TX_2.5V
C112
SHORT
R141
C168
C167
2 2
HJ-ICT-05Y
L106
1
1
C129
R132
ground
L122
C178
C176
C103
TP_SPI_EN
R144
L110
PLL_RX_1.2V
C105
C170
C151
C123
G
3 4
G
C150
RFS101
2
A
C
1
C114
C173
C164
RX_1.2V
TP_SPI_CLK
L112
C163
TX_1.2V
R120
PLL_TX_1.2V
RX_1.2V
C115
C116
ground
C109
C106
SHORT
R140
SHORT
R139
C181
C104
R143
C110
R100
C148
TX
L109
6
G
2 4
G G
5
G
7
G
9
RX 1
8
RX
3
F102
ANT
C127
C149
C136
R108
C177
C137
V100
RX_1.2V
C135
C125
L113
L108
C113
C122
GND 3
5 NC
2
NC
OUT
4
VC 1
VCC
6
OSC100
G
IN
1
3
OUT
OUT
4
C146
C180
F103
2
G
5
R102
L123
RF_1.8V
R107
C161
C107
R131
C140
1
2
2
C154
L111
HJ-ICT-05Y
1
C128
R136
R106
R128
L105
C126
C152
GND
RX2C_LNA_IN
N9
C121
GND
RX2_RF_VDD12
N13
GND
N2
RX1B_LNA_IN
N3
GND
N4
RX1C_LNA_IN
N5
RX_LO_VDD12
N6
RX_CP
N7
N8
GND
RX_LOIO
M6
RX_VCO_VDD12
M7
RX_CP_HOLD
M8
RX_LOCK
M9
RX1_RF_VDD12
N1
GND
N10
RX2B_LNA_IN
N11
N12
RX1A_LNA_IN
RX2C_LNA_LOAD
M10
GND
M11
RX2B_LNA_LOAD
M12
RX2A_LNA_IN
M13
RX1B_LNA_LOAD
M2
GND
M3
RX1C_LNA_LOAD
M4
M5
GND
GND
K7
GND
K8
GND
K9
GND
L1
RX2A_LNA_LOAD
L12
GND
L13
RX1A_LNA_LOAD
L2
M1
GND
RX1_MIX_DEGEN
K1
GND
K10
RX2_RF_VDD12
K12
RX2_MIX_DEGEN
K13
RX1_RF_VDD12
K2
GND
K4
GND
K5
K6
RX2_BB_QM
RX2_BB_QP
J13
RX1_BB_QM
J2
GND
J4
GND
J5
GND
J6
GND
J7
GND
J8
J9
GND
GND
H5
GND
H6
GND
H7
GND
H8
GND
H9
RX1_BB_QP
J1
GND
J10
J12
GND
GND
G8
GND
G9
RX1_BB_IP
H1
GND
H10
RX2_BB_IM
H12
RX2_BB_IP
H13
RX1_BB_IM
H2
H4
RX1_BB_VDD12
RX2_OPD
G10
RX2_BB_VDD25
G12
RX2_BB_VDD12
G13
RX1_BB_VDD25
G2
RX1_OPD
G4
GND
G5
GND
G6
G7
TCXO_IN
GND
F2
GND
F4
GND
F5
GND
F6
GND
F7
GND
F8
GND
F9
G1
GND
GND
E6
GND
E7
GND
E8
GND
E9
RX_RBIAS
F1
RX_PLL_DVDD12
F10
RX_PLL_AVDD12
F12
F13
GND
GND
D9
GND
E1
TX_PLL_DVDD12
E10
TX_PLL_AVDD12
E12
TCXO_VDD12
E13
TX_RF_VDD12
E2
GND
E4
E5
GND
GND
D12
TX_CP
D13
TX_RF_VDD25
D2
GND
D4
GND
D5
GND
D6
BURN
D7
D8
TX_BB_QM
TX_LOCK
B8
TX_LOIO
B9
TXC_OUTM
C1
SPI_WDAT
C12
VDDM18
C13
TX_RF_VDD25
C2
TX_RF_VDD25
D1
D10
TX_CP_HOLD
SPI_VDD12
B12
SPI_CK
B13
TX_RF_VDD25
B2
GND
B3
GND
B4
TX_BB_VDD12
B5
TX_BB_IM
B6
B7
TXA_OUTP
TX_RF_VDD12
A5
TX_BB_IP
A6
TX_BB_QP
A7
TX_RBIAS
A8
TX_VCO_VDD12
A9
TXC_OUTP
B1
TX_LO_VDD12
B10
B11
NC
TXB_OUTM
A1
GND
A10
FS_VDD25
A11
SPI_ST
A12
SPI_RDAT
A13
TXB_OUTP
A2
TXA_OUTM
A3
A4
U101
NC
1
2
R101
C100
L101
L120
VDD2.8_PDET
C133
L104
TP_SPI_RDATA
TP_SPI_WDATA
C166
4
3
VMODE_1
VPAM_LTE_3.3V
R138
6
7 GND
11
GND
RF_IN 2
9 RF_OUT
1
VCC1
VCC2
10
5
VEN
VMODE_0
RX_1.2V
U100
CPL_IN
8
CPL_OUT
C131
TX_2.5V
R123
L114
RF_1.8V
TX_1.2V
R130
C120
ground
L117
C139
C138
RFS100
A
2
1
C
3
G G
4
C147
L100
C169
C162
C145
C134
BLM15PG100SN1D
L124
C130
C179
3 BAL
BAL
4
G
2
5
G
NC
6
1
UNBAL
L103
F105
4 5
G
7
G
9
G
1
RX
RX 8
TX
3
F101
6
ANT
2
G G
L126
L107
RX_2.5V
VDD_1.8V
L125
BLM15PG100SN1D
3
4
BAL
2
G
G
5
6
NC
UNBAL 1
ground
F104
BAL
RF_2.5V
C160
R134
C142
L127
C102
C101
R110
R133
VDD_CORE_1.2V
RF_2.5V
C108
R109
C175
L116
VPAM_LTE_3.3V
PLL_TX_1.2V
SHORT
R142
L118
RFIN
2
VDD
1
C117
U102
EN 4
3 GND
7
GND
OUT 6
5
REF
C144
R137
C132
C153
R116
C182
RX_2.5V
C124
RF_2.5V
C111
R135
C159
PLL_RX_1.2V
TCXO_2.8V
L121
L119
CLP_OUT
TXA_OUTP
PA_BAND20_OUT
RF_ON3
LTE_PA_PDET
PA_ON_OFF
TXA_OUTM
PA_ON_OFF
VMODE_0
VMODE_1
CLP_OUT
PA_BAND20_OUT
SPI_WDATA
SPI_RDATA
SPI_EN
SPI_CLK
RX1_QP
RX1_QN
RX2_IP
RX2_IN
RX2_QP
RX2_QN
TX_QN
TX_QP
TX_LOCK_DETECT
RX1_IP
RX1_IN
TX_IN
RFIC_XTAL
RX_LOCK_DETECT
TX_IP
TXA_OUTM
TXA_OUTP
TCXO_OUT
RFIC_XTAL
TEMP_RF
TCXO_AFC
ANT
LTE TX
LTE RX
SIM
POWER ON
GT-B3740
SVC Schematics
SAMSUNG PROPRIETARY
THIS DOCUMENT CONTAINS CONFIDENTIAL
PROPRIETARY INFORMATION THAT IS
SAMSUNG ELECTRONICS COS PROPERTY.
DO NOT DISCROSE TO OR DUPLICATE FOR OTHERS
EXCEPT AS AUTHORIZED BY SAMSUNG.
