Electronics > RF, Microwave, Ham Radio

Agilent ESG-D power search fails


I got an Agilent E4432B ESG-D unit with options UN8, UND, H99.  When I deactivate ACP and do a manual Power Search, it fails with error code -601.  I checked the voltages and all the LEDs indicate they are OK.  When ACP is active, output power is accurate even with complex modulation active.

I/Q calibration also executes a power search and fails, so the whole calibration cannot complete successfully.  I suspect the problem must be in the output Module.  It is labeled E4400-60155.

Has anyone experienced a similar problem?  I removed UND and UN8 and continue getting the same error when doing a manual power search.

Thanks in Advance



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