Hardware Options
A25 Wideband Analog IF and A26 Digital IF Troubleshooting
A25 Wideband Troubleshooting
Verify the 300 MHz IF Input level
1. Turn the instrument off.
2. Remove the instrument cover. Refer to
3. Turn on the N9030A Signal Analyzer and wait for the instrument to
4. Press System, Alignments, Auto Align, Off.
5. Press Mode, IQ Analyzer
6. Press Meas, Complex Spectrum
7. Press Input/Output, RF Calibrator, 50 MHz
8. Press Mode Setup, IF Path, 140 MHz (or 160 MHz, or 85 MHz)
9. Verify the 50 MHz signal is at −25 dBm on the analyzer display by pressing
N9030A PXA Signal Analyzer Service Guide
Replacement Procedures"
complete the boot up process.
FREQ, 50 MHz, SPAN, 1 MHz, Peak Search on the N9030A. The marker
readout should be 50 MHz at −25 dBm ±3 dB. If this reference signal is
measuring incorrectly, see
(RF/Microwave Analyzers)"
Chapter 16, "Assembly
in this service guide.
Chapter 4, "RF Section Troubleshooting
in this service guide.
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