Keysight Technologies PXI Programmable Step Attenuator Module

Keysight Technologies PXI Programmable Step Attenuator Module
Keysight Technologies
PXI Programmable Step Attenuator Module
M9168C DC to 26.5 GHz
M9168E DC to 50 GHz
Data Sheet
Introduction
Keysight Technologies, Inc. has been a leading designer and manufacturer of RF and microwave step
attenuators in the global marketplace for more than 60 years. RF and microwave attenuators are used
extensively in microwave test systems for signal conditioning between transmitting and receiving of a
device under test (DUT). Keysight designs and manufacturers a comprehensive range of RF and microwave
attenuators to meet your signal attenuation requirements. There is a broad range of fixed, manual, and
programmable step attenuators with operating frequencies from DC up to 4/18/26.5/40/50 GHz.
Product Description
Other than connectorized standalone attenuators, Keysight also offers step attenuator modules that
operate across a broad frequency range of DC to 26.5/50 GHz. The M9168C/E is a programmable step
attenuator module based on the PXI hybrid platform, with 0.03 dB insertion loss repeatability for each
section throughout the 5 million cycles operating life. Its excellent attenuation accuracy across a wide
operating temperature range ensures precise measurements. The M9168C/E is a signal conditioning
module that enhances the measurement accuracy and flexibility of PXI based RF and microwave test
systems.
Applications
–– RF signal path attenuation simulation
–– Engineering verification
–– RF receiver sensitivity test
–– Adjacent channel interference
Features
–– 0.03 dB insertion loss repeatability through-out the operating life of up to 5 million cycles per section
–– Broad attenuation range of 0 to 101 dB with 1 dB step
–– High attenuation accuracy and flatness of ± 0.4 dB at 26.5 GHz (M9168C) and ± 0.97 at 50 GHz
(M9168E)
–– Soft front panel is available for ease of use
Customer values
–– Peace of mind in technology from Keysight who has a proven track record of providing versatile,
quality, RF and microwave step attenuators
–– Reduce downtime for recalibration, improve testing efficiency and therefore maximizing throughput
–– Maximize measurement accuracy and system flexibility
–– Guaranteed precise measurements and stability across a wide temperature range
03 | Keysight | Programmable Step Attenuator Module M9168C DC to 26.5 GHz, M9168E DC to 50 GHz – Data Sheet
Easy Setup…Test…and Maintenance
Hardware platform
Connectors
The M9168C/E comes with 3.5 mm (f) (SMA compatible)/2.4 mm
(f) high quality RF coaxial connectors for 50 Ω.
Compliance
The M9168C/E is PXI compliant, using either a PXI-H, PXI-1
or cPCI slot. Designed to benefit from fast data interfaces, the
M9168C/E can be integrated with other test and automation
modules into PXI, Compact PCI®, and Hybrid chassis. The PXI
format offers high performance in a small, rugged package, and
it’s an ideal platform for many automated test systems. A wide
array of complementary PXI products are currently available
and include multimeters, waveform generators, local oscillators,
digitizers, and switch multiplexers.
Figure 1a. Uncorrected instance of M9168C/E soft front panel
Software platform
Drivers
Keysight‘s M9168C/E comes complete with software drivers
for Windows XP, Windows Vista, Windows 7, and LabVIEW.
Also included are application code examples for LabVIEW,
LabWindows/CVI, Visual Studio, C, C++, MATLAB.
Soft Front Panel
The M9168C/E graphical user interface guides developers
through the module setup process. Users can quickly configure
the module parameters. The interfaces are implemented using
the IVI standard supporting both IVI-COM and IVI-C.
Soft front panel of M9168C/E provides an intuitive approach for
program simulation and troubleshooting. The soft front panel
comes in Uncorrected and Corrected instance.
Figure 1b. Corrected instance of M9168C/E soft front panel
Uncorrected — User sees the nominal value of the attenuation in
this instance, regardless of operating frequency.
Corrected — Calibration data is burnt in the module EEPROM
at factory and is unique to each step attenuator module. The
corrected data is the attenuation value by frequency. User could
read the actual attenuation value that changes with frequency,
and with accuracy up to 2 decimal points.
Figure 1c. Onboard cycle count per attenuation section tracking
eases maintenance and reduces unexpected system downtime
04 | Keysight | Programmable Step Attenuator Module M9168C DC to 26.5 GHz, M9168E DC to 50 GHz – Data Sheet
Easy Setup…Test…and Maintenance, continued
Easy software integration
Keysight’s M9168C/E comes complete with software drivers
for Windows XP, Windows Vista, Windows 7, and LabView.
Also included are application code examples for LabView,
LabWindows/CVI, Visual Studio, C, C++, C#, Visual Basic, and
MATLAB, which provides the M9168C/E with setup and basic
switching functionality. The application code examples are easily
modified to quickly integrate the module into your measurement
system.
Calibration intervals
The M9168C/E is factory calibrated and shipped with an
ISO-9001, NIST-traceable calibration certificate. The
recommended calibration interval is 12 months.
05 | Keysight | Programmable Step Attenuator Module M9168C DC to 26.5 GHz, M9168E DC to 50 GHz – Data Sheet
Technical Specifications
M9168C
Specifications
Frequency range
DC to 26.5 GHz
Attenuation resolution
1 dB step
Repeatability
0.03 dB
Lifecycle
5 million life cycles per section
Insertion loss (at 0 dB)
DC to 6 GHz: 2.5 dB
6 GHz to 18 GHz: 4.0 dB
18 GHz to 26.5 GHz: 5.0 dB
Return loss (VSWR)
DC to 6 GHz: 16 dB (1.35)
6 GHz to 18 GHz: 11 dB (1.78)
18 GHz to 26.5 GHz: 7 dB (2.61)
Maximum input power
1 W (+30 dBm) average 50 W peak (10 µs max)
Maximum reverse power
1 W (+30 dBm) average 50 W peak (10 µs max)
Switching speed
20 ms
RF connector
3.5 mm (f), SMA compatible
Connector compatibility
cPCI, PXI-H, PXI-1
Attenuation accuracy
Specified across operating frequency of 0 to 50 °C
Attenuation setting for step ranges (dB)
DC to 18 GHz
18 to 26.5 GHz
1 to 2
0.35
0.40
3 to 6
0.55
0.70
7 to 10
0.70
0.80
11 to 20
1.20
1.40
21 to 40
1.40
1.60
41 to 60
1.90
2.50
61 to 80
2.50
2.70
81 to 101
3.70
4.00
Power requirements
Power consumption from the backplane supply is as follows:
Voltage
+3.3 V
+5.0 V
–12.0 V
+12.0 V
Current
0.5 A (typical 0.2 A)
5.8 A (typical 5.5 A)
0V
0.37 A (typical 0.34 A)
06 | Keysight | Programmable Step Attenuator Module M9168C DC to 26.5 GHz, M9168E DC to 50 GHz – Data Sheet
Technical Specifications, continued
M9168E
Specifications
Frequency range
DC to 50 GHz
Attenuation resolution
1 dB step
Repeatability
0.03 dB
Lifecycle
5 million life cycles per section
Insertion loss (at 0 dB)
DC to 6 GHz: 2.5 dB
6 GHz to 18 GHz: 4.0 dB
18 GHz to 26.5 GHz: 5.0 dB
26.5 to 50 GHz: 6.5 dB
Return loss (VSWR)
DC to 18 GHz: 15.5 dB (1.40)
18 to 26.5 GHz: 9.0 dB (2.10)
26.5 to 40 GHz: 7.0 dB (2.61)
40 to 50 GHz: 4.0 dB (4.42)
Maximum input power
1 W (+30 dBm) average 50 W peak (10 µs max)
Maximum reverse power
1 W (+30 dBm) average 50 W peak (10 µs max)
Switching speed
20 ms
RF connector
2.4 mm (f), SMA compatible
Connector compatibility
cPCI, PXI-H, PXI-1
Attenuation accuracy
Specified across operating frequency of 0 to 50 °C
Attenuation setting for step ranges (dB)
DC to 18 GHz
18 to 26.5 GHz
26.5 to 40 GHz
40 to 50 GHz
1 to 2
0.35
0.40
0.69
0.97
3 to 6
0.55
0.70
0.97
1.23
7 to 10
0.70
0.80
1.21
1.62
11 to 20
1.20
1.40
1.87
2.34
21 to 40
1.40
1.60
2.09
2.58
41 to 60
1.90
2.50
3.36
4.22
61 to 80
2.50
2.70
3.59
4.48
81 to 101
3.70
4.00
4.46
4.91
Power requirements
Power consumption from the backplane supply is as follows:
Voltage
+3.3 V
+5.0 V
–12.0 V
+12.0 V
Current
0.5 A (typical 0.2 A)
5.8 A (typical 5.5 A)
0V
0.37 A (typical 0.34 A)
07 | Keysight | Programmable Step Attenuator Module M9168C DC to 26.5 GHz, M9168E DC to 50 GHz – Data Sheet
Technical Specifications, continued
Environmental and physical specifications
Temperature range
Operating
Non-operating 0 to 55 °C
–40 to 70 °C
Relative humidity
Operating
Non-operating
95% RF at 40 °C, 24 hours cycling, repeated 5 times
95% RH at 40 °C, 5 cycles
Vibration
Operating random
Vibration
Survival random vibration
5—500 Hz, 0.3 g RMS
5—500 Hz, 3.41 g RMS
Shock
End use handling shock
Transportation shock
Half sine wave form, 120 in/s, duration < 3 ms
Trapezoidal, 50 g
Altitude test
Operating/non-operation
15,000 ft (4600 m)
ESD immunity
Air discharge
Direct discharge
15 kV per IEC61000-4-2
8 kV per IEC61000-4-2
Safety
This product has input power below the requirements as specified in the Low Voltage Directive
(2006/95/EC)
EMC
EMC Standard: IEC 61326-1:2005 / EN 61326-1:2006
Emissions: CISPR 11:2003 / EN55011:2007
Immunity: IEC 61000-4-3:2002 / EN 61000-4-3:2002
Electrostatic Discharge: IEC 61000-4-2:2001 / EN
61000-4-2-:1995+A1:1998+A2:2001
EMC/EMI:CE, C-Tick
CE compliance
EMC Compatibility Directive (EMC): 2004/108/EC
Warm-up time
Refer to PXI Chassis warm-up time
Dimensions
M9168C/E
3U PXI/Compact PCI standard
Front panel complies with IEEE 1101.10 certification and compliance.
174.8 x 128.7 x 40.3 mm
Weight
0.93 kg
Contact material
Beryllium copper, gold plated
Connector compatibility
PXI-H, PXI-1, cPCI
08 | Keysight | Programmable Step Attenuator Module M9168C DC to 26.5 GHz, M9168E DC to 50 GHz – Data Sheet
Supplemental Specifications and Characteristics
Supplemental characteristics are intended to provide useful information.
They are typical but non-warranted performance parameters.
Typical performance graphs
Return loss
0
-5
-10
-15
-20
-25
-30
-35
-40
-45
-50
-55
-60
-65
0
10
20
30 GHz
09 | Keysight | Programmable Step Attenuator Module M9168C DC to 26.5 GHz, M9168E DC to 50 GHz – Data Sheet
Supplemental Specifications and Characteristics, continued
Supplemental characteristics are intended to provide useful information.
They are typical but non-warranted performance parameters.
Typical performance graphs
10 | Keysight | Programmable Step Attenuator Module M9168C DC to 26.5 GHz, M9168E DC to 50 GHz – Data Sheet
Configuration and Ordering Information
Software
Related products
Model
Description
Model
Description
Software
development
platform
Microsoft Visual Studio with C/C++
Microsoft Visual Studio .NET with C# or Visual
Basic, National Instruments LabVIEW, National
Instruments LabWindows CVI, The MathWorks
MATLAB, Keysight VEE
M9392A
PXI Vector Signal Analyzer
M9351A
PXI Downconverter, 50 MHz to 2.9 GHz
M9360A
PXI Attenuator/Preselector
M9155/6/7C
PXI Switch Modules, DC to 26.5 GHz
Supported
operating systems
Windows XP SP3, 32-bit
Windows Vista 32/64-bit
Windows 7 32/64-bit
Drivers provided
IVI-COM, IVI-C, LabView, MATLAB
Included GUI
Soft front panel
Compatible with all chassis conforming to the 3U PXI and 3U cPCI
specifications
Application code
examples
C, C++, C#, Visual Basic, VEE, MATLAB
Compatible with Keysight M9018A PXIe chassis, 18-slots, 3U, 8 GB/s
Recommended configuration
Model and chassis compatibility
PXI chassis compatibility
Warranty and calibration
Advantage Services: Calibration and warranty
Model
Description
M9018A
PXIe Chassis, 18-slots, 3U, 8 GB/s
Keysight Advantage Services is committed to your success throughout
your equipment’s lifetime.
M9202A
PXIe IF Digitizer: 12-bit, 1 GHz
M9168C-UK6
Commercial calibration certificate with test data
M9361A
PXI Downconverter: 2.75 to 26.5 GHz
M9168C
PXI-h Programmable Step Attenuator Module,
DC to 26.5 GHz
R-51B-001-C
1 year Return-to-Keysight warranty
M9168E
PXI-h Programmable Step Attenuator Module,
DC to 50 GHz
Ordering information typical configuration
Model
Description
M9168C
PXI-h Programmable Step Attenuator Module,
DC to 26.5 GHz
M9168E
PXI-h Programmable Step Attenuator Module,
DC to 50 GHz
11 | Keysight | Programmable Step Attenuator Module M9168C DC to 26.5 GHz, M9168E DC to 50 GHz – Data Sheet
Mechanical Information
Dimensions are in mm nominal, unless otherwise specified.
174.79
165.49
6.761 ± 0.325
(Connector portrusion)
128.70
125.60
40.30
32.83
7.47
26.00
3.00
28.50
45.50
12 | Keysight | Programmable Step Attenuator Module M9168C DC to 26.5 GHz, M9168E DC to 50 GHz – Data Sheet
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© Keysight Technologies, 2012 - 2015
Published in USA, June 9, 2015
5990-8586EN
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