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LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. TECHNICAL BRIEF
PIN Name Description
1 MODE GMSK/EDGE Power control mode. L=GMSK, H=EDGE
2 DCS/PCS_IN RF input(DCS/PCS) DC Blocked
3 BS Band Select
4 REVD1 Reserved
5 VBATT DC Supply
6 VRAMP
Analog PA Bias Control(All Bands, EDGE Mode)
Analog Output Power Control(All Bands, GMSK Mode)
7 GSM_IN RF input(EGSM) DC Blocked
9 GSM_OUT RF Output(EGSM) DC Blocked
10,11 GND Ground
12 REVD2 Reserved
13,14,15 GND Ground
16 DCS/PCS_OUT RF Output(DCS/PCS) DC Blocked
Pad GND PAD GRID Ground pad grid is device underside.
3.25. Mode Selection
MODE circuitry selects GMSK modulation (logic 0) or EDGE modulation (logic 1). VRAMP controls the
output power for GMSK modulation and provides bias optimization for EDGE modulation depending on
the state of MODE control.
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