11. Calibrator Amplitude Adjustment; Calibrator Amplitude Adjustment Setup - HP 8560A Service Manual

11. Calibrator Amplitude Adjustment

Assembly Adjusted
Al5 RF Assembly
Related Performance Test
Calibrator Amplitude and Frequency Accuracy
Description
The CAL OUTPUT amplitude is adjusted for
panel CAL OUTPUT connector.
MEASUR I NG
R E C E I V E R
Figure 2-14. Calibrator Amplitude Adjustment Setup
Equipment
Measuring Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HP 8902A
Power Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HP 8482A
Adapters
Type N (f) to BNC (m) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1250-1477
Procedure
Note The HP 8560A should be allowed to warm up for at least 30 minutes before
performing this adjustment.
1. Place the HP 8560A in the service position shown in Figure 2-14. Prop the Al4 Frequency
Control Board assembly in the service position.
2. Zero and calibrate the HP 8902A/HP 8482A combination in log display mode. Enter the
power sensor 300 MHz Cal Factor into the HP 8902A.
2-48 Adjustment Procedures
10.00 dBm measured directly at the front
SPECTRUM ANALYZER
PC
BOARD
PROP
S K 1 1 3