3. TECHNICAL BRIEF
- 33 -
LGE Internal Use Only
Copyright © 011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Figure 3.3.2 Band SW Logic Table
Figure 3.3.3 FEM CIRCUIT DIAGRAM
FL101
10
5
3
2
6
4
7
8
9
1 I1
O1-1
O1-2
O2-1
I2
O2-2
1
G
2
G
3
G
4
G
1p
C117
L104
2.2n
L108
1.5n
3.3n
L105
L106
3.3n
10n
C101
L109
6.8n
C118
3.3p
2.2n
L103
C114
22p
R104
100 R103
100
1K
R105
1.2p
C115
C112
DNI
C108
1n
C113
56p
C121
33p
R102
100
61
1L
6.8n
C120
3.3p
12n
L114
VBAT
L113
6.8n
L111
6.8n
3.6n
L110
C110
1n
C102
33p
C103
22u
C109
1n
21
1L
6.8n
DNI
L115
C119
33p
U101
12
11 01 9 8 7
13
6
14
5
15
4
16
3
17
2
81
1
91 02 12 22 32
G
UL
S_
D
N
G
P
M
A
R
V
EL
B
A
N
E_
XT
0L
RT
C
P
G
1L
RT
C
P
G
GND1
TT
A
B
V
GND2
NC3
RFIN_LB
GND9
GND3
GND8
RFIN_HB
ANT
GND4
NC2
5
D
N
G
6
D
N
G
7
D
N
G
1
C
N
0
X
R
RX1
C111
39p
C123
100p
1.5p
L117
SW101
4
3
2
1
ANT
COMMON
G3
G4
GND
RF_HB_TX
RF_LB_TX
RF_HB_RXN
RF_LB_RXP
RF_TX_EN
RF_ANT_SEL[0]
RF_ANT_SEL[1]
RF_TX_RAMP
ANT_FEED
RF_HB_RXP
RF_LB_RXN
GSM850/DCS
GSM900/PCS
)
R7
X,
K,
V6
1(
)2
10
2,
V0
1(
)0
P
N,J
,
V0
5(