Agilent Technologies | HP 70903A IF SECTION | Technical data | Agilent Technologies HP 70903A IF SECTION Technical data

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HP References in this Manual
This manual may contain references to HP or Hewlett-Packard. Please note that
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current name/number is now Agilent XXXX. For example, model number
HP8648A is now model number Agilent 8648A.
Installation and Verification Manual
HP 70907A/B
External Mixer Interface
ABCDE
HP Part No. 70907-90029
Printed in USA
September 1999
Notice
The information contained in this document is subject to change without notice.
Hewlett-Packard makes no warranty of any kind with regard to this material, including,
but not limited to, the implied warranties of merchantability and tness for a particular
purpose. Hewlett-Packard shall not be liable for errors contained herein or for incidental or
consequential damages in connection with the furnishing, performance, or use of this material.
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.
c Copyright Hewlett-Packard Company 1990, 1999
All Rights Reserved. Reproduction, adaptation, or translation without prior written
permission is prohibited, except as allowed under the copyright laws.
1400 Fountaingrove Parkway, Santa Rosa, CA 95403-1799, USA
Certification
Hewlett-Packard Company certies that this product met its published specications at the
time of shipment from the factory. Hewlett-Packard further certies that its calibration
measurements are traceable to the United States National Institute of Standards and
Technology, to the extent allowed by the Institute's calibration facility, and to the calibration
facilities of other International Standards Organization members.
Warranty
This Hewlett-Packard instrument product is warranted against defects in material and
workmanship for a period of one year from date of shipment. During the warranty period,
Hewlett-Packard Company will, at its option, either repair or replace products which prove to
be defective.
For warranty service or repair, this product must be returned to a service facility designated
by Hewlett-Packard. Buyer shall prepay shipping charges to Hewlett-Packard and
Hewlett-Packard shall pay shipping charges to return the product to Buyer. However, Buyer
shall pay all shipping charges, duties, and taxes for products returned to Hewlett-Packard
from another country.
Hewlett-Packard warrants that its software and rmware designated by Hewlett-Packard for
use with an instrument will execute its programming instructions when properly installed on
that instrument. Hewlett-Packard does not warrant that the operation of the instrument, or
software, or rmware will be uninterrupted or error-free.
Limitation of Warranty
The foregoing warranty shall not apply to defects resulting from improper or inadequate
maintenance by Buyer, Buyer-supplied software or interfacing, unauthorized modication or
misuse, operation outside of the environmental specications for the product, or improper
site preparation or maintenance.
NO OTHER WARRANTY IS EXPRESSED OR IMPLIED. HEWLETT-PACKARD
SPECIFICALLY DISCLAIMS THE IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS FOR A PARTICULAR PURPOSE.
Exclusive Remedies
THE REMEDIES PROVIDED HEREIN ARE BUYER'S SOLE AND EXCLUSIVE
REMEDIES. HEWLETT-PACKARD SHALL NOT BE LIABLE FOR ANY DIRECT,
INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WHETHER
BASED ON CONTRACT, TORT, OR ANY OTHER LEGAL THEORY.
Assistance
Product maintenance agreements and other customer assistance agreements are available for
Hewlett-Packard products.
For any assistance, contact your nearest Hewlett-Packard Sales and Service Oce.
iii
Safety Symbols
The following safety symbols are used throughout this manual. Familiarize yourself with each
of the symbols and its meaning before operating this instrument.
CAUTION
WARNING
The CAUTION sign denotes a hazard. It calls attention to a procedure
which, if not correctly performed or adhered to, could result in damage to
or destruction of the product or the user's work. Do not proceed beyond a
CAUTION sign until the indicated conditions are fully understood and met.
The
WARNING
sign denotes a hazard. It calls attention to a procedure which,
if not correctly performed or adhered to, could result in injury to the user. Do
not proceed beyond a
WARNING
sign until the indicated conditions are fully
understood and met.
DANGER
The
DANGER sign denotes an imminent hazard to people.
It warns the reader
of a procedure which, if not correctly performed or adhered to, could result
in injury or loss of life. Do not proceed beyond a
DANGER sign until the
indicated conditions are fully understood and met.
iv
General Safety Considerations
WARNING
The instructions in this document are for use by qualified personnel only. To
avoid electrical shock, do not perform any servicing unless you are qualified
to do so.
The opening of covers or removal of parts is likely to expose dangerous
voltages. Disconnect the instrument from all voltage sources while it is being
opened.
The power cord is connected to internal capacitors that may remain live for
five seconds after disconnecting the plug from its power supply.
This is a Safety Class 1 Product (provided with a protective earthing ground
incorporated in the power cord). The mains plug shall only be inserted in a
socket outlet provided with a protective earth contact. Any interruption of the
protective conductor inside or outside of the instrument is likely to make the
instrument dangerous. Intentional interruption is prohibited.
For continued protection against fire hazard, replace fuse only with same
type and ratings, (type nA/nV). The use of other fuses or materials is
prohibited.
WARNING
Before this instrument is switched on, make sure it has been properly
grounded through the protective conductor of the ac power cable to a socket
outlet provided with protective earth contact.
Any interruption of the protective (grounding) conductor, inside or outside
the instrument, or disconnection of the protective earth terminal can result in
personal injury.
Before this instrument is switched on, make sure its primary power circuitry
has been adapted to the voltage of the ac power source.
Failure to set the ac power input to the correct voltage could cause damage
to the instrument when the ac power cable is plugged in.
v
Contents
1. General Information
Manual Conventions . . . . . . . . . . . . . . .
Module Description . . . . . . . . . . . . . . .
Firmware Compatibility . . . . . . . . . . . . .
HP 70907A Requirements . . . . . . . . . . .
HP 70907B Requirements . . . . . . . . . . .
LO Firmware Version 860203 or Earlier . . . .
LO Firmware Version From 861015 to 880901 . .
Module Options . . . . . . . . . . . . . . . .
HP 70907A . . . . . . . . . . . . . . . . .
HP 70907B . . . . . . . . . . . . . . . . . .
Safety Considerations . . . . . . . . . . . . . .
Modules Covered by Manual . . . . . . . . . . .
Serial Numbers . . . . . . . . . . . . . . . .
Initial Inspection . . . . . . . . . . . . . . . .
Accessories . . . . . . . . . . . . . . . . . . .
Front- and Rear-Panel Features . . . . . . . . . .
Status and Error LEDs . . . . . . . . . . . .
Front-Panel Inputs and Outputs . . . . . . . .
Module Latch . . . . . . . . . . . . . . . .
Rear-Panel Inputs and Outputs . . . . . . . . .
Electrostatic Discharge Information . . . . . . . .
Reducing ESD Damage . . . . . . . . . . . .
PC Board Assemblies and Electronic Components
Test Equipment . . . . . . . . . . . . . . .
Static-Safe Accessories . . . . . . . . . . . . .
Returning Instruments for Service . . . . . . . . .
Sales and Service Oces . . . . . . . . . . . . .
2. Installation
Addressing the Module . . . . . . . .
Determining the HP-MSIB Address . .
Setting the HP-MSIB Address Switches
Installing the Module in the Mainframe .
Connecting the Rear-Panel Cables . . .
Checking Module Operation . . . . . .
Examining the Front-Panel LEDs . . .
Checking for Error Messages . . . . .
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1-1
1-2
1-2
1-2
1-2
1-2
1-2
1-3
1-3
1-3
1-3
1-4
1-4
1-4
1-5
1-6
1-6
1-6
1-6
1-8
1-10
1-10
1-10
1-11
1-12
1-13
1-15
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2-2
2-2
2-3
2-4
2-5
2-7
2-7
2-7
Contents-1
3. Specications
HP 70907A Module Specications and Characteristics
Front-Panel Inputs and Outputs . . . . . . . .
Rear-Panel Inputs and Outputs . . . . . . . . .
LO IN . . . . . . . . . . . . . . . . . . .
LO OUT . . . . . . . . . . . . . . . . . .
TUNE SPAN . . . . . . . . . . . . . . . .
321.4 MHz OUT . . . . . . . . . . . . . .
300 MHz OUT . . . . . . . . . . . . . . .
300 MHz IN . . . . . . . . . . . . . . . .
21.4 MHz OUT . . . . . . . . . . . . . . .
21.4 MHz IN . . . . . . . . . . . . . . . .
General Specications and Characteristics . . . .
HP 70907B Module Specications and Characteristics
Front-Panel Inputs and Outputs . . . . . . . .
Rear-Panel Inputs and Outputs . . . . . . . . .
LO IN . . . . . . . . . . . . . . . . . . .
LO OUT . . . . . . . . . . . . . . . . . .
TUNE SPAN . . . . . . . . . . . . . . . .
321.4 MHz OUT . . . . . . . . . . . . . .
300 MHz OUT . . . . . . . . . . . . . . .
300 MHz IN . . . . . . . . . . . . . . . .
21.4 MHz OUT . . . . . . . . . . . . . . .
21.4 MHz IN . . . . . . . . . . . . . . . .
General Specications and Characteristics . . . .
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3-2
3-2
3-2
3-2
3-2
3-2
3-2
3-2
3-2
3-3
3-3
3-3
3-4
3-4
3-4
3-4
3-4
3-4
3-4
3-4
3-4
3-5
3-5
3-5
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5-1
5-1
5-2
5-2
5-2
4. Verication
5. Troubleshooting
Front-Panel LEDs . . . . .
Error Messages . . . . . .
Usage/Operating Errors .
Hardware Warning Errors
Hardware Broken Errors .
Index
Contents-2
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Figures
1-1.
1-2.
1-3.
1-4.
1-5.
2-1.
2-2.
2-3.
2-4.
Typical Serial Number Label . . . . . . . . . . . . . .
HP 70907A and HP 70907B Front-Panel Features . . . . .
HP 70907A/B Rear-Panel Features . . . . . . . . . . .
Static-Safe Work Station . . . . . . . . . . . . . . . .
Packaging Materials for Modules . . . . . . . . . . . .
Address Map for an EMIM in an HP 71210C System . . .
HP 70907A/B Address Switches . . . . . . . . . . . .
Module Installation in Mainframe . . . . . . . . . . . .
Rear-Panel Cabling for an EMIM in an HP 71210C System
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1-4
1-7
1-9
1-10
1-14
2-2
2-3
2-4
2-6
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1-5
1-12
1-16
2-3
Tables
1-1.
1-2.
1-3.
2-1.
Accessories Shipped when the Module is Ordered Separately
Static-Safe Accessories . . . . . . . . . . . . . . . . .
Hewlett-Packard Sales and Service Oces . . . . . . . .
Decimal Equivalents of Row and Column Address Switches .
Contents-3
1
General Information
The HP 70907A/B External Mixer Interface Installation and Verication Manual contains
information needed to install the HP 70907A/B External Mixer Interface module (EMIM)
into an HP 70000 Series system and then check basic module operation. For information on
installing and verifying HP 70000 Modular Measurement Systems, refer to the Installation and
Verication Manual for the system master (for example, HP 70900B Local Oscillator).
This manual contains the following ve chapters:
Chapter 1, \General Information," describes the module and its accessories, gives
electrostatic discharge and packaging information, and lists Hewlett-Packard Sales and
Service Oces.
Chapter 2, \Installation," provides information for conguring and installing the module in
an HP 70000 Modular Measurement System.
Chapter 3, \Specications," lists module specications and characteristics that apply to
the HP 70907A/B. (System specications that will be modied when the HP 70907A/B
is added to a system are documented in the Installation and Verication Manual for the
system master.)
Chapter 4, \Verication," contains information about the tests needed to verify the
specications.
Chapter 5, \Troubleshooting," explains the most probable causes of the front-panel
status and error LEDs' lighting, and lists the error codes that can be generated by the
HP 70907A/B module.
Manual Conventions
The following descriptions are used throughout this manual:
Keys physically on an instrument are represented in the following way:
Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4KEY5
Softkeys, keys dened by software or rmware, are represented in the following way:
Softkey . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . softkey
Text that appears on the display screen is represented in the following way:
Screen text . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . screen text
NNNNNNNNNNNNNNNNNNNNNNN
General Information
1-1
Module Description
Both the HP 70907A and the HP 70907B External Mixer Interface modules (EMIMs)
are 1/8-width modules designed to plug into HP 70000 Modular Measurement System
mainframes. The modules are slaves controlled by an HP 70000 Modular Measurement
System master element such as the HP 70900B Local Oscillator.
Both EMIMs allow HP 70000 Modular Measurement systems to operate with the HP 11970
Series of external mixers. The HP 70907B also allows operation with the HP 11974 Series of
preselected millimeter-wave front ends. At turn on, the system master sets the HP 70907B
default state to PRESEL ON , resulting in a sweeptime that is slow enough for the internal
preselector-magnetics in an HP 11974 Series front end. If the HP 70907B is used with an
external mixer from the HP 11970 Series, PRESEL OFF can be selected to tell the system
master to sweep faster.
NNNNNNNNNNNNNNNNNNNNNNNNNNNNN
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Firmware Compatibility
HP 70907A Requirements
For the HP 70907A to function properly in an HP 70000 Modular Measurement System, the
HP 70900 local oscillator (LO) must have a rmware version of 860203 or later. If the LO
rmware version is 850730, a controller board/rmware-upgrade kit can be ordered (HP part
number 70900-60137).
HP 70907B Requirements
For the HP 70907B to function properly in an HP 70000 Modular Measurement System, the
HP 70900 local oscillator (LO) must have a rmware version of 890606 or later.
LO Firmware Version 860203 or Earlier
If the HP 70900 local oscillator rmware version is 860203 or earlier, an LO controller
board/rmware-upgrade kit (HP part number 70900-60137) can be ordered. If HP 70907B
Option 098 is ordered, this controller board/rmware-upgrade kit is included.
LO Firmware Version From 861015 to 880901
If the HP 70900 local oscillator rmware version is from 861015 to 880901, an LO
rmware-upgrade kit (HP part number 70900-60138) can be ordered. If HP 70907B
Option 099 is ordered, this rmware-upgrade kit is included.
1-2
General Information
Module Options
HP 70907A
The HP 70907A has the following module options:
Option 910
This option adds another HP 70907A/B External Mixer Interface Installation
and Verication Manual .
Option 915
This option adds the module service documentation and module verication
software.
HP 70907B
The HP 70907B has the following module options:
Option 098
This option adds the LO controller board/rmware-upgrade kit. Refer to
\Firmware Compatibility" above for information about which LO rmware
versions are needed for compatibility with the 70907B module.
This option adds the LO rmware-upgrade kit. Refer to \Firmware
Option 099
Compatibility" above for information about which LO rmware versions are
needed for compatibility with the 70907B module.
This option adds another HP 70907A/B External Mixer Interface Installation
Option 910
and Verication Manual .
This option adds the module service documentation and module verication
Option 915
software.
Safety Considerations
Before operating this module, familiarize yourself with any safety markings on the module
and the safety instructions in this manual. This module has been manufactured and tested
according to international safety standards. However, to ensure safe operation of the module
and personal safety of the user and service personnel, the cautions and warnings in this
manual must be followed. Refer to the summary of safety considerations at the front of this
manual.
General Information
1-3
Modules Covered by Manual
Serial Numbers
Attached to the front frame of the module is a serial-number label. The serial number is in
two parts. The rst four digits and letter are the serial number prex; the last ve digits are
the sux. See Figure 1-1. The prex is the same for all identical modules; it only changes
when a change is made to the module. The sux, however, is assigned sequentially and is
dierent for each module. The contents of this manual apply to modules with the serial
number prexes listed under \Serial Numbers" on the manual title page.
Figure 1-1. Typical Serial Number Label
Initial Inspection
Inspect the shipping container for damage. If the shipping container or cushioning material
is damaged, it should be kept until the contents of the shipment have been checked for
completeness and the module has been checked mechanically and electrically. Refer to
\Accessories" below to nd out what is shipped with the HP 70907A/B.
If the shipping contents are not complete, or the module does not pass the verication
procedures (refer to Chapter 4), notify the nearest Hewlett-Packard oce. If the shipping
container is damaged, or the cushioning material shows signs of stress, notify the carrier as
well as the Hewlett-Packard oce. Keep the shipping materials for the carrier's inspection.
The Hewlett-Packard oce will arrange for repair or replacement without waiting for claim
settlement.
1-4
General Information
Accessories
The HP 70907A/B External Mixer Interface module may be ordered separately or as part
of a precongured HP 70000 Modular Measurement System. When ordered as part of a
precongured system, the modules come with cables that match the factory conguration.
When the modules are ordered separately, they are shipped with a group of accessories (refer
to Table 1-1) that allow the most common system congurations.
The accessories in this table are those available at the print date of this manual. For a list
of available system cables, refer to the Installation and Verication Manual for the system
master.
The information in the \L/R" column of the table refers to signal ow \out" to \in" as viewed
from the front panel. For example, if the signal source is to the left of the signal destination
when viewed from the front panel, a \L to R" cable is needed. Bends in the semirigid cables
make this distinction necessary.
Table 1-1. Accessories Shipped when the Module is Ordered Separately
Accessory
1/8-Width
L/R
Spans
Semirigid coax LO cable, SMA (m) to SMA (m)
Flexible coax LO cable, SMA (m) to SMA (m),
52 cm (20 in)
Flexible coax cable, SMB (f) to SMB (f)
Flexible coax cable, SMB (f) to SMB (f)
Flexible coax cable, SMB (f) to SMB (f)
Quantity
HP
Shipped
Part Number
1
n/a
L to R
n/a
1
1
5021-5448
5061-9038
1
3
7
n/a
n/a
n/a
3
1
1
5061-9015
5061-9017
5061-9021
General Information
1-5
Front- and Rear-Panel Features
Figures 1-2 and 1-3 show the HP 70907A/B front- and rear-panel features.
Status and Error LEDs
Both of the front-panel LEDs ash on, then o again, during the module's self-test. Listed
below are the other reasons for each LED to light. For troubleshooting information, refer to
Chapter 5.
ACT The ACT (active) LED lights when the module has an active keyboard link to an
HP 70000 Modular Measurement System master and is being activated by that master.
If there is no display in the system, the ACT LED will not light even if the previous
requirements are met.
ERR The ERR (error) LED lights when an error condition exists.
Front-Panel Inputs and Outputs
PRESEL TUNE/SPAN This BNC (f) connector is only present in HP 70907B modules.
This connector provides a dc voltage which drives the preselector in
the HP 11974 Series external mixer.
MIXER BIAS OUT
This SMA female connector provides the bias output for external
or MIXER BIAS
mixers that require bias.
This SMA female connector provides the LO signal required by the
LO OUTPUT
external mixer.
This SMA female connector receives the input from the IF port of
IF INPUT
the external mixer.
Module Latch
When the module is being installed in or removed from an HP 70000 Modular Measurement
System mainframe, an 8 mm hex-ball driver is used to turn the module latch.
1-6
General Information
Figure 1-2. HP 70907A and HP 70907B Front-Panel Features
General Information
1-7
Rear-Panel Inputs and Outputs
LO IN
This SMA female connector is normally connected to the LO OUT on
the HP 70900 local oscillator.
LO OUT
This SMA female connector is normally terminated in 50
.
TUNE SPAN
This SMB male connector is normally connected to the TUNE SPAN on
the HP 70900 local oscillator.
321.4 MHz OUT This SMB male connector supplies an auxiliary IF output. This
connector is not normally used.
300 MHz OUT
This SMB male connector is for use with system congurations using
additional front-end modules.
300 MHz IN
This SMB male connector is normally connected to the 300 MHz OUT
on the HP 70900 local oscillator.
21.4 MHz OUT
This SMB male connector normally connects to the 21.4 MHz IN on the
IF section.
This SMB male connector is for use with system congurations using
21.4 MHz IN
additional front-end modules.
Mainframe/Module This multiple-pin connector plugs into the mainframe and provides the
Interconnect
power supplies and Hewlett-Packard Modular System Interface Bus
(HP-MSIB) for the module.
1-8
General Information
Figure 1-3. HP 70907A/B Rear-Panel Features
General Information
1-9
Electrostatic Discharge Information
Electrostatic discharge (ESD) can damage or destroy electronic components. Therefore,
all work performed on assemblies consisting of electronic components should be done at a
static-safe work station.
Figure 1-4 shows an example of a static-safe work station. Two types of ESD protection are
shown: (a) conductive table mat and wrist strap combination, and (b) conductive oor mat
and heel strap combination. The two types must be used together to ensure adequate ESD
protection. Refer to Table 1-2 for a list of static-safe accessories and their part numbers.
Figure 1-4. Static-Safe Work Station
Reducing ESD Damage
Below are suggestions that may help reduce the amount of ESD damage that occurs during
testing and servicing instruments.
PC Board Assemblies and Electronic Components
Handle these items at a static-safe work station.
Store or transport these items in static-shielding containers.
1-10
General Information
Caution
Do not use erasers to clean the edge-connector contacts. Erasers generate
static electricity and degrade the electrical quality of the contacts by removing
the thin gold plating.
Do not use paper of any kind to clean the edge-connector contacts. Paper
or lint particles left on the contact surface can cause intermittent electrical
connections.
Do not touch the edge-connector contacts or trace surfaces with bare hands.
Always handle board assemblies by the edges.
PC board assembly edge-connector contacts may be cleaned by using a lint-free cloth with a
solution of 80% electronics-grade isopropyl alcohol and 20% deionized water. This procedure
should be performed at a static-safe work station.
Test Equipment
Before connecting any coaxial cable to an instrument connector for the rst time each day,
momentarily short the center and outer conductors of the cable together.
Personnel should be grounded with a resistor-isolated wrist strap before touching the center
pin of any connector and before removing any assembly from the instrument.
Be sure that all instruments are properly earth-grounded to prevent buildup of static
charge.
General Information
1-11
Static-Safe Accessories
Table 1-2. Static-Safe Accessories
Accessory
Description
HP Part Number
Static-control mat and ground
wire
Wrist-strap cord
Wrist strap
ESD heel strap
Hard-surface static-control mat*
Soft-surface static-control mat*
Tabletop static-control mat*
Antistatic carpet*
Set includes:
9300-0797
3M static-control mat, 0.6m
(2 ft 2 4 ft)
2 1.2m
ground wire, 4.6m (15 ft)
(The wrist strap and wrist-strap cord are
not included. They must be ordered
separately.)
1.5m (5 ft)
Black, stainless steel with four adjustable
links and 7-mm post-type connector (The
wrist-strap cord is not included.)
Reusable 6 to 12 months
Large, black, 1.2m 2 1.5m (4 ft 2 5 ft)
Small, black, 0.9m 2 1.2m (3 ft 2 4 ft)
Brown, 1.2m 2 2.4m (4 ft 2 8 ft)
58 cm 2 76 cm (23 in. 2 30 in.)
Small, 1.2m 2 1.8m (4 ft 2 6 ft)
natural color
russet color
Large, 1.2m 2 2.4m (4 ft
natural color
russet color
2 8 ft)
9300-0980
9300-1383
9300-1169
92175A
92175C
92175B
92175T
92176A
92176C
92176B
92176D
*These accessories can be ordered either through a Hewlett-Packard Sales Oce or through
HP DIRECT Phone Order Service. In the USA, the HP DIRECT phone number is (800)
538-8787. Contact your nearest Hewlett-Packard Sales Oce for more information about HP
DIRECT availability in other countries.
1-12
General Information
Returning Instruments for Service
The original shipping containers and materials, or the equivalent, must be used when
repackaging the mainframe with modules, or modules alone. Packaging materials identical to
the original factory packaging (see Figure 1-5) can be purchased through any Hewlett-Packard
oce. However, if these shipping materials are not available, instruments can be repackaged
for shipment using the information below.
Caution
Instrument damage can result from using packaging materials other the
original shipping materials or equivalent. Never use styrene pellets as
packaging materials. They do not adequately cushion the instrument or
prevent it from shifting in the carton. They cause instrument damage by
generating static electricity.
Use the following procedure to prepare the instrument for shipment:
1. Fill out a blue repair card (located at the end of this manual) and attach it to the
instrument. Also send copies of any error messages and performance data recorded for the
instrument. If a blue repair card is not available, send the following information with the
returned instrument:
a. Type of service required.
b. Description of the problem; state if the problem is constant or intermittent.
c. Name and phone number of technical contact person.
d. Return address.
e. Model number of returned instrument.
f. Full serial number of returned instrument.
g. List of any accessories returned with instrument.
2. Pack the instrument in the original shipping materials (or the equivalent). However, if
these are not available, instruments can be repackaged for shipment using the following
instructions.
a. Wrap the instrument in antistatic plastic to reduce the possibility of ESD-caused
damage.
b. For instruments that weigh less than 54 kg (120 lb), use a double-walled, corrugated
cardboard carton of 159 kg (350 lb) test strength. The carton must be large enough and
strong enough to accommodate the instrument. Allow at least 3 to 4 inches on all sides
of the instrument for packing material.
c. Surround the equipment with 3 to 4 inches of packing material to protect the
instrument and prevent it from moving in the carton. If packing foam is not available,
the best alternative is S.D.-240 Air CapTM from Sealed Air Corporation (Commerce,
California 90001). Air Cap is a plastic sheet lled with 1-1/4 inch air bubbles. Use the
pink (antistatic) Air Cap to reduce static electricity. Wrapping the instrument several
times in this material should both protect the instrument and prevent it from moving in
the carton.
3. Seal the carton with strong nylon adhesive tape.
4. Mark the carton \FRAGILE, HANDLE WITH CARE."
5. Retain copies of all shipping papers.
General Information
1-13
Item
HP Part Number
Qty
1
2
3
4
5
9211-5118
9211-5119
5180-2369
4208-0493
5180-2370
1
1
1
2
2
&sigspace;
Description
Carton-Outer
Carton-Inner
Carton-Slider
Foam Insert
Foam Pad
Figure 1-5. Packaging Materials for Modules
1-14
General Information
Sales and Service Offices
Hewlett-Packard sales and service oces provide complete support for Hewlett-Packard
products. To obtain servicing information, or to order replacement parts, contact the nearest
Hewlett-Packard Sales and Service Oce listed in Table 1-3.
In any correspondence, be sure to include the pertinent information about model numbers,
serial numbers, or assembly part numbers.
General Information
1-15
Table 1-3. Hewlett-Packard Sales and Service Offices
IN THE UNITED STATES
IN AUSTRALIA
Hewlett-Packard Australia Ltd.
Hewlett-Packard Co.
31-41 Joseph Street
1421 South Manhattan Ave. Blackburn, Victoria 3130
P.O. Box 4230
895-2895
Fullerton, CA 92631
(714) 999-6700
IN CANADA
Hewlett-Packard (Canada) Ltd.
Hewlett-Packard Co.
17500 South Service Road
301 E. Evelyn
Trans-Canada Highway
Mountain View, CA 94039 Kirkland, Quebec H9J 2X8
(415) 694-2000
(514) 697-4232
California
Colorado
IN FRANCE
Hewlett-Packard Co.
24 Inverness Place, East
Englewood, CO 80112
(303) 649-5000
Hewlett-Packard France
F-91947 Les Ulis Cedex
Orsay
(6) 907-78-25
Georgia
IN GERMAN FEDERAL
Illinois
Hewlett-Packard GmbH
Vertriebszentrale Frankfurt
Berner Strasse 117
Postfach 560 140
D-6000 Frankfurt 56
(0611) 50-04-1
IN JAPAN
Yokogawa-Hewlett-Packard Ltd.
29-21 Takaido-Higashi, 3 Chome
Suginami-ku Tokyo 168
(03) 331-6111
IN PEOPLE'S REPUBLIC
OF CHINA
China Hewlett-Packard, Ltd.
P.O. Box 9610, Beijing
4th Floor, 2nd Watch Factory
Main Bldg.
Shuang Yu Shu, Bei San Huan Rd.
Beijing, PRC
256-6888
IN SINGAPORE
Hewlett-Packard Co.
2000 South Park Place
P.O. Box 105005
Atlanta, GA 30339
(404) 955-1500
REPUBLIC
Hewlett-Packard Co.
IN GREAT BRITAIN
5201 Tollview Drive
Rolling Meadows, IL 60008 Hewlett-Packard Ltd.
King Street Lane
(312) 255-9800
Winnersh, Wokingham
Berkshire RG11 5AR
New Jersey
Hewlett-Packard Co.
0734 784774
120 W. Century Road
Paramus, NJ 07653
IN OTHER EUROPEAN
(201) 265-5000
COUNTRIES
Hewlett-Packard (Schweiz) AG
Allmend 2
Texas
CH-8967 Widen (Zurich)
Hewlett-Packard Co.
(0041) 57 31 21 11
930 E. Campbell Rd.
Richardson, TX 75081
(214) 231-6101
1-16
General Information
Hewlett-Packard Singapore
Pte. Ltd.
1150 Depot Road
Singapore 0410
273 7388
Telex HPSGSO RS34209
Fax (65) 2788990
IN TAIWAN
Hewlett-Packard Taiwan
8th Floor, Hewlett-Packard
Building
337 Fu Hsing North Road
Taipei
(02) 712-0404
IN ALL OTHER LOCATIONS
Hewlett-Packard Inter-Americas
3495 Deer Creek Rd.
Palo Alto, California 94304
2
Installation
This chapter contains information needed to install the HP 70907A/B External Mixer
Interface module (EMIM) into an existing HP 71210C system and then check basic module
operation.
For more detailed information about system conguration and addressing, refer to the
Installation and Verication Manual for the system master (for example, HP 70900B Local
Oscillator).
Installing the EMIM requires the following steps:
1. Addressing the module.
2. Installing the module in the mainframe.
3. Connecting the rear-panel cables.
When properly installed, the EMIM obtains both power and interface-bus control through
the module's rear-panel mainframe/module interconnect. After the EMIM is installed, use
\Checking Module Operation" in this chapter to make sure that it has been properly installed.
The examples of addressing and cable connections in this chapter are for an HP 70907A/B
installed in an HP 71210C system. The system shown in Figures 2-1 and 2-4 contains the
following equipment:
HP 70907B External Mixer Interface module
HP 71210C High Sensitivity Microwave Spectrum Analyzer, which consists of the following:
HP 70001A Mainframe
HP 70004A Display
HP 70310A Precision Frequency Reference
HP 70900B Local Oscillator
HP 70902A IF Section
HP 70903A IF Section
HP 70908A RF Section
Caution
To prevent connector damage and ensure proper electrical connection, all
APC 3.5 and SMA connectors must be torqued 7 to 10 inch-pounds.
Do not exceed 10 inch-pounds.
Installation
2-1
Addressing the Module
The EMIM needs an appropriate Hewlett-Packard Modular System Interface Bus (HP-MSIB)
address to be able to communicate with the master of the HP 70000 Modular Measurement
System. The EMIM's address is set using its ROW and COLUMN address switches.
Note
The EMIM can be used in most system congurations without changing the
factory-preset address.
Determining the HP-MSIB Address
The EMIM has a factory-preset HP-MSIB address of 5, 18 (row 5, column 18). Figure 2-1
shows the address map for an EMIM in an HP 71210C system. The addresses in this gure
are the factory-preset addresses for the modules. When a system containing an EMIM is
turned on, the system master selects the front end (EMIM or RF section) that is located
lowest in the address map. As seen in the gure below, the HP 70907B is lower in the address
map than the HP 70908A. Therefore, the EMIM will be selected when the system is turned
on.
Figure 2-1. Address Map for an EMIM in an HP 71210C System
If the EMIM is going to be used in an HP 70000 Modular Spectrum Analyzer System where
the modules all have their factory-preset addresses, the EMIM probably will not need to
have its factory-preset address changed. However, if the factory-preset addresses of the
modules in the system have been changed, or if the EMIM is being used in another type of
HP 70000 Modular Measurement System, the EMIM's factory-preset address may need to be
changed. For more information about HP-MSIB addressing rules, refer to the Installation and
Verication Manual for the system master (for example, HP 70900B Local Oscillator).
2-2
Installation
Setting the HP-MSIB Address Switches
The EMIM's address switches are located on the right side of the module. Table 2-1 gives the
decimal value for each address switch when the switch is set to binary 1 (on).
Table 2-1. Decimal Equivalents of Row and Column Address Switches
Address Switch
Decimal Value
Row
3*
2
1*
4
2
1
Column
5*
16
4
8
3
4
2*
2
1
1
*These switches are factory-preset
to binary 1 (on), resulting in an
HP-MSIB address of 5, 18
(row 5, column 18).
Use the procedure below to change the address switches:
1. Set the three ROW switches to the binary value of the module's HP-MSIB row number.
For example, if the row number is 5, change the switches to binary 101 as shown in
Figure 2-2.
2. Set the ve COLUMN switches to the binary value of the module's HP-MSIB column
number. For example, if the column number is 18, change the switches to binary 10010 as
shown in Figure 2-2.
Figure 2-2. HP 70907A/B Address Switches
Installation
2-3
Installing the Module in the Mainframe
The EMIM needs to be installed in an HP 70000 series mainframe before it will operate.
Follow the procedure below to install the module into the mainframe. See Figure 2-3 for
identication of the module and mainframe parts called out in the procedure.
1. Turn the mainframe LINE switch o.
2. Open the mainframe front-panel door.
3. Slide the module into the mainframe.
4. Press against the module front panel while tightening the module latch with an 8 mm
hex-ball driver.
5. Close the mainframe front-panel door.
Figure 2-3. Module Installation in Mainframe
2-4
Installation
Connecting the Rear-Panel Cables
This section contains the instructions for connecting the EMIM when it is used in an existing
HP 71210C system. For HP 71210C system conguration information, refer to the Installation
and Verication Manual for the system's master.
Figure 2-4 illustrates the rear-panel cable connections for the HP 71210C system with an
EMIM added. Make the following changes and additions to the HP 71210C system cabling
when an EMIM is added:
Disconnect the cable between HP 70903A 21.4 MHz IN and HP 70908A 21.4 MHz OUT.
Disconnect the RF-section end of the cable connected between HP 70900B TUNE SPAN
and HP 70908A TUNE SPAN. Connect an SMB tee (1250-1391) to HP 70908A TUNE
SPAN, then connect the cable from HP 70900B TUNE SPAN to the tee.
Connect the following ports with the cables listed:
HP 70907B LO IN to HP 70908A 1ST LO OUT. (5021-5493)
HP 70907B TUNE SPAN to the tee on HP 70908A TUNE SPAN. (5061-9017)
HP 70907B 300 MHz IN to HP 70900B 300 MHz OUT 2. (5061-9021)
HP 70907B 21.4 MHz OUT to HP 70903A 21.4 MHz IN. (5061-9021)
HP 70907B 21.4 MHz IN to HP 70908A 21.4 MHz OUT. (5061-9017)
Installation
2-5
Figure 2-4. Rear-Panel Cabling for an EMIM in an HP 71210C System
2-6
Installation
Checking Module Operation
The operation of the HP 70907A/B in an HP 70000 Modular Spectrum Analyzer system is
checked by examining the front-panel LEDs and by checking for error messages after the
module's power-on self-test has run. Recheck installation if there seems to be a problem with
module operation, but neither the front-panel LEDs nor error messages indicate a problem.
Examining the Front-Panel LEDs
The power-on self-test runs automatically when power is rst applied to the module. The
front-panel LEDs ash on and then o during the
self-test. Immediately after the self-test has run, the ACT LED should be on and the ERR
LED should be o . Refer to Chapter 5, \Troubleshooting," if the LEDs' status is dierent
than that listed above.
Checking for Error Messages
Perform this procedure to display any error messages present for the system.
1. Press 4DISPLAY5, then REPORT ERRORS .
2. The error messages for the system will be visible on the display screen. Note any error
messages that have 70907A or 70907B as part of the error code. The last two numbers
of the error code are the module's HP-MSIB address (5, 18), and will be dierent if the
factory-preset address has been changed.
3. If any error messages are displayed, refer to Chapter 5 for troubleshooting information. If
no error messages are present, the HP 70907A/B is operating properly.
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Installation
2-7
3
Specifications
This chapter contains module characteristics for the HP 70907A and HP 70907B External
Mixer Interface modules. Refer to the Installation and Verication Manual for the system
master (for example, HP 70900B) for full system specications and system specications that
are modied when an HP 70907A/B is added to a system.
This chapter contains both specications and characteristics. Characteristics are in italics and
are identied with the word characteristic . The terms \specications" and \characteristics"
are dened below:
Specications
describe warranted performance over the temperature range of 0 C to
+55C (unless otherwise noted) after 1 hour of continuous operation.
Specications apply after system temperatures have stabilized and
self-calibration routines have run.
Unless otherwise noted, corrected limits are given when a specication
range is improved with error-correction routines. All specications that are
qualied by an output-power setting refer to that setting.
Typical performance, where listed, is not warranted , but indicates
performance which most units will meet.
Characteristics provide useful, but nonwarranted , functional and performance information.
Nominal values indicate the expected, but nonwarranted , value of the denoted parameter.
Specifications
3-1
HP 70907A Module Specifications and Characteristics
Front-Panel Inputs and Outputs
For HP 70907A front-panel input and output specications and characteristics, refer to the
Installation and Verication manual for the system master (for example, HP 70900B Local
Oscillator).
Rear-Panel Inputs and Outputs
LO IN
Frequency (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.0 to 6.6 GHz
Input Power (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . 00.5 dBm to +19.0 dBm
Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
(nominal)
LO OUT
Frequency Range (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.0 to 6.6 GHz
Output Power (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +2.6 to 13.9 dBm
VSWR (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.3
Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
(nominal)
TUNE SPAN
Voltage (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.5 to 9.9 V
Sensitivity (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5 V/GHz
Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >10 k
(nominal)
321.4 MHz OUT
The output tracks 21.4 MHz OUT with an oset of 020 62 dB.
Frequency Range (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321.4 625 MHz
Frequency Response (characteristic) . . . . . . . . . . . . . . . . . . . . . . +1.0, 02.0 dB typical
Return Loss (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 dB
Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
(nominal)
300 MHz OUT
Frequency (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300 MHz
Output Power (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 dBm 61 dB
VSWR at 300 MHz (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5
Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
(nominal)
300 MHz IN
Frequency (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300 MHz 610 kHz
Input Power (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 02 to +2 dBm
VSWR at 300 MHz (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5
Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
(nominal)
3-2
Specifications
21.4 MHz OUT
Center Frequency (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21.4 MHz
VSWR (characteristic)
at 21.4 MHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5
at 21.4 MHz 65.0 MHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.9
Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
(nominal)
21.4 MHz IN
Frequency (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21.4 MHz 65 MHz
Maximum Input Power (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 03.5 dBm
VSWR (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5
Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
(nominal)
General Specifications and Characteristics
Temperature
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 C to +55 C
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 010 C to +75 C
HP 70907A Weight (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.8 kg (6.2 lb)
HP 70907A Dimensions (characteristic) . . . . . . . . . . . . . . . . . . . . . . .1/8-width module
Specifications
3-3
HP 70907B Module Specifications and Characteristics
Front-Panel Inputs and Outputs
For HP 70907B front-panel input and output specications and characteristics, refer to the
Installation and Verication manual for the system master (for example, HP 70900B Local
Oscillator).
Rear-Panel Inputs and Outputs
LO IN
Frequency (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.0 to 6.6 GHz
Input Power (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . 00.5 dBm to +19.0 dBm
Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
(nominal)
LO OUT
Frequency Range (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.0 to 6.6 GHz
Output Power (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +2.6 to 13.9 dBm
VSWR (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.3
Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
(nominal)
TUNE SPAN
Voltage (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.5 to 9.9 V (oating)
Sensitivity (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5 V/GHz
Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >100 k
(nominal)
321.4 MHz OUT
The output tracks 21.4 MHz OUT with an oset of 020 62 dB.
Frequency Range (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321.4 625 MHz
Frequency Response (characteristic) . . . . . . . . . . . . . . . . . . . . . . +1.0, 02.0 dB typical
Return Loss (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 dB
Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
(nominal)
300 MHz OUT
Frequency (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300 MHz
Output Power (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 dBm 61 dB
VSWR at 300 MHz (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5
Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
(nominal)
300 MHz IN
Frequency (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300 MHz 610 kHz
Input Power (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 02 to +2 dBm
VSWR at 300 MHz (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5
Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
(nominal)
3-4
Specifications
21.4 MHz OUT
Center Frequency (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21.4 MHz
VSWR (characteristic)
at 21.4 MHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5
at 21.4 MHz 65.0 MHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.9
Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
(nominal)
21.4 MHz IN
Frequency (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21.4 MHz 65 MHz
Maximum Input Power (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 03.5 dBm
VSWR (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5
Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
(nominal)
General Specifications and Characteristics
Temperature
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 C to +55 C
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 010 C to +75 C
HP 70907B Weight (characteristic) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.8 kg (6.2 lb)
HP 70907B Dimensions (characteristic) . . . . . . . . . . . . . . . . . . . . . . .1/8-width module
Specifications
3-5
4
Verification
The HP 70907A/B External Mixer Interface module (EMIM) does not have any module
specications. Operation of the EMIM in the system can be veried by using the system
master's operation verication software.
System-level performance specications for the EMIMs, including system specications that
are modied when an EMIM is added to a system, are in the Installation and Verication
Manual for the system master (for example, HP 70900B Local Oscillator). System-level
testing of systems controlled by an HP 70900 local oscillator can be accomplished in two ways:
Run the system operation-verication tests, using revision C.00.00 or greater. (For system
operation verication, refer to the Installation and Verication Manual for the system's
master.)
Run the HP 11990A system tests, using revision B.04.00 or greater. The HP 11990A
software and documentation are available through Hewlett-Packard Sales Oces.
System-level testing of systems controlled by other system masters can be accomplished by
using the system operation-verication tests given in the Installation and Verication Manual
for that system master. HP 11990 Series system tests can also be used, if they are available
for that system master.
Verification
4-1
5
Troubleshooting
The information in this chapter is designed to help determine whether an error is being
caused by the HP 70907A/B External Mixer Interface module (EMIM). This chapter contains
information about EMIM front-panel LEDs, and a listing of the error codes for the EMIM.
For more detailed HP 70907A/B troubleshooting information, refer to the HP 70907A/B
External Mixer Interface Service Manual .
If the error is not caused by the EMIM, refer to the Installation and Verication Manual for
the system master (for example, HP 70900B) for more troubleshooting information.
Front-Panel LEDs
The HP 70907A/B External Mixer Interface module has two front-panel LEDs.
The ACT (active) LED lights when the module has an active keyboard link to an HP 70000
Modular Measurement System master and is being activated by that master. If there is no
display in the system, the ACT LED will not light even if the previous requirements are
met. The ACT LED being lit does not indicate an error.
The ERR (error) LED lights when there is an error condition.
Error Messages
The error codes generated by the HP 70907A/B External Mixer Interface module are listed
below in numerical order. For a complete list of all system error messages, refer to the
Installation and Verication Manual for the system master.
Error Types
Error Numbers
Usage/Operating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2000 to 2999
Hardware Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6000 to 6999
Hardware Broken . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7000 to 7999
Troubleshooting
5-1
Usage/Operating Errors
These errors occur when the instrument is used incorrectly.
2000 Rom check error | A test of the module ROM has failed. The most probable cause is
faulty HP 70907A/B hardware.
2001 Illegal Cmd | This error usually occurs in response to a user-generated system
protocol error: the module has encountered a command that it does not recognize. This
can be caused by the system master's sending such a command, however; if the error is
repeated when the module is moved to another mainframe, the most probable cause is
faulty HP 70907A/B hardware.
2002 Illegal parameter | Refer to 2001 Illegal Cmd.
2006 Param out of range | Refer to 2001 Illegal Cmd.
2009 Protocol error | Refer to 2001 Illegal Cmd.
2026 Check mixer bias | This error occurs in response to an improper load impedance
on the front-panel mixer-bias port. If the impedances are correctly matched, the most
probable cause is faulty HP 70907A/B hardware. (This error message can be generated
only when the mixer-bias supply is activated.)
Hardware Warning Errors
These error codes report the status of the HP 70907A/B hardware or indicate that some of
the hardware may be broken. These error codes indicate that measurement accuracy may be
impaired.
6000 EAROM unprotected | The write-protect switch on the HP 70907A/B module's
A4 Power Supply/Control board assembly is set to the write position. If this error
occurs when the switch is in the protect position, the most probable cause is faulty
HP 70907A/B hardware.
Hardware Broken Errors
The following error codes are generated in response to hardware or rmware failures within
the modules.
7001 LO unleveled | The output power is too low from the A5 Leveling Amplier
assembly's primary LO output port. The most probable cause is faulty HP 70907A/B
hardware.
7004 300 MHz error | This error occurs when the power level is too low at the rear-panel
300 MHz input. Verify that the 300 MHz input signal has a power level between
01 dBm and +1 dBm. If the input power is correct, the most probable cause is faulty
HP 70907A/B hardware.
7005 321.4 MHz error | This error occurs when 321.4 MHz IF power level is too low on the
A3 Last Converter board assembly. This error is usually accompanied by error number
7006 21.4 MHz error. The most probable cause is faulty HP 70907A/B hardware.
7006 21.4 MHz error | This error occurs when 21.4 MHz IF power level is too low on the
A3 Last Converter board assembly. This error is usually accompanied by error number
7005 321.4 MHz error. The most probable cause is faulty HP 70907A/B hardware.
5-2
Troubleshooting
Index
A
I
accessories
cables, 1-5
electrostatic discharge, 1-12
ACT LED, 1-6
address map, 2-2
address switches
decimal value, 2-3
location, 2-3
setting, 2-3
input and output connectors, 1-8
C
cables, 1-5
rear-panel connections, 2-5{6
L
LEDs, 1-6
LO rmware compatibility
HP 70907A, 1-2
HP 70907B, 1-2
M
module conguration, 2-1
module errors, 5-1
module-operation checks, 2-7
P
E
electrostatic discharge (ESD), 1-10{12
ERR LED, 1-6
error codes, 5-1{2
error lights, 1-6, 5-1
packaging, 1-13
PC board connector cleaning, 1-10
R
rear-panel cable connections, 2-5{6
H
S
HP 70907A/B
installing in mainframe, 2-4
rear-panel cable connections, 2-5{6
HP-MSIB
address, 2-2
connector, 1-8
sales and service oces, 1-15
select input
correct HP-MSIB address, 2-2
serial-number label, 1-4
shipping materials, 1-13
static-safe work station, 1-10
status and error LEDs, 1-6, 5-1
sweeptime, 1-2
system-level testing, 4-1
Index-1
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