LG GW520 - WCDMA Band1;8 Low Noise Amplifi er

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Only for training and service purposes
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4. RF Circuit Technical Brief
GW520 service manual
4.6 WCDMA Band1/8 Low Noise Amplifier
[Figure 4.6-1] Schematic Diagram of WCDMA Band1/8 LNA (BGA735)
[Table 4.6-1] BGA735L16 Pin description
Band 1 / 2 Change
Band 1 / 2 Change
3G Band8 Rx
3G Band1 Rx
12
VEN1 VEN2
11
VGS
2
U506
1
NC
17
PGND
4
RFGNDH1 RFGNDH2
5
8
RFGNDM1
RFGNDM2
9
RFINH
7
10
RFINL
6
RFINM
15
RFOUTH
14
RFOUTL
RFOUTM
16
RREF
13
VCC
3
EUSY0365001
BGA735
33K
R530
12p
C594
L527
L523 6.2nH
12nH
L525
3.3nH
R528 0
C602 3.9p
L526
3.3nH
1.5p
C596
2V85_VRF
C593
0.01u
4.7p
C606
0R526
1.5pC592
4.7nH
L528
R527
DNI
DNI
R525