High-Level Diagnostic Tools, Processes and References
17. Under Primary Settings:
a. Set the Input Frequency to 2 GHz.
b. Move the power sensor from LO 2 OUT to LO 1 OUT.
c. Step the PSG frequency from 3 GHz to 10 GHz in 500 - MHz steps.
d. The delta in power between LO IN and LO 1 OUT should be ≤ 1dB.
18. If all measurements are correct the module is working properly, if not the module requires servicing.
If a Problem is Found
If a problem is found, do the following checks:
1. Verify that all relevant hardware is turned on.
2. Verify that the signal generator is set to the proper power/frequency and that all cables are properly connected.
All SMA connector are torqued to 8 Lb-In (0.904 Nm).
3. Check that the Status LED is green.
4. Verify that the ACCESS LED flashes each time that the module is written to.
5. See
Performance Verification Tests
) to verify the module is performing according to published, fac-
tory-set specifications.
If you need to swap a defective module with a core replacement module from Agilent, see
22
Agilent M9360A PXI Attenuator/Preselector Service Guide
Summary of Contents for M9360A
Page 1: ...Service Guide Keysight M9360A PXI Attenuator Preselector 100 KHz to 26 5 GHz ...
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