64 Keysight N9038A MXE Service Guide
Boot Up and Initialization
Potential Problems During Boot Process
6. If the signal level is not correct refer to Chapter 5, “RF Preselector
Section.” Chapter 6, “RF Downconverter Section.” and Chapter 15, “Block
Diagrams.” for further troubleshooting information.
Frequencies Greater Than 3.6 GHz
The basic functionality of the instrument above 3.6 GHz can be quickly verified
with the use of the internal 4.8 GHz calibrator signal. However, if there are
suspected problems at other frequencies an external signal generator will also
be needed:
1. Switch the instrument into the Spectrum Analyzer mode by pressing
Mode, Spectrum Analyzer.
2. Turn on the internal 4.8 GHz Calibrator signal by pressing Input / Output,
RF Calibrator, 4.8 GHz.
3. Tune the instrument to 4.8 GHz with a span of 100 MHz by pressing Span,
100 MHz, Freq, 4.8 GHz.
4. Place the marker on the peak of the calibrator signal by pressing Peak
Search.
5. Center the preselector filter by pressing Amptd, Presel Center.
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