Tx Path Of The Transmitted Egsm900 Signal - Nokia NEM-4 Series Troubleshooting Instructions
Transceivers
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Also See for NEM-4 Series:
- Disassembly instructions manual (8 pages) ,
- Service tools (22 pages)
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CCS Technical Documentation
EGSM Transmit Waveform (Continuous, Power Level 19)
TX Path of the transmitted EGSM900 signal
For easy error tracing it is important to know the signal path of the EGSM900 transmit-
ter. The components can be grouped into blocks and drawn as shown below. Note that
the following picture shows both EGSM900 transmitter (bottom) and GSM1800/
GSM1900 transmitter (top).
Issue 1 09/2003
Company Confidential
**Was drawing over 600mA during continuous operation**
Copyright 2003 Nokia Corporation.
Company Confidential
NEM-4
RF Troubleshooting
Page 6(b)-79
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