Wcdma Transmitter Tunings; Tx Agc & Power Detector (Wcdma) - Nokia n81 Service Manual
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RM-179; RM-223
RF troubleshooting
• Setup the signal generator to correspond with the values on the
OK.
• Ensure Tuning Results are within limits specified in the table above: If values are OK, click Write to save
the values to the phone.
• Close the tuning window.
WCDMA transmitter tunings
Tx AGC & power detector (WCDMA)
Context
Tx AGC & power detector tuning has two purposes:
• to enable the phone to select the correct TxC value accurately in order to produce the required RF level
• to enable the phone to measure its own transmitter power accurately
There are two ways to perform the tuning. For an alternative method, see
Steps
1.
From the Operating mode drop-down menu, set mode to Local.
2.
Choose Tuning→WCDMA→Tx AGC & Power Detector.
3.
Click Start.
Wide Range pane, click Tune (the leftmost Tune button).
4.
In the
Issue 1
Figure 41 Pop-up window for WCDMA2100
COMPANY CONFIDENTIAL
Copyright © 2007 Nokia. All rights reserved.
Rx Calibration pop-up window and click
Alternative steps (page
4–51).
Page 4 –45
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