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Only for training and service purposes
LGE Internal Use Only
4. RF Circuit Technical Brief
GM310f service manual
4.6 WCDMA Band1+8 Low Noise Amplifier
[Figure 4.6-1] Schematic Diagram of WCDMA Band1 LNA (BGA735)
[Table 4.6-1] BGA735 Pin description
2
7
0
1
C
F
R
V
_
5
8
V
2
u
1
.
0
H
n
7
4
0
9
0
1
L
RFGNDH1
RFGNDH2
5
8
1
M
D
N
G
F
R
2
M
D
N
G
F
R
9
H
N
I
F
R
7
10
RFINL
6
M
N
I
F
R
5
1
H
T
U
O
F
R
4
1
L
T
U
O
F
R
M
T
U
O
F
R
6
1
RREF
13
VCC
3
12
VEN1
VEN2
11
VGS
2
5
3
7
A
G
B
6
0
6
U
1
NC
7
1
D
N
G
P
4
p
3
5
9
0
1
C
6
1
0
1
L
H
n
1
.
9
K
7
2
9
1
0
1
R
3
0
1
1
C
I
N
D
8
9
0
1
C
p
2
2
3G_LNA_GAIN_CTRL
3G_LNA_CTRL_BC5_8
3G_LNA_CTRL_BC1