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
[LGE475F] RF Block Diagram
RF Block Diagram
W850
(850)
W850_TX
Rx_WCDMA_ 850
SKY77584
DCS/PCS_Tx
GSM850/EGSM_Tx
GSM850/EGSM_Rx SAW
GSM_PA_RAMP
RTR6285_SSBI
GSM_PA_RAMP
GSM_PA_EN
PA_ON0
PA_ON1
GPS_LNA_EN
RTR_TXIP/IM,
RTR_TXQP/QM
RTR_RXIP/IM,
RTR_RXQP/QM
RTR_DRXIP/IM,
RTR_DRXQP/QM
MSM7225A
QCT
PA_R0
GSM_PA_BAND
ANT_SEL[3:0]
ANT_SEL[3:0]
GPIO[72:75]
TRX_LO_CNK
DAC_IREF
TX_ON
GPIO59
GPIO[72:75]
GPIO80
GPIO79
GPIO22
GPIO58
PA_ON0
PA_RANGE0
PA_POWER_CTL
Duplexer
W2100
Front-End-
Module
Duplexer
W850
GPS LNA
TCXO
WCDMA
PAM
(2100)
RF Transceiver
QCT
RTR6285A
WCDMA
PAM
(850)
DCS/PCS_Rx SAW
PA_ON0
PA_ON1
PA_R0
PA_R0
Rx_WCDMA_850
Rx_WCDMA_2100
Rx_W2100_LNA_OUT
W2100 Rx SAW
B9411
W2100_Tx
GPS_IN
OUT
VCONT
TCXO
WB_MIX_INM
WB_MIX_INP
WPRXSE2_OUT
WPRXSE2
WPRXLBP/WPRXLBN
PDET_IN
LB_RF_OUT2
HB_RF_OUT3
LB_RF_OUT1
HB_RF_OUT1
RF_ON
DAC_IREF
SBOT
GPS_IN
GPS BPF
GPS_LNA_EN
W850_Tx
GPS_IN
RFOUT
RFOUT
VEN
VEN
RFIN
RFIN
VMODE
VMODE