Power Accuracy - Agilent Technologies 83620A Service Manual

4. Power Accuracy

Description and Procedure
Using a power meter, check the power accuracy of the synthesizer at several
CW frequencies. At each frequency, verify that the actual output power is
within speci cation over the full dynamic range of the ALC loop.
1. urn on the equipment shown in Figure 2-5 and let them warm up for at
least one hour. Press
2. On the power meter:
a. Zero and calibrate the power meter/sensor.
b. Set to dBm mode.
3. Connect the equipment as shown in Figure 2-5.
4. o achieve peak power, turn on RF peaking. Press:
Tracking Menu Peak RF Always
USER CAL
5
Figure 2-5. Power Accuracy Test etup
Power Meter
Power Sensor
Power Sensor
Attenuator 10 dB
Attenuator 10 dB
2-28 Performance Tests
Power Accuracy
All manuals and user guides at all-guides.com
on the synthesizer.
PRESET
5
Equipment
HP 436A/7A/8A
HP 8487A (HP 83640A/50A)
HP 8485A (HP 83620A/22A/23A/24A/30A)
HP 8490D Option 010 (HP 83640A/50A)
HP 8493C Option 010 (HP 83620A/22A/23A/24A/30A)
(asterisk on).
HP 8360