U3022AM42
Cal Kit Operational Check
Verifying a Cal Kit Operational Check Failure
Verify the following:
1. Ensure 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 PNA is operating properly and meeting its published specifications. If the PNA
is connected to the test set it will fail the Operational Check. Refer to
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
>
Factory
>
OK
.
Figure
49
ECal Confidence Check
62
Keysight U3022AM42 User's and Service Guide
