Adjustments; 10 Mhz Frequency Reference Adjustment - Agilent Technologies N5230A Service Manual

PNA Series Microwave Network Analyzers
N5230A

Adjustments

These adjustments are firmware-driven tests that are used to fine-tune your analyzer.
If multiple adjustments are to be performed, perform them in the order listed.
• "10 MHz Frequency Reference Adjustment" on page 3-35
• "LO Power Adjustment" on page 3-36
• "Source Calibration Adjustment" on page 3-37
• "Receiver Calibration Adjustment" on page 3-38

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 Frequency Adjustment at 10 MHz
Equipment Type
Cable, BNC, 50Ω, 24 inch
Frequency counter
Procedure
This adjustment typically adjusts to within ±0.01 ppm.
NOTE
1. Connect the equipment as shown in
network analyzer and the frequency counter.
Figure 3-13 Setup for Adjustment of the 10 MHz Frequency Reference
2. On the System menu, point to Service, Adjustments, and then click
10 MHz Freq Adjust.
3. Ensure the GPIB settings are correct.
4. Click Begin Adj, and then follow the instructions as they are displayed.
Service Guide N5230-90014
Model or Part Number
8120-1839
53151A, Option 001
Figure 3-13. Connect a GPIB cable between the
Tests and Adjustments
Alternate Model or Part Number
Any
Any that will measure a signal at 10 MHz.
Adjustments
3-35