2 shows the timing sequence of a typical measurement using the
85330A.
Table 9-1 on page 9-6 shows the time required for each trigger
shown in
Figure 9-2 . This measurement not only controls a transmit and
receive switch, but may optionally control the RF and LO sources for high speed frequency switching during the measurement. Upon receiving a trigger from the Positioner Controller or other trigger source, the 85330A issues the receiver trigger, waits for the receiver ready line, asserts the next set of switch states, waits for the switches to settle, and issues the receiver another trigger. To change frequency, the 85330A triggers the RF and LO sources and waits for the source ready lines before proceeding to the next set of switch states.
Figure 9-2 85330A Timing Sequence of a Typical Measurement
85330A Multiple Channel Controller 9-5
Service
Theory of Operation
Trigger
EVENT TRIGGER
MEAS BUSY
RCVR TRIG
RCVR READY:
Switch Settling
Receiver Measurement
SWITCH PORT 1
SWITCH PORT 2
SRC 1 TRIG
SRC 2 TRIG
Frequency switching
SRC 1 READY
SRC 2 READY
Table 9-1 Timing Sequence Trigger Widths
Width
1
µ s
≤ t ev
≤1 ms
Description
Trigger width dependent on trigger source
Dependent on measurement time of 85330A
1
µ s
≤ t rc
≤3 µ s
Default 2
µ s typ.
≥
200
µ s
Variable
Variable
10
µ s
≤ t sr1
≤14 µ s
10
µ s
≤ t sr2
≤14 µ s typ
≥5
ms typ 1
µ s typ 1
µ s
Set by 85330 command- RUNT:SWIT:DEL
Dependent on measurement time of 8530A
Dependent on RCVR TRIG and RCVR READY lines
Dependent on RCVR TRIG and RCVR READY lines
Dependent on frequency switching time of source
Trigger width dependent on trigger source
Trigger width dependent on trigger source
For large systems, the distance between the transmitters and receiver may exceed the physical capabilities of a single controller. For these applications, multiple controllers can be used. The REMOTE1 and REMOTE2 provide the communications between controllers via two balanced twisted-pair wires, similar to RS-422. In defining the runtime parameters, the event sequence is also defined which enables the controllers to operate in unison via these wires.
The AUX POWER IN allows for use of an external
±
12 Vdc power supply to be used if the VXI mainframe can not supply the required power for a large switching system, or to compensate for local control cable losses, or special switch voltages. The AUX 1 and AUX 2 outputs can provide a user-controllable TTL line for special applications.
The 85330-60002 card communicates with the switch control units via the
SWITCH PORT1 and SWITCH PORT2 connectors. These SCUs decode the switching control signals and provide bias for the Switches. The physical connection of a switch control module is accomplished using one of the two independent output ports on the 85330-60002 card. The separate ports provide the cabling requirements for remote switches to the transmit and receive sites. The cascading feature provides for building switch trees, or simultaneous switching into multiple RF channels.
Switch control units can be individually addressed for independent control, or can share the same address for simultaneous switching or tree configurations. Each module has two bits of unit-address decode and six bits
9-6 85330A Multiple Channel Controller
Service
Theory of Operation of channel-address decode. The six channel-address bits allow unique addressing for switches up to a 64 throw switch.
For the detailed theory of operation for the E1301B VXI mainframe, see the
Service chapter in the Agilent E1301B Service Manual.
85330A Multiple Channel Controller 9-7
Service
Recommended Test Equipment
Recommended Test Equipment
Table 9-2 lists the equipment that is mandatory when servicing the multiple
channel controller and switches. Other equipment can be substituted if it meets or exceeds the requirements for the tests, or the requirements specified below.
Table 9-2 Required Test Equipment
1
1
1
1
Qty
1
1
3
1
1
1
1
1
1
1
Item
Downloadable Driver Disk
Multimeter
±
20 Vdc, digital
Digital Oscilloscope (1 MHz Single-shot Band Width)
Tee Adapter (BNC male to female, female)
Cable (BNC male to male 122 cm)
Network Analyzer System
3
50 MHz to 40 GHz
4
,
5
90 dB dynamic range
Plotter or Printer
6
Torque Wrench 2.4/3.5 mm (8 in-lb)
TORX Driver T-8
TORX Driver T-10
TORX Driver T-15
Posidriv No.1
Posidriv No.2
Soldering Iron
Agilent Part or Model Number
85330-10016
2
E2377A
54501A
1250-0781
8120-1840
8722C Option 003
HP 7550A+ or LaserJet
8710-1765
7
8710-1673
8710-1284
8710-1816
8710-0899
8710-0900
Use
I, T, P
P, T
P, T
P, T
P, T
P, T
P
P, T, I, O
T
T
T
T
T
T
1
1. O = Operation
P = Performance Verification
A = Adjustments
T = Troubleshooting
I = Installation
2. Included with the 85330A shipment.
3. System must include vector network analyzer, test port cables, and calibration kit.
4. A 50 MHz to 26.5 GHz network analyzer may be used if the 3.5 mm adapters are used with the microwave switches.
5. If a network analyzer is used with a frequency range less than the switches, then the performance verification will only be valid over the frequency range of the network analyzer.
6. Plotter or printer must connect to the network analyzer and oscilloscope for test documentation.
7. Use this wrench for any 2.4/3.5/SMA mm connections in the procedure.
9-8 85330A Multiple Channel Controller
CAUTION
CAUTION
NOTE
Service
Service
Service
The assemblies used in the multiple channel controller system are static sensitive. Use anti-static techniques when performing the following procedures. For example, wear an anti-static ground strap and work at a station equipped with an anti-static mat.
Do not disconnect or remove any boards from the mainframe unless the mainframe is unplugged. Some boards contain devices that can be damaged if the board is removed when the power is on. Several components, including
MOS devices, can be damaged by electrostatic discharge. Use a proper ESD workstation when servicing this instrument.
It is assumed that the person performing the service tests understands how to operate the multiple channel controller and the specified test equipment.
Equipment settings—other than those used for the multiple channel controller—are stated in general terms. For example, a test might require that a voltage of +5 Vdc be measured, however the Digital Multimeter instructions as to mode and range would not be specified and the operator would be expected to set that control and any other controls as required to obtain a measurement. It is also assumed that the technician will select the cables, adapters, and probes required to complete the test setups illustrated in this section.
85330A Multiple Channel Controller 9-9
Service
Troubleshooting
Troubleshooting
Troubleshooting the
System
Troubleshooting the
Multiple Channel
Controller
NOTE
An understanding of how the 85330A system operates is required before undertaking the troubleshooting of this system. Please read
This system may be broken down into four parts: multiple channel controller
(mainframe), switch control unit, RF switch, and cables. In order to determine which part of the system is not working correctly, a performance verification may be run. For more information, see
Turn ON Self Check
The following screen should appear when you turn the 85330A ON.
Select an instrument._
SYSTEM 85330A IBASIC (see note below)
IBASIC is present only if the IBASIC option is installed.
If you see this display, go on to the next troubleshooting section. If you do
not see this display, load the 85330A downloadable driver files as explained in
Multiple Channel Controller
Run the test
“Verifying the Multiple Channel Controller” on page 2-6 .
VXI Mainframe
For troubleshooting information on the E1301B VXI mainframe, see the
Service chapter in the Agilent E1301B Service Manual. There are a couple of VXI mainframe self tests that can be used, as well as the command *TST?.
85330-60002 Card
The multiple channel controller tests, shown above, will check this plug-in card.
To check the SWITCH PORT1 and SWITCH PORT2 output connector, refer to
Table 9-3 on page 9-11 for each control line function. Use a digital scope
or a logic analyzer to monitor these lines.
9-10 85330A Multiple Channel Controller
Service
Troubleshooting
Table 9-3 SWITCH PORT 1/2 Connector Pinout
11
12
13
9
0
7
8
5
6
3
4
1
2
D-Type
Connector Pins
Function
Bit 6 HI
Bit 6 LO
Bit 7 HI
Bit 7 LO
+
12 Vdc
+
12 Vdc
GND
GND
GND
Bit 0 HI
Bit 0 LO
Bit 1 HI
Bit 1 LO
22
23
20
21
24
25
18
19
16
17
D-Type
Connector Pins
14
15
Function
Bit 2 HI
Bit 2 LO
Bit 3 HI
Bit 3 LO
Bit 4 HI
Bit 4 LO
Bit 5 HI
Bit 5 LO
+
12 Vdc
−
12 Vdc
GND
GND
Troubleshooting the
Switch Control Unit
Run the test
“Verifying the Switch Control Unit” on page 2-12 .
NOTE Check to make sure that the serial number prefixes of the Switch Control
Unit and RF switch match. They are produced at the factory this way. It is acceptable to use switches and SCUs with different serial numbers. But if there is a problem, it may be because a newer switch is used with an older
SCU, or an older switch is used with a newer SCU.
Run the test
“Verifying the RF Switches” on page 2-13.
Troubleshooting the
RF Switch
Troubleshooting the
Cables
The cables will be checked during “Verifying the Switch Control Unit” and
“Verifying the RF Switches” tests in
Chapter 2, “Performance Verification.”
If a cable is suspected, use a voltmeter to check continuity between the connectors on each end of the cable. See
Table 9-4 on page 9-12 for the
wiring information for each set of cables.
85330A Multiple Channel Controller 9-11
Service
Troubleshooting
85383A Local Control Cable
Use
Table 9-4 to check each connector pin for continuity.
Table 9-4 85383A Connector Wiring Table
1
2
D-Type
Connector Pins
5
6
3
4
9
10
7
8
11
12
13
1. nc = No Connection
P
N
J
M
H
B
D
E
L nc
1
F
A
C
Circular
Connector Pins
22
23
20
21
24
25
18
19
16
17
D-Type
Connector Pins
14
15
V a
U
Z
W b
T
Y
S
X
K
R
Circular
Connector Pins
85383B Expansion Cable
This cable has the same connector type on each end—one end male and the other female. Each pin on one connector will have continuity with the same pin on the other end. Remember that each pin on one connector will be on the opposite side of the connector face on the other connector (they are mirror images of each other).
85384A Switch Driver Cable
This cable has the same connector on each end, and each pin on one connector will have continuity with the same pin on the other end.
85385A Remote Trigger Cable
This cable has the same connector on each end, but is wired to cross-connect the inputs and outputs from the multiple channel controller. See
for more information.
9-12 85330A Multiple Channel Controller
Table 9-5 85385A Wiring
6
7
4
5
2
3
Connector 1
1
8
9
1. nc = No Connection
8
9
4
5
6
7
2
3
Connector 2
1 tx/rx tx/rx rx/tx rx/tx
Function nc
1 nc
1 shield nc
1 nc
1
Service
Troubleshooting
85330A Multiple Channel Controller 9-13
Service
Replaceable Parts
Replaceable Parts
This section contains information for ordering replaceable parts for the multiple channel switch system. The replaceable parts include major assemblies and chassis hardware.
Parts List Description
The following tables show the location and identification of replaceable parts. The list provides the following information:
1. Reference designator: identifies the part in the accompanying figure.
2. Agilent part number.
3. Part quantity as shown in the corresponding figure. (There may or may not be more of the same part elsewhere in the instrument.)
4. Part description, and identifying or functional name.
Ordering Information
To order a part, quote the Agilent part number, indicate the quantity required, and address the order to the nearest Agilent office.
To order a part that is not listed in the replaceable parts lists, include the instrument model number, complete serial number, the description and function of the part, and the number of parts required. Address the order to the nearest Agilent office.
Replaceable Parts
The multiple channel switch controller system consists of the following modules: mainframe and plug-in cards, switch control unit, RF switch, and interconnect cables. For information on replaceable parts for each module, see each of the following sections.
9-14 85330A Multiple Channel Controller
Service
Replaceable Parts
Figure 9-3 85330A System Identification Diagram
85330A Multiple Channel Controller 9-15
Mainframe, Plug-in
Cards
Service
Replaceable Parts
The mainframe consists of a E1301B VXI mainframe. For information of replaceable parts for this mainframe, see the “Replaceable Parts” chapter of the Agilent E1301B Service Manual.
Table 9-6 85330A Mainframe Replacement Parts
W1
F1
F2
F3
F4
A2
A3
U2
Reference
Designator
A1
Description
VXI Mainframe
Digital I/O Card for VXI Size B
85330-60002 Card
A3U2 PAL for 85330A standard
A3U2 PAL for 85330A H30
A2-A3 Ribbon Cable Assembly 0.45 m
Fuse 1A 125Vfor
+
5 Vdc int. bias
Fuse 4A 125V for
+
12 Vdc ext. bias
Fuse 1A 125V for
−
12 Vdc ext. bias
Fuse 3A 250V for 115 Vac operation
Downloadable Driver Disk, rev A.03.00
Rack mount kit without handles (Option 908)
Rack mount kit with handles (Option 913)
Agilent 85330A Operating and Service
Manual
E1301B Users Manual
E1301B Service Manual
E1330A/B Users Manual
E1330A/B Service Manual
Part Number
E1301B (Option 010)
E1330B
85330-60002
85330-80013
85330-80014
85330-60013
2110-0047
2110-0476
2110-0047
2110-0043
85330-10016
5062-3978
5962-3984
85330-90019
E1300-90005
E1300-90015
E1330-90004
E1330-90012
Qty.
1
1
1
1
1
2
1
1
1
9-16 85330A Multiple Channel Controller
Service
Replaceable Parts
Switch Control Unit
Table 9-7 85331/2 Switch Control Unit Replacement Parts
Reference
Designator
A5
A6
W6
2
3
Description
Address Decoder Module
Switch Driver Module
A5-A6 Ribbon Cable Assembly: if one A6 module -
If two or three A6 modules -
Screw M4 FH #2 Phillips: one driver module M45 two driver modules M80 three driver modules M110 -
Lid
Lid Label:
Standard -
Special -
Special -
Light Pipe
Light Pipe Shrink Tubing
Gasket Seal
Part Number
85331-60051
85331-60052
85331-60016
85331-60027
0515-2424
0515-2425
0515-2423
85331-20011
85331-80018
85331- 80019
85331-80020
85331-20005
0890-0029
0905-1154
Qty
1
1, 2, 3
1
4
1
1
9
1
1 per module
RF Switch
Table 9-8 85331/2 Switch Replacement Parts
Reference
Designator
A4
Description
A4
85331A 2P Switch 0.045 to 40 GHz (NEW)
(EXCHANGE)
85332A 4P Switch 0.045 to 40 GHz (NEW)
(EXCHANGE)
Part Number
85331-60031
85331-69031
85332-60001
85332-69001
Qty
1
1
85330A Multiple Channel Controller 9-17
Service
Replaceable Parts
Interconnect Cables
Table 9-9 Replacement Interconnect Cables for 85330/31/32
Reference
Designator
W2
Description Part Number
85383A Local Control Cable:
Option 002, 2 meters length -
Option 005, 5 meters length -
Option 010, 10 meters length -
Option 020, 20 meters length -
Option 030, 30 meters length -
Option 040, 40 meters length -
Option 050, 50 meters length -
85330-60020
85330-60018
85330-60019
85330-60011
85330-60023
85330-60024
85330-60021
W3 85383B Expansion Control Cable:
0.5 meters length 85331-60011
W4 85384A Switch Driver Cable:
Option 001, 1 meters length -
Option 002, 2 meters length -
Option 005, 5 meters length -
Option 010, 10 meters length -
85385A Remote Trigger Cable
1
85331-60025
85331-60026
85331-60021
85331-60022
W5
1. There is no replacement cable available. Cable must be repaired, instead of replaced.
9-18 85330A Multiple Channel Controller
CAUTION
Mainframe
NOTE
Service
Assembly and Disassembly
Assembly and Disassembly
The assemblies used in the multiple channel controller system are static sensitive. Use anti-static techniques when performing the following procedures. For example, wear an anti-static ground strap and work at a station equipped with an anti-static mat.
For assembly and disassembly information on the E1301B VXI mainframe, see the Service chapter in the E1301B Service Manual.
Disassembly
1. Turn OFF the ac power switch and remove ac power cable.
2. Loosen the six screws on the E1330 and 85330-60002 card assemblies.
3. Gently slide out both cards together.
4. Remove the ribbon cables from each board by pushing the locking tabs out of the way on each connector and lifting the ribbon connector out of the board connector.
Assembly
1. Make sure that the ac power switch is turned OFF and remove the ac power cable.
2. Ensure that the E1330B card is properly configured. Refer to
Card Configuration” on page 9-20 for more information.
3. Ensure that the 85330-60002 card is properly configured. Refer to
“E1330 Card Configuration” on page 9-20 for more information.
4. Fold the two ribbon cables like a fan.
5. Connect a ribbon cable to each panel connector on the E1330 with the ribbon cable pointed down.
6. Place the E1330 card on top of the 85330-60002 card.
7. Connect the other end of each ribbon cable to the circuit board connector P2 and P3 on the 85330-60002 card.
The cables should not be twisted or cross each other. They should lay flat between the two cards. Make sure that all four connectors are properly seated.
85330A Multiple Channel Controller 9-19
E1330 Card
Configuration
85330-60002 Card
Configuration
NOTE
Service
Assembly and Disassembly
8. Place the E1330 card on top of the 85330-60002 card and slide them into the mainframe.
9. Tighten all six screws.
Before installing a new E1330 card, make sure that it is configured correctly for the system that it will be installed in.
1. The LADDR (logical address) or SW1 should be set to:
Bit
Set
7
1
6
0
5
0
4
1
3
0
2
0
1
0
0
0
This sets the secondary GPIB address to 144. (The secondary address is the logical address divided by 8, which is 18.)
2. IRQ jumpers JM15 and JM16 are both set to position 1.
3. PULL UP MODE jumpers J51, J52, J53, and J54 are ENABLED.
4. FLG COMBINE jumpers should be empty, NO JUMPERS NEEDED.
Before installing a new 85330-60002 card, make sure that it is configured correctly for the system that it will be installed in.
1. Note that sockets J8, J9, and J10 are not normally used.
2. Insure that the correct fuses are installed in F1, F2, and F3. Refer to
Table 9-6 on page 9-16 for a list of these fuses.
3. Insure that the correct U2 PAL is installed. Refer to
correct part number.
4. Make sure that the card is set correctly for the system’s trigger (either positive or negative edged triggering).
Most positioner controllers put out a positive edged trigger, but most other trigger sources use a negative edged trigger. The default triggering is positive edged. To configure the triggering, refer to
Negative-Edge Event Triggers” on page 9-22 .
5. Make sure that the correct jumpers are set for internal or external dc bias. This sets the source of the RF switch dc bias (internal for a small number of switches, or external for a large number of switches.) The default is internally powered. To configure the power, see
“Switching from the Internal to External Power Supply” on page 9-24 .
9-20 85330A Multiple Channel Controller
Switch Control Unit
CAUTION
Service
Assembly and Disassembly
Disassembly
1. Remove the Local Control cable and Switch Drive cable.
2. Remove the four screws from the lid of the Switch Control Unit.
3. Pull the unit apart.
Be careful not to damage the gasket seal in each module.
4. Remove the ribbon cable from the Drive module and the Decoder module.
5. Do not change any switch settings in any of the modules!
Assembly
1. If you are installing a new Decoder or Driver module, the switches S1 and S2 must be set correctly. If you are replacing a module, set the switches for the same setting as the old module. If you are unsure, here arte the factory default settings:
❍
❍
The Decoder module switches are normally factory set to “all closed” for S1 and S2.
The Driver module switches are normally factory set to “all closed” for S1 and S2.
2. Check PAL U2 and U3 in sockets XU2 and XU3 on the Driver module.
The module should contain both PALs, unless there is more than one driver module. If the SCU has more than one driver module, then only the first (bottom) should have both XU2 and XU3 filled with a PAL. Any modules after the first should only have PAL U2 installed. Remove PAL
U3 from socket XU3 for these modules.
3. Make sure that the gasket seal is properly installed in each module housing.
4. Install the A5-A6 ribbon cable as follows: a.
Plug the 16 pin connector into the decoder board socket J3.
b.
Plug the 14 pin connector into the decoder board socket J4.
c.
Insert the free end of the cable with the 30-pin connector through the large notch in the driver board from the bottom.
d. Lower the Driver module onto the Decoder module, pulling the ribbon cable through the opening.
e.
Plug the 30 pin connector into the driver board socket J1.
f.
Pull the excess length of the ribbon cable up from the Decoder module into the Driver module. Fold the excess length of the cable over the top of the driver board.
85330A Multiple Channel Controller 9-21
Service
Adjustments
5. Place the lid (including the light pipes) onto the Driver module housing.
6. Screw the lid onto the housing. Tighten to about 7 in-lbs to insure that the SCU is environmentally sealed.
Adjustments
Selecting Positive or
Negative-Edge Event
Triggers
There are no adjustments that can be made in the mainframe, Digital I/O card, or the RF switch. Any other adjustments, or settings, that may be performed due to a part replacement or service, is shown below.
85330-60002 Card
By default, the positive-edge of the EVENT TRIG line starts the measurement on the 85330-60002 card. If this card is replaced, the EVENT
TRIG line may be required to be changed to a negative-edge trigger. To change this, perform the following procedure.
CAUTION This device contains devices that are sensitive to static discharge. When you remove the cover of this device, observe static safety precautions:
•
Place the unit on a grounded anti-static mat.
•
Wear a grounded wrist strap, or
•
Foot straps are only acceptable if you wear one on each foot, and if you are standing on a grounded floor mat.
See
9-22 85330A Multiple Channel Controller
Service
Adjustments
Figure 9-4 Positive/Negative-Edge EVENT TRIG jumpers
1. Remove the two screws that hold the E1330B board in place.
2. Remove the four screws that hold the 85330-60002 board in place.
3. Pull out the two boards at the same time. You can do this by pulling each one out a little at a time, until they are both removed. Place the boards on an anti-static surface.
Standard positive-edge operation is set at the factory by jumpering E9 and E10 together.
4. To select negative-edge operation, move the jumper across E9 and E8.
5. Reinstall the boards and screws.
Selecting the Multiple
Channel Controller’s
GPIB Address
The factory default setting of the GPIB address is 9. To view the GPIB address:
Press [Select Instr] {SYSTEM} {GPIB} {READ}
To change the current GPIB address:
1. Press [Select Instr] {SYSTEM} {GPIB} {SET} .
2. Enter the new address and press [Return] .
85330A Multiple Channel Controller 9-23
Switching from the
Internal to External
Power Supply
Service
Adjustments
This set of jumpers sets the 85330-60002 card to use in the internal VXI power supply to bias the remote RF switches and Switch Control Units, or to use the AUX POWER IN connector to bias the switches and SCUs. The internal power supply is used when there is few SCUs and RF switches. The
AUX POWER IN is used when there are a large number of switches and
SCUs, or if the switches require a special dc voltage, or to compensate for losses in a long Local Control Cable. The default is the internal power supply.
To set these jumpers, perform the following on the 85330-60002 card. This card must be removed before changing this switch. Refer to
Disassembly” on page 9-19 for information on removing the card.
1. Locate the jumpers W1 and W2 near the rear panel of the 85330-60002.
They will be next to the AUX POWER IN connector.
2. To set the card to the internal supply, the W1 jumper should go from
+12V to INT, and the W2 jumper should go from
−
12V to INT.
3. To set the card to the AUX POWER IN supply, the W1 jumper should go from +12V to AUX, and the W2 jumper should go from
−
12V to AUX.
Table 9-10 AUX Power In Connector Pinouts (as looking at rear of 85330-60002)
Pin 10
−
12 V
Pin 5
−
GND
Pin 9
+
12 V
Pin 4
+
GND
Pin 8
+
12 V
Pin 3
+
GND
Pin 7
+
12 V
Pin 2
+
GND
Pin 6
+
12 V
Pin 1
+
GND
Required Mating Connector
A Molex Mini-Fit Jr model 5557 (Molex p/n 39-01-2105) receptacle is required. At least three wire crimp terminals are required: 4.2 mm Pitch
Mini-Fit Family Terminal-crimp, Female model 5556 (Molex p/n
39-00-0059).
9-24 85330A Multiple Channel Controller
Service
Preventive Maintenance
Preventive Maintenance
Preventive maintenance for the multiple channel controller consists of cleaning various parts of the mainframe. The switch control unit and switches do not require preventive maintenance. Agilent recommends a twelve month interval between cleaning. However, cleaning intervals are mostly dependent upon where the mainframe is used. The mainframe should be cleaned more often if it is used in a dusty, or very humid area.
To perform the preventive maintenance, refer to the mainframe, Agilent
E1301B, Service Manual. The maintenance instructions are in the Operating
Instructions chapter.
85330A Multiple Channel Controller 9-25
Service
Preventive Maintenance
9-26 85330A Multiple Channel Controller
10
Accessory Documentation
Accessory Documentation
This blank section is supplied as a storage place for smaller documents related to 85330A accessories. The Agilent 85331A and Agilent 85332A
User’s Manual is an example of documents that may be stored here.
85330A Multiple Channel Controller 10-1
Accessory Documentation
10-2 85330A Multiple Channel Controller
A
Glossary
Glossary
a1
The reference IF channel of the 8530A. This channel can be used as a phase lock reference or a test channel.
a2
The test IF channel of the 8530A. This channel can be used as a phase lock reference or a test channel.
AUT
Antenna Under Test
b1
One of three test channels of the 8530A.
b2
One of three test channels of the 8530A.
Channel
Each switch module has either two or four possible switch positions, or channels.
Controller
The mode the 85330 operates in when it is controlling other 85330As.
Refer to “RUNTime:CONTroller” command on page 7-8 and
“Programming” for more information.
Direct Control
Direct control is where the host computer issues GPIB commands and the
85330A executes them immediately. For example, the ROUTe:CLOSe (port number) (switch address) command causes the 85330A to immediately change switch states. Use of such commands is referred to as direct control.
Fast CW Modes
Refer to the glossary entry for “Fast Data Acquisition Modes.”
85330A Multiple Channel Controller A-1
Glossary
Fast Data Acquisition Modes
Fast Data Acquisition modes (also called “Fast CW” modes) refer to a set of similar 8530A measurement modes where:
•
All data processing except averaging is suspended to provide fastest possible measurement speed.
•
All data is stored in a 100,000 point FIFO data buffer, which can be read by a computer controller.
As mentioned above, these modes are also referred to as the “Fast CW” modes. The term “Fast CW” is somewhat misleading, however, because with the proper equipment configuration, these modes can be used in multiple-frequency applications.
There are several versions of the Fast Data Acquisition feature; but for PIN switch applications, the recommended mode is the “Autoranged Data
Collection” mode ( FASAD ). This mode accepts sudden changes in input power by autoranging. The changes in power can span the entire dynamic range of the receiver. Refer to the Automated Measurements chapter in the
Agilent 8530A User’s Guide for a full description of this mode, including an
BASIC programming example.
Fast Source Control
Fast source control speeds up frequency switching speed in multiple-frequency measurements. It is only available in systems that use two sources. This mode uses TTL signals to increment RF and LO source frequency, providing faster frequency switching speeds than are possible under 8530A control. In the fast source control configuration, the system’s computer must set up the sources with appropriate frequency settings, triggering mode, and so on. When automatic run-time measurement mode is engaged, the 85330A automatically increments the RF and LO source frequencies using TTL lines. More information is provided in
“Programming.” When being controlled by a computer, the SCPI language
mode must be selected. This is shown in
85330A System
This term describes the following products, used together in a functional switch control system:
•
85330A multiple channel controller
•
One or more 85331A or 85332A pin switches (with supplied SCUs)
•
Attaching cables
A-2 85330A Multiple Channel Controller
Glossary
Insertion Loss
A transmission measurement determines how much RF energy is lost as it passes through the device under test (DUT). Energy loss is measured in units called “insertion loss” and is measured in dB units. It is important to be aware of transmission losses in the system so you will not attribute them to the antenna or device under test.
For example: If you send 0 dBm down a cable with 10 dB of insertion loss,
−
10 dBm will come out the other end.
LO/IF Unit
Name for the Agilent 85309A LO/IF Distribution Unit.
Operating Characteristic
The term “operating characteristic” refers to performance that is based on design parameters, but is not actually measured.
Port
One of the two control ports on the back of the multiple channel controller
(PORT 1 and PORT 2). Each port provides independent control over one or more SCU/switch module pairs. In standard systems, one of the following configurations is used:
•
Standard system with one SCU/switch module pair: The SCU can be connected to either port 1 or port 2.
•
Standard system with two SCU/switch module pairs: One SCU is connected to port 1, and the other is connected to Port 2.
Ratio
The default type of measurement made with the 8530A is a ratioed measurement. Ratioed measurements divide the test signal input by the reference signal input. (For example, selecting b1/a1 would divide the test signal at b1 by the reference signal at a1.) A ratioed measurement provides common-mode rejection of errors caused by the transmitter or transmit antenna.
Receive Switch
Any switch set up on the receiver-side of the range. This is the switch that you have set up to select different antennas under test, or different polarity outputs from the same antenna, and so on.
Receiver
The 8530A. The 8530A receives the IF signal, digitizes it and processes the digital signals.
85330A Multiple Channel Controller A-3
Glossary
Receiver System
All of the instruments in the system that act as the RF downconverter and IF receiver.
Remote 1
The mode a 85330 operates in when it is being controlled by another
85330A in the Controller mode. Refer to “RUNTime: CONTroller” command and
Chapter 6, “Programming” for more information.
Remote 2
The mode a 85330 operates in when it is being controlled by another
85330A in the Controller mode.
Refer to “RUNTime:CONTroller” command on page 7-8
and
for more information.
Return Loss
Reflection measurements determine how much RF energy bounces off of a cable connector or the input of a device. This reflected energy is measured in
“return loss” units. Reflected energy travels back toward the RF source.
For example. If you send a 0 dBm signal into a cable with 14 dB of return loss, a lower-level signal (
−
14 dBm) will reflect off the input of the cable and travel back toward the source. A low return loss value is bad because it shows that too much power is being reflected back out of the system. This indicates a bad connection somewhere in the system.
Run-Time
Refer to “Run-Time Control Mode.”
Run-Time Control Mode
This is an automatic mode where the 85330A can be pre-programmed to run a measurement. Using GPIB commands, the 85330A must set up prior to run-time. Then, an GPIB command is issued to pass run-time control to the
85330A. Refer to
Chapter 6, “Programming” for details.
SCU
Refer to
“Switch Control Unit” on page A-5.
SCU Address
Each Switch Control Unit can be assigned a unique address called an SCU address. When commands are sent to the SCUs, they only affect SCUs with the specified SCU address. SCU addresses are set using DIP switches inside the SCU, and can be set to 0, 1, 2, or 3. The factory default setting is 0. If you daisy-chain several SCUs together, they may use the same SCU address.
A-4 85330A Multiple Channel Controller
Glossary
Standard System
A “standard system” uses one 85330A with one or two switch control units, each with a two-throw or four-throw switch module. Remember that 85330A
PORT 1 and PORT 2 are addressed independently. So:
•
If you have two SCUs, both can use the default SCU address (0).
•
You can use the default channel numbers (1 through 4) for both switch modules. Since each SCU is on a different port, and each port is addressed independently, there is no channel number conflict.
Switch Control Unit
Each switch control unit (SCU) provides bias and switch control of one switch module. Each SCU contains a decoder board, which allows you to set the SCU to a unique SCU address from 0 to 3 using DIP switches. The factory default setting is 0.
Switch Address
This is the complete software address for a specific switch. It is simply a concatenation of the SCU address (0, 1, 2, or 3) with the channel number
(usually 1, 2, 3, or 4, but possibly a number up to 64).
Examples:
@2 = SCU address is 0 (and need not be specified), and channel 2 is selected.
@103 = SCU address 1 and channel 3 selected (usually a custom system).
@232 = SCU address is 2 and channel 32 is selected (custom systems only).
Switch Module
The single-pole two-throw (SP2T) or single-pole four-through (SP4T) RF switch. The switch module is controlled by a Switch Control Unit.
Typical
When a specification is noted as being typical it means that most units exhibit the stated performance, but not all. For this reason, the specification in not guaranteed by Agilent Technologies. Generally, typical specifications are provided for non-critical performance categories.
85330A Multiple Channel Controller A-5
Glossary
A-6 85330A Multiple Channel Controller
Index
Numerics
85330A
85383A remote trigger cable, 4-6
85394A switch driver cable, 4-6
A
angle scan measurements using TTL triggering, 6-12
C
changing TTL state of AUX 1 and AUX 2, 5-6
chart of run-time measurement sequence, 6-16
choosing a measurement configuration, 6-3
compatible LO sources, 4-15 compatible RF sources, 4-15
control
setting a desired switch state, 6-9
D definition of
85330A Multiple Channel Controller
b2, A-11 channel, A-11 controller, A-11 direct control, A-11 fast CW modes, A-11
remote 1, A-14 remote 2, A-14 return loss, A-14 run-time, A-14 run-time control mode, A-14
difinition of
downloadable driver, for 85330A,loading, 1-6
driver(downloadable)
dual source multiple frequency measurements, 6-7
E
event trigger
changing to positive or negative edge trigger, 9-22
negative edge operation, 1-8 positive edge operation, 1-8
Index-1
F
fast data acquisition modes, A-12
frequency response measurements using IMM triggering, 6-12
front panel features, 4-11, 5-2
G
GPIB commands
ROUT
RUNTime, 7-7, 7-8, 7-9, 7-10, 7-11, 7-12, 7-13, 7-14, 7-15,
I
installation
85330A
installing
85330A, 1-2 choosing configuration, 1-2
L loading
85330A
M
measurement sequence of run-time mode, 6-14
N
negative-edge TTL trigger operation, 4-12
number of angular increments for run-time mode, 6-12
O
P
ROUTe
RUNTime, 7-7, 7-8, 7-9, 7-10, 7-11, 7-12, 7-13, 7-14, 7-15,
programming operations summary, 6-1
R
RCVR TRIG, 4-12 rear panel features, 4-12
recommended test equipment, 9-8
EVENT
EVENt
INITiate
SOURce
SOURCE1
SOURCE2
SWITch
TIMEout
run-time control
flow chart of measurement sequence, 6-16
Index-2 85330A Multiple Channel Controller
number of angular increments (events), 6-12 number of frequency points, 6-12
S
sending trigger pulses manually, 5-7
service assembly/disassembly, 9-19
single source 8511A/B based, 6-5 single source multiple frequency, 6-5
SRC 1
SRC 2
supplied equipment and software, 4-8
switch settling time for run-time mode, 6-13
switch states for run-time mode, 6-12
switching to AUX POWER IN bias, 9-24 switching to internal bias, 9-24
T
testing the 85330A for proper operation, 3-1
U
V
viewing the revision of downloaded driver, 5-6
85330A Multiple Channel Controller Index-3
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Key Features
- Single-channel, 20-MHz arbitrary waveform generator
- Built-in function generator with 13 standard waveforms
- Arbitrary waveform storage and recall
- Built-in counter/timer
- GPIB and RS-232 interfaces
- Easy-to-use front panel and software
- Compact and portable
- Affordable
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Frequently Answers and Questions
What is the frequency range of the 54503A?
What is the maximum output voltage of the 54503A?
What types of waveforms can the 54503A generate?
How many channels does the 54503A have?
What is the maximum sample rate of the 54503A?
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