Chapter 5 141
Digital IF Troubleshooting
A3 Digital I.F. Troubleshooting
9. Referring to Figure 5-1, carefully disconnect W4 at A3J15.
Figure 5-1 A2 Digital I.F. Cables
10. Connect the W4 cable to the MMCX female to SMA female connector. Use an
appropriate cable to go from the SMA connector to the RF input of a
functioning spectrum analyzer.
11. Press
Freq, 22.5 MHz Span, 1 MHz, Peak Search on the functioning spectrum
analyzer.
W4
W6
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