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RF Section Troubleshooting
Troubleshooting
Quick Check to Verify High Band RF Path #1
(RF Input Frequencies > 3600 MHz and < 13.6 GHz)
Refer to Chapter 11, “Block Diagrams.” for details.
Equipment needed:
Functioning Spectrum Analyzer
Functioning Signal Generator to 15 GHz
DVM
Cables & Connectors
NOTE To perform the following checks, it will be necessary to remove the outer
cover and the top brace. See Chapter 14 for removal procedures.
Turn the analyzer on and allow it to complete its full boot up process to Signal
Analyzer mode. Use the internal 4.8 GHz, −28 dBm calibrator signal as a
reference for troubleshooting by pressing Mode Preset, Input/Output, RF
Calibrator, 4.8 GHz on the analyzer. Now press FREQ (Channel), 4.8 GHz,
SPAN (X Scale), Zero Span, AMPTD (Y Scale), Attenuation 10 dB on the
analyzer.
IMPORTANT Turn off auto align by pressing System, Alignments, Auto Align, Off.
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