HP 8642A Operation And Calibration Manual page 288

Performance Tests
4-38
PERFORMANCE TESTS
3. Set up the Signal Generator as follows:
INSTRUMENT PRESET
AMPLITUDE
+18
dBm
1 050.025 MHz FREQ
4. Set up the spectrum analyzer as follows:
INSTR UMENT PRESET
Model 8642A/B
5. Adjust the Signal Generator level until it is equal to the HP 8642
level, using the spectrum analyzer as the measuring device.
6. On the spectrum analyzer measure the signal at 1049.975 MHz
relative to the signal at 1050.000 MHz. Verify that it is below the
required level given below.
8642 Signal
Results
RF Generator
Frequency Frequency
Actual Max
(MHz) (MHz)
1050.000 1050.025 -55 dBc