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Performance Tests
Performance Test Procedures
Table 4-2 Recommended Test Equipment for 11974Q
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.
102
Critical Specifications
LO and IF ranges compatible with 11974Q
SWEEP + TUNE voltage compatible with
11974Q.
Frequency: 11 to 17 GHz
External leveling capability
Sub harmonics and multiples thereof: < − 25 dBc
Frequency Range: 3 to 5 GHz
Output level: +16 dBm leveled
15 dB gain from 11 to 17 GHz
Compatible with mm-wave source module
Non-harmonic spurious: < − 50 dBc
Compatible with thermistor mount
SWR: <2.0 from 33 to 50 GHz
SWR: <1.2 at 5 GHz
Compatible with power sensor
Coupling: 10 dB
Directivity: >40 dB
Primary line SWR: <1.05
Auxiliary arm SWR: <1.1
Insertion Loss: <1.6 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
Recommended
Model
8566B
w/serial prefix 2948
or later
a
8340B
11975A
8349B
432A
Hughes
45772H-1100
8481A
436A
Q752C
Q365A
83555A
Q896B
Chapter 4
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