Keysight N5231A Installation Note page 27

Installation Procedure for the Upgrade
Step 18. Perform Post-Upgrade Adjustments and Calibration
Adjustments
The following adjustments must be made due to the hardware changes of the
analyzer.
— source adjustment
— IF gain adjustment
— receiver characterization
— receiver adjustment
— IF Response adjustment (For A models: Options 090, 093, or 094 Only. For
B models: Options S93090xA/B, S93093A/B, or S93094A/B Only.)
These adjustments are described in the PNA Service Guide and in the PNA
on-line HELP. A list of equipment required to perform these adjustments is also
found in the service guide.
To view this service guide information, click the Chapter 3 bookmark "Tests
1
and Adjustments" in the PDF Service Guide .
After the specified adjustments have been performed, the analyzer should
operate and phase lock over its entire frequency range.
Operator's Check
Perform the Operator's Check to check the basic functionality of the analyzer.
For instructions, click the Chapter 3 bookmark "Tests and Adjustments" in the
PDF Service Guide 1 .
If you experience difficulty with the basic functioning of the analyzer, contact
Keysight. Refer to "Contacting Keysight" on page 4.
Calibration
Although the analyzer functions, its performance relative to its specifications
has not been verified. It is recommended that a full instrument calibration be
performed using the analyzer's internal performance test software. To view
information on the performance test software, click the Chapter 3 bookmark
"Tests and Adjustments" in the PDF Service Guide 1 .
1. See "Downloading the Online PNA Service Guide" on page 7.
Installation Note N5232-90101 27