Keysight Technologies U3042AM20, User'S And Service Manual

Page: 72 / 106

66 Keysight U3042AM20 User’s and Service Guide
U3042AM20
Cal Kit Operational Check
-
Verifying Cal Kit Operational Check Failures
If your test results fail the Operational Check limits, see Table 5 on page 9 and
verify following:
1. Ensure that the test set is turned on and connected properly to the
analyzer.
2. Check all appropriate connectors for damage, cleanliness, and proper
torques.
3. Repeat the relevant 1-Port calibrations using another ECal or mechanical
standard.
4. Verify that the analyzer is operating properly and meeting its published
specifications. If the analyzer is connected to the test set it will fail the
Operational Check. Refer to
“Network Analyzer Requirements” on page 4
ECal Confidence Check
The following ECal Confidence Check is a method the verify the accuracy of a
1-Port calibration performed with mechanical standards or an ECal module. To
perform this check, the test port of the ECal module must connect directly to
the Test Port being verified (without adapters).
1. Perform an 1-Port Cal of the test set port being tested.
2. Connect the ECal Module to the Port being verified. Terminate any
remaining ports on the ECal module.
3. Select the Cal Set to be verified. Select
[Cal] > Cal Set... > Cal_File > Apply Cal > Close -OR-
([Cal] Cal Set & Cal Kit > Cal Set... > Apply Cal) . If the “Choose Stimulus
Settings...” prompt appears, select Change the active channel’s stimulus...
> OK > Close.
4. Select Response > Cal > More > ECal > ECal Confidence Check -OR-
(Response > Cal > ECal Confidence Check...) .
5. Click Change Measurement and select the test port S-parameter Apply >
OK. Click Read Module Data.
6. Select the ECal module you are using, and select ECal Module Memory
and Factory ID> OK.