User Guide

PAMS Technical Documentation RF Troubleshooting
NPM-5
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Power amplifier:
Pin (GSM1800) -
N502
Power amplifier:
Pout (GSM1800) - N502
DET0 - C588
RXTX switch
Vc2 - Z502
Power amplifier:
Vtxlo - N502
Power amplifier,
Pout (GSM900)
- N502
Antenna pad
Pin (GSM900)
- R551
Vpctrl (GSM900)
- R532
DCS_Tx - C569
GSM_Tx Z502
ANT- Z502
Vc1 - Z502