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 - 10.00 dBm measured directly at the front panel CAL OUTPUT connector.

 

MEASUR I NG

 

SPECTRUM

ANALYZER

 

R E C E I V E R

 

 

 

 

Y PC

 

 

 

 

BOARD

 

 

 

 

PROP

S K 1 1 3

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