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4. Trouble Shooting
B. GSM Tx Output Level Check
Check EGSM/DCS/PCS output power at ①.
Check if there is any Major difference.
Refer to Figure 4-19-5.
EGSM>32dBm
DCS>29dBm
PCS>29dBm
No
See Next page
to check Tx
path
Similar?
Yes
EGSM/DCS/PCS Tx path OK.
See Chapter 4.19 to check Rx path
v Agilent 8960 Setting
: GSM BCH+TCH Mode
v Oscilloscope Setting
2. DCS Tx
MODE=2
SWTX=699,0,1024,1
Test Program Script
3. PCS Tx
MODE=1
SWTX=661,0,1024,1
Figure 4-19-5. EGSM/DCS/PCS Tx Level at
1. EGSM Tx
MODE=0
SWTX=49,5,1024,1