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4. TROUBLE SHOOTING
B. GSM Tx Output Level Check
Check GSM850/EGSM/DCS/PCS output power
at ①.
Check if there is any Major difference.
Refer to Figure 4-42.
GSM850>32dBm
EGSM>32dBm
DCS>29dBm
PCS>29dBm
No
See Next page to check Tx path
Similar?
Yes
GSM850/EGSM/DCS/PCS Tx path OK.
See Chapter 4.8.6 to check Rx path
v Agilent 8960 Setting
: GSM BCH+TCH Mode
v Oscilloscope Setting
3. DCS Tx
MODE=2
SWTX=699,0,1024,1
Test Program Script
1. GSM850 Tx
MODE=3
SWTX=190,64,5,1024,1
4. PCS Tx
MODE=1
SWTX=661,0,1024,1
Figure 4-42. GSM850/EGSM/DCS/PCS Tx Level at
2. EGSM Tx
MODE=0
SWTX=49,5,1024,1
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