A-2 Service Guide E8361-90001
Error Terms PNA Series Microwave Network Analyzers
Information in This Appendix E8361A
Information in This Appendix
Your PNA series network analyzer calculates error terms by measuring well-defined
calibration devices over the frequency range of interest and comparing the measured data
with an ideal model for the devices. The differences of the compared data represent
systematic (repeatable) errors of the analyzer system. The analyzer calculates and stores
these differences as error terms. These error terms are then removed from subsequent
measurements when error correction is on.
NOTE For details on the various levels and theory of error-correction, refer to the
embedded help in the analyzer.
Appendix A at-a-Glance
Section Title Summary of Content Start Page
Using Error Terms as a
Diagnostic Tool
How to use error terms as a preventive
maintenance and troubleshooting tool.
Page A-3
Performing Measurement
Calibration
Procedure for measurement calibration.
Measurement calibration must be performed
before you can use error terms as a tool.
Page A-4
Using Flowgraphs to Identify
Error Terms
Flowgraphs of the error terms for 1 port and
2 port calibrations.
Page A-4
Accessing Error Terms
How to access error terms either manually or
programmatically using the analyzer front
panel or SCPI and COM/DCOM commands.
Page A-6
Error Term Data
Values of the error terms of your analyzer.
Included are:
• a table of error term values
• typical response plots
• typical assembly failures
Page A-8
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