10 Mhz Frequency Reference Adjustment - Keysight N5221A Service Manual

PNA Series Microwave Network Analyzers
N5221A/22A

10 MHz Frequency Reference Adjustment

The 10 MHz frequency adjustment is used to adjust the frequency accuracy of the network analyzer's 10
MHz frequency reference on the A10 frequency reference board assembly.
Equipment Used for the 10 MHz Frequency Reference Adjustment
Equipment Type
Cable, BNC, 50, 24 inch
Frequency counter
Procedure
This adjustment typically adjusts to within 0.01 ppm.
NOTE
1. Connect the equipment as shown in
and the frequency counter.
Figure 3-13 Equipment Setup for the 10 MHz Frequency Reference Adjustment
2. Press UTILITY System
3. Ensure the GPIB settings are correct.
4. Follow the instructions and prompts as they are displayed.
Service Guide N5222-90001
Model or Part Number
8120-1839
53151A, Option 001
Figure 3-13. Connect a GPIB cable between the network analyzer
Service Adjustments
, then , then
Tests and Adjustments
Alternate Model or Part Number
Any
Any that will measure a signal at 10 MHz.
, then click 10 MHz Freq Adjustment.
Adjustments
3-41