U3042AE16
Troubleshooting the Test Set
RF Performance Fails
If the U3042AE16 operates correctly, but RF performance fails the operational test.
T
he
following procedures can be used to isolate the failed component. Suspect the coax switches,
RF cables, or coupler.
The RF performance of the U3042AE16 depends on the performance of the
analyzer. Ensure the PNA is meeting specification before continuing.
1.
Verify that the test set and PNA SOURCE, RCVR, CPLR THRU, and CPLR ARM connectors are
clean and that the center pins are not damaged.
2.
Verify the interface and internal RF cables are cleaned and not damaged.
Operational Check Failure” on page 6
3.
Review the
“Cal Kit Operational Check” on page 5
and verify the results for the port that is
failing.
4.
Reflection tracking trace shows a power hole, or is below the test limit line, perform the
switch path test for the port that is failing.
User's and Service Guide U3042-90012
77