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3. TECHNICAL BRIEF
3.26 Power Amplifier Module
Table 10 PAM pin description
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Figure 28. Power Amplifier Circuit Diagram
Pin Mame 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.