Gsm Receiver Tunings - Nokia N72 Service Manual

Nokia Customer Care
3. Click Tune.
Min
-20
4. To save the calibration values, click Write.
5. To finish the calibration, click Close.

GSM receiver tunings

Rx calibration (GSM)
Context
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)
Steps
1. Connect the GSM connector of the module jig to a signal generator.
Phoenix service software.
2. Start
3. Choose File→Scan Product.
4. From the Operating mode drop-down menu, set mode to Local.
5. Choose Tuning→GSM→Rx Calibration.
Page 7 –20
Table 12 Temperature sensor calibration tuning limits
Typ Max
-4 20
COMPANY CONFIDENTIAL
Copyright © 2006 Nokia. All rights reserved.
RF Troubleshooting and Tuning Guide
Unit
V
RM-180
Issue 1