LG GW520 - WCDMA Band1;8 Power Amplifi er Module

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Only for training and service purposes
4. RF Circuit Technical Brief
GW520 service manual
4.5 WCDMA Band1/8 Power Amplifier Module
[Figure 4.5-1] Schematic Diagram of WCDMA Band1/8 PAM (AWT6224R)
[Table 4.5-1] AWT6224R Pin description
AWT6321 : BAND2/5
AWT6222 : BAND1/5
Line Length : 170mm
Place near to each port
P
lace near to each port
AWT6224 : BAND1/8
0.01u
C585
C586
0.01u
C584
100p
1000p
C582
13
RFOUT_900
8
RFOUT_IMT
VBATT
4
12
VCC
VCCA
11
1
VEN_900
VEN_IMT
7
3
VMODE1
5
VMODE2
AWT6224
U505
GND1
9
10
GND2
GND3
14
PGND
15
RFIN_900
2
RFIN_IMT
6
C568 68p
VBAT
VBAT
2V85 VRF
VBAT
C
D
10uC567
3G_PA_MODE1