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System Mode Independent Manual Tunings; Rf Channel Filter Calibration - Nokia RM-235 Service Manual

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Phoenix preparations
Install the phone-specific data package. This defines the phone-specific settings.
Auto tuning procedure
1 Make sure the phone (in the jig) is connected to the equipment. Else, some menus will not be shown in
Phoenix.
2 To go to autotune, select
3 Remember to set the correct attenuation values before autotuning.
4 To start autotuning, click the

System mode independent manual tunings

RF channel filter calibration

Context
Rf channel filter calibration tunes the internal low pass filters of the RF ASIC, that limit the bandwidth of BB
IQ signals.
Tx filter
RX mixer
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 4 –20
Tuning (Alt-U) > Auto-Tune (Alt-A) from the menu.
Tune button.
Table 8 Rf channel filter calibration tuning limits
Min
0
0
0
Figure 30 Rf channel filter calibration typical values
COMPANY CONFIDENTIAL
Copyright © 2008 Nokia. All rights reserved.
Typ
10
13
16
RM-235
RF troubleshooting
Max
31
31
31
Issue 1

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