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12
11
BAND20_MAIN
H
SW100
G1
C100
G
G2
ANT
F
C112
E
L112
10n
D
BAND20_DIVERSITY
C
SW101
G1
C139
47p
G2
ANT
B
SC100
SC101
SC102
1
1
1
A
12
11
LGE Internal Use Only
10
9
8
Red Circle : Rev.D -> Rev.1.0
698M
1732.5 MHz,2132.5 MHz
FL106
FL101
B7959
L115
1
3
C101
18p
L103 47p
RX1
47p
B2
6
8
8.2n
ANT
RX2
4
B1
C141
C142
3
TX
2
1p
DNI
GND1
R102
C102
4
7
L116
27n
4.7n
GND2
GND4
5
9
GND3
GND6
8.2n
SYS_PWR
R105
0
U101
SKY77704-18
47p
C152
CPL_OUT
PA_EN1
CPL_OUT
VEN
6
5
GND
VMODE_0
PA_MODE0
C150 47p
7
4
PA_MODE1
8.2p
C151
15p
CPL_IN
VMODE_1
C113
8
3
RFOUT
RFIN
9
2
VCC2
VCC1
10
1
PGND
C117
R109
C118
C119
11
R113
R112
R119
4.7K
DNI
49.9
1n
1n
1n
12n
C124
C125
C126
C127
C128
680p
DNI
10u
10u
680p
FL105
806MHz
L111
SAFEA806MCL0F00
RRFD1_INN
3.3n
2
3
C137 8.2p
1
G1 O1
L109
L110
IN
G2 O2
6.8n
DNI
5
4
L108
RRFD1_INP
R128
R129
3.3n
DNI
8.2n
10
9
8
7
6
5
960M
HHM1726T4
LNA0_MODE1
U100
BGA751L7
L117
1
1
UB
RFIN
RFOUT
4.7n
2
VEN
RREF
L104
10n
C143
C144
3
VGS
VCC
DNI
2.2p
C105
C106
C107
100p
1n
1n
SYS_PWR
R108
DNI
U102
SKY77704-18
47p
C153
CPL_OUT
VEN
842MHz
6
5
FL104
GND
VMODE_0
C154 47p
SAFEA842MAL0F00
7
4
47p
47p
CPL_IN
VMODE_1
1
4
C114
8
3
IN
OUT
RFOUT
RFIN
9
2
VCC2
VCC1
G1
G2
G3
10
1
PGND
2 3
5
L113
L114
11
R116
R120
R121
18n
12n
18n
49.9
49.9
C129
C130
C131
C132
330p
10n
2.2u
10n
PWR_DET&RF TEMP
2V8_RF
U103
A1
VDD
R124
C134
47p
B1
CPL_OUT
RFIN
130
C1
C136
GND
R126
R127
68
68
100p
7
6
5
- 79 -
4
3
2
2V8_LNA
R100
L105
4.7n
0
2
3
L102
L101
R101
C104
47p
FL109
6
1
G1 O1
5.6n
DNI
IN
SAFEA806MCL0F00
3.3n
G2 O2
806MHz
R103
5.6k
L100
5
5
4
4.7n
4
C108
C109
C110
DNI
10n
100n
R106
R107
0
C111
DNI
698M960M
PA_EN1
FL103
1n
HHM1726T4
3
C115 6.8p
47p
C116
B2
L106
1
UB
DNI
4
B1
C123
C120
R110
C121
C122
R117
R118
27n
4.7K
DNI
1n
1n
1n
1n
C133
2.2u
2V8_RF
PT100
R132
0
68K
R123
C135
R122
A2
TX_PWR_DET
OUT
10K
1n
1K
B2
NC
C2
EN
C140
100n
4
3
2
7. CIRCUIT DIAGRAM
1
H
RRFM1_INN
G
RRFM1_INP
F
TRF1_OUTP
L107
E
1p
TRF1_OUTN
D
C
RF_TEMP
B
A
1
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