Technical data

2-58 Chapter 2
Performance Tests
13. Receiver Magnitude Compression
13. Receiver Magnitude Compression
Perform this test to verify the compression/expansion magnitude levels of the analyzer's
receiver samplers. 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 warmup time: 30 minutes
Specifications
Required Equipment
Channel A Magnitude Compression
1. Zero and calibrate the power meter.
2. Connect the equipment as shown in Figure 2-27.
Frequency Range Receiver Channel
Magnitude
a
a. With 10 Hz IF bandwidth.
300 kHz–3 GHz A ≤ 0.55 dB
3 GHz–6 GHz
b
b. Only for analyzers with Option 006.
A ≤ 0.87 dB
300 kHz–3 GHz B ≤ 0.55 dB
3 GHz–6 GHz
b
B ≤ 0.87 dB
Description HP/Agilent Part or Model Number
Power meter 437B/438A or E4418B/E4419B
Power sensor 8482A
Attenuator, 3 dB 8491A Option 003
Attenuator, 10 dB 8491A Option 010
Attenuator, 20 dB 8491A Option 020
Cable (2), 50Ω type-N, 24-inch 8120-4781
2-way power splitter (2), 50Ω 11667A Option 001
Additional Equipment for Option 006 Analyzers
Power sensor 8481A