System Mode Independent Manual Tunings; Rf Channel Filter Calibration - Nokia E62 Service Manual

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System mode independent manual tunings

Rf channel filter calibration

Context
Rf channel filter calibration tunes the internal low pass filters of Rx and Tx ASICs that limit the bandwidth of
BB IQ signals.
One common calibration is made for GSM.
Tx filter
Rx filter
Steps
1. From the Operating mode drop-down menu, set mode to Local.
2. Choose Tuning→Rf Channel Filter Calibration .
3. Click Tune.
4. To save the values to the PMM (Phone Permanent Memory) area, click Write.
Rf Channel Filter Calibration window, click Close.
5. To close the
Results
Page 7 –20
Table 12 Rf channel filter calibration tuning limits
Min
0
0
Figure 51 Rf channel filter calibration typical values
COMPANY CONFIDENTIAL
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RF Troubleshooting and Manual Tuning Guide
Typ
10
16
RM-88
Max
31
31
Issue 1