Nokia RM-235 Service Manual page 138

2. Choose Tuning→WCDMA→Tx AGC & Power Detector.
3. Click Start.
Wide Range pane, click Tune (the leftmost Tune button).
4. In the
5. Set up the spectrum analyzer in the following way:
6. After setting the spectrum analyzer, click OK.
7. Measure the power levels with a marker.
Take the first measurement from 250 us after the trigger, the second after 750 us, the third after 1250
us and so on for every 500 us until the table is filled.
Note: It must be possible to measure power levels down to –68 dBm. The measured power levels
must be monotonously decreasing.
Make sure that the marker is not measuring the level of noise spikes on lower levels.
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RM-235
RF troubleshooting
Issue 1