5. BLOCK DIAGRAM
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Copyright © 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
[D802] RF Block Diagram
2. RF Block Diagram
TX_OUT_B7_B38_B40
PRX_B20
DRX_B7_B40
DRX_B1_B3
DRX_B20
WTR1605L
TX_HB
TX_MB4
TX_MB3
TX_MB2
TX_LB3
TX_LB1
PDET_IN
PRX_HB_INP/M
PRX_MB3_INP/M
PRX_MB1_INP/M
PRX_MB2_INP/M
DRX_HB_INP/M
DRX_MB_INP/M
DRX_LB2_INP/M
DRX_LB1_INP/M
GNSS_INP/M
HCPA
FEMid
•
GSM Quad
•
UMTS B1/2/5/8
•
LTE
B1/3/20
Ant. 1
•
LTE
B7/40
Ant. 2
•
LTE
B1/3/20 DRX
Ant. 3
•
GNSS
•
LTE
B7/8 DRX
Ant. 4
B3
DPX
B20
PAM
B20
DPX
B20
TX SAW
B3
DP4T
B7,40
SP3T
B40
PAM
B40
TX SAW
B7
DPX
B7
PAM
B7/40
SPDT
CPL
B40
RX SAW
B7/40
DP4T
B5/8
TX SAW
B1/3/20
DRX SP3T
B1/3
DUAL RX
FILTER
B20/40 RX
FILTER
B7/40
DP4T
GNSS
Extractor
FILTER
SPDT
GPS LNA
MODULE
B5/8
RX FILTER
B7
RX FILTER
G1800/1900
G850/900
B1
B2
B5
B8
PRX_G1800
PRX_B2_G1900
PRX_B1
PRX_B5_G850
PRX_B8_G900
TX_OUT_B1_B2
TX_OUT_B3_B4
TX_OUT_GSMHB
TX_OUT_GSMLB
TX_OUT_B5_B8
TX_LB2
PRX_LB3_INP/M
PRX_LB2_INP/M
PRX_LB1_INP/M
DRX_B7_B40
DRX_B5_B8
GNSS
PM8941
MSM8974
QFE1101
RFFE1_CLK
RFFE1_DATA
RFFE2_CLK
RFFE2_DATA
Att. 3dB
WTR_PDET_IN
B7_CPL_OUT
+VPWR_RF
RFON0
RXON0
WTR_SSBI_PRX_DRX
WTR_SSBI_TX_GNSS
WTR_GPDATA1
WTR_GPDATA0
WTR_PRXBB_I_Q
WTR_DRXBB_I_Q
VPA/VPA_GSM
RF bypass boost
+VPWR
+1V8_VREG_S3A
+1V3_VREG_L4
+2V05_VREG_L15
+2V7_VREG_L16
SPDT
RFFE1_CLK
RFFE1_DATA
RFFE2_CLK
RFFE2_DATA
RF_ON
RX_ON
Att. 3dB