Tx Lo Leakage (Wcdma); Wlan Transmitter Troubleshooting; Wlan Tx Tuning - Nokia n80 User Manual
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Also See for n80:
- User manual (142 pages) ,
- Manual (128 pages) ,
- Aplicaciones adicionales manual (33 pages)
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RM-91; RM-92
RF Troubleshooting and Manual Tuning Guide
Nokia Customer Care
17. To save the tuned values to the terminal, click Write.
Tx Band Response Calibration window.
18. Close the
Tx LO leakage (WCDMA)
Context
The purpose of Tx LO leakage tuning is to minimize the carrier leakage of the IQ-modulator which is caused
by the DC offset voltages in the Tx IQ-signal lines and in the actual IQ modulator.
The tuning improves WCDMA Tx AGC dynamics at low power levels. A self-calibration routine selects the best
combination for internal control words in order to produce minimum LO leakage.
Steps
1. From the Operating mode drop-down menu, set mode to Local.
2. Choose Tuning→WCDMA→ Tx LO Leakage .
3. Click Tune.
4. To end the tuning, click Close.
WLAN transmitter troubleshooting
WLAN Tx tuning
Steps
Tuning menu choose WLAN TX tuning.
1. From the
2. Press Start.
Issue 1
COMPANY CONFIDENTIAL
Page 7 –57
Copyright © 2006 Nokia. All rights reserved.
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