User Guide

ManualsBrandsNokia ManualsCell PhoneE70

211

212

213

214

215

216

217

218

219

220

Changed component Perform the following tunings

Any component in the GSM Tx RF chain before the

Tx IQ Tuning, Tx Power Level Tuning

Any component in the GSM Tx RF chain after the PA

or PA

Tx Power Level Tuning

Any component in the WCDMA Tx RF chain before

the PA

Tx AGC & Power Detector, Tx Band Response

Calibration, Tx LO Leakage

Any component in the WCDMA Tx or Rx chain after

the PA, power detector or PA switch mode power

supply

Tx AGC & Power Detector, Tx Band Response

Calibration, PA Detection

Any component in the GSM Rx chain Rx Calibration, RX Band Filter Response

Compensation

Any component in the WCDMA Rx chain Rx AGC Alignment, RX Band Response Calibration

VCTCXO Rx Calibration (GSM850/GSM900 band)

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 both GSM and WCDMA.

Table 8 Rf channel filter calibration tuning limits

Min Typ Max

Tx filter 0 10 31

Rx filter 0 16 31

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.

5. To end the tuning, click Close.

RM-10;RM-24

RF Troubleshooting and Manual Tuning Guide Nokia Customer Care

Issue 1 COMPANY CONFIDENTIAL Page 7 –23