Gsm Receiver Tunings; Rx Calibration (Gsm) - Nokia RM-42 Service Manual

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RF Troubleshooting and Manual Tuning Guide

4. Click Tune.

A popup window appears asking: "Save Values to PM". Click "Yes"

5. To finish the calibration, click Close.

GSM receiver tunings

Rx Calibration is used to find out the real gain values of the GSM Rx AGC system and tuning response of the AFC

system (AFC D/A init value and AFC slope)

Connect module jig's GSM connector to signal generator.

From the dropdown menus, set "Operating mode" to Local.

From the Product menu, choose "System mode" and then choose WCDMA, GSM or Dual and click Write.

From the Tuning menu, choose GSM -> Rx Calibration.

Check the "Load from Phone" check box and clear the "Save to Phone" checkbox.

From the Band dropdown menu, choose GSM900.

9241872 (Issue 1)

Table 13 Temperature sensor calibration tuning limits

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