HP 8642A Operating Manual page 247

Model 8642A/B
Performance Tests
PERFORMANCE TESTS
1 b. Calibration
Perform the Level Accuracy Performance Test at 1000 MHz (also use
1300 MHz for 8642B), and 0, -40, -80 dBm. (If the measuring
receiver is an HP 89 02, store calibration values when instructed by
notes 2-7 in 4-5 tables.)
2. On/Off Ratio
On the HP 8642 key in AMPTD +10 dBm, SHIFT, PULSE, ON/OFF,
EXT DC. This will put the HP 8642 in pulse modulation mode with
the modulation waveform in its off state. Put the measuring receiver
in Tuned RF Level Mode. Set the HP 8642 and measuring receiver
frequency to the values listed in the table below. Verify the readings
are lower than the specified maximum.
RF
Frequency
(MHz)
1000.0
6
1300.0
7
Results
Actual Max.
10.00E-6 W
316.2E-9 W
6
'
7
On the HP 8902A Measuring Receiver, press blue SHIFT, RECALL,
followed by the numeric key indicated by this note.
4-15