Chapter 2 2-75
System Verification and Performance Tests
Agilent 8753ES System Verification and Performance Tests
13. Test Port Receiver Phase Compression
Perform this test to verify the phase compression/expansion of the analyzer’s test port
receivers. Power sweeps from low to high power are made at designated CW frequencies. A
reference measurement is made while the signal to the receiver is attenuated to avoid
compression. The attenuation is removed and compression is observed and measured.
Analyzer warm-up time: 30 minutes
Specifications
Required Equipment for 50Ω Analyzers
Procedure
1. Connect the equipment as shown in Figure 2-42 (Figure 2-43 for 75Ω analyzers).
CW Frequency Test Port
Phase
a
a. With 10 Hz IF bandwidth.
300 kHz to 3 GHz Test Port 1 ≤ 6°
3 GHz to 6 GHz
b
b. Only for analyzers with Option 006.
Test Port 1 ≤ 7.2°
Description HP/Agilent Part or Model Number
Cables (2): 50Ω, APC-7 8120-4779
Step Attenuator 8496A Option 003, H18
Additional Equipment for 75Ω Analyzers
Minimum Loss Pad (2) 11852B
Adapters (2): APC-7 to Type-N (f) 11524A
Cables (2): 50Ω, Type-N, 24-inch 8120-4781
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