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Table 4-3 Recommended Test Equipment for 11974U
Instrument
Spectrum Analyzer
Synthesized Sweeper
Amplifier
Amplifier
Power Meter
Thermistor mount
Power Sensor
Power Meter
Directional Coupler
Isolator
Millimeter-Wave
Source Module
Waveguide Straights
a. If an 8340A is used, the 1.0 V/GHz output will have to be modified to a 0.5 V/GHz
output for proper display accuracy, leveling flatness, and harmonic suppression.
Provided with your mm-wave source module is a set of modification instructions.
This modification procedure will enable you to properly convert your 8340A to a
0.5 V/GHz output.
Chapter 4
Critical Specifications
LO and IF ranges compatible with 11974U
SWEEP + TUNE voltage compatible with
11974U.
Frequency: 13 to 20 GHz
External leveling capability
Sub harmonics and multiples thereof: < − 25 dBc
Frequency Range: 4 to 6 GHz
Output Level: +16 dBm leveled
15 dB gain from 13 to 20 GHz
Compatible with mm-wave source module
Non-harmonic spurious: < − 50 dBc
Compatible with thermistor mount
SWR: <2.0 from 40 to 60 GHz
SWR: <1.2 at 5 GHz
Compatible with power sensor
Coupling: 10 dB
Directivity: >39 dB
Primary line SWR: 1.06
Auxiliary arm SWR: 1.1
Insertion Loss: <1.8 dB
Isolation: >25 dB
SWR: <1.4
Output power: +2 dBm leveled
Output SWR: <2.0
Harmonically related spurious signals: < − 20 dBc
5 cm minimum
SWR: <1.016
Performance Tests
Performance Test Procedures
Recommended
Model
8566B
w/serial prefix 2948
or later
a
8340B
11975A
8349B
432A
Hughes
45773H-1100
8481A
436A
U752C
U365A
83556A
U896B
103
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