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LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
3. DCS/PCS Rx
MODE=2(DCS),1(PCS)
SWRX=699,2
Test Program Script
1. GSM850 Rx
MODE=3
SWRX=198,2
v
Agilent 8960 Setting
CW Mode
GSM850 : -50dBm@Ch198(883.2MHz)
EGSM : -50dBm@Ch65(948MHz)
DCS : -50dBm@Ch700(1842.8MHz)
PCS : -50dBm@Ch700(1967.8MHz)
v
Oscilloscope Setting
(Top)
(Bottom)
①
②
DCS/PCS
Rx
GSM850/
EGSM Rx
Figure 4-27. GSM850/EGSM/DCS/PCS Rx path
RF Input
TP05
4.21.6 Checking RF Rx Path
A. GSM Rx path Level
U102
GSM/EDGE PA
(+Ant. SW)
GSM
Transceiver
U110
2. EGSM Rx
MODE=0
SWRX=64,2
Содержание TU750
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