Pam Schematic - LG GD510 Service Manual

3. Technical brief
GD510 Operational Description

3.23. PAM Schematic

L609
1.8n
C651
C610
1p
DNI
L605
3.9n
C620
C603
1p 1.5p
LGE Internal Use Only
LG Electronics
PGND GSM850_900_IN
15
GND3
8
GND2
11
GND1
14
TQM7M5005H
BY_CAP2
9
U601
BY_CAP1
13
GSM850_900_OUT MODE_SELECT
10
DCS_PCS_OUT
12
C614 C615
10n 10n
Figure 30 PAM schematic
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52/113
VBAT
7
TX_EN
6
VRAMP
5
VBATT
4
BS
3
2
DCS_PCS_IN
1
C630 C631 C601 C621 C647 C633
1u 33u 27p DNI
39p 100p
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Revision A
C637
LBAND_PAM_IN
4.7n
TXON_PA
R607 10K
PA_LEVEL
R609 1
PA_BAND
1
R606
PA_MODE
C640 100p
HBAND_PAM_IN
C639 C646 C638 C626
47p 39p 39p DNI
LGE Property