System Mode Independent Manual Tunings; Rf Channel Filter Calibration; Pa (Power Amplifier) Detection - Nokia n80 User Manual

RM-91; RM-92
RF Troubleshooting and Manual Tuning Guide

System mode independent manual tunings

RF channel filter calibration

Context
RF channel filter calibration tunes RF ASIC's internal low pass filters that limit the bandwidth of BB IQ signals.
One common calibration is made for GSM and WCDMA.
Tx filter
Rx filter
Steps
1. From the "Operating mode" dropdown menu, set mode to "Local".
2. From the Tuning menu, choose "RF Channel Filter Calibration".
3. Click Tune.
4. To save the values to the PMM (Permanent Memory) area, click Write.
5. To close the tuning window, click Close.
Results

PA (power amplifier) detection

Context
The PA detection procedure detects which PA manufacturer is used for phone PAs.
If a PA is changed or if the permanent memory (PMM) data is corrupted, PA detection has to be performed
before Tx tunings.
Steps
1. From the Operating mode drop-down menu, set mode to Local.
2. Choose Tuning→PA Detection .
3. Click Tune.
Issue 1
Table 11 RF channel filter calibration tuning limits
Min
0
0
Figure 61 RF channel filter calibration typical values
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Typ
10
16
Nokia Customer Care
Max
31
31
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