User Guide

Context

On each GSM Rx band, there is a bandbass filter in RF asic. The amplitude ripple caused by these filters causes

ripple to the RSSI measurement and therefore calibration is needed.

The calibration has to be repeated for each GSM band.

Steps

1. Connect the module jig’s GSM connector to the signal generator.

2. From the "Operating mode" dropdown menu, set mode to "Local".

3. From the Tuning menu, choose GSM -> Rx Band Filter Response Compensation.

4. In the

Tuning mode

pane, select Manual.

5. Click Start.

RM-208

Nokia Customer Care RF Troubleshooting and Manual Tuning Guide

Page 7 –22 COMPANY CONFIDENTIAL Issue 1