HP 70000 series, User Manual

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User Application Errors 0001 { 0999
0053
Res BW -- CF ampl
Cause: The resolution bandwidth of one or more of the HP 70903A IF sections is out of
adjustment.
Cure: P erform the HP 70903A IF section Resolution Bandwidth Filter adjustments .
0060
RF attenuator
Cause: The RF attenuator of the HP 70600A preselector or the HP 70601A preselector is not
functioning correctly .
Cure: Check and replace the RF Attenuator in the HP 70600A preselector or HP 70601A
preselector .
0061
Cannot test 70905/6B
Cause: These RF sections can only be tested with an associated HP 70600A preselector or an
HP 70601A preselector , as part of a preselected microwave spectrum analyzer system.
0062
Cal input incorrect?
Cause: The front panel CALIBRA TOR output of the HP 70900B local oscillator source is not
connected to the RF INPUT of the system being tested. (This is a prerequisite for running the
program.)
Cure: This error indicates that the marker reading of the signal was less than 060 dBm and the
21.4 MHz diagnostic detector indicated a low signal condition. Check that the calibrator signal
from the HP 70900B local oscillator source is connected to the RF Input of the RF section or
the preselector . If the calibrator is connected, check the RF signal path in the RF section for
excessive loss .
0063
ATTENUATOR Section
Cause: One or more of the RF attenuator sections in the HP 70600A preselector or the
HP 70601A preselector is not functioning correctly .
Cure: Check and replace the RF Attenuator in the HP 70600A preselector or HP 70601A
preselector .
6-10 Error Messages