6. BLOCK DIAGRAM
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Copyright © 011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
RTR6285
VCTCXO
19 2MH
W2100
W2100
TRK LO ADJ
Gelato RF Block Diagram
MSM7227T
D-Flip
RTR6285
PM7540
HB_RF_OUT3
19.2MHz
W2100
PAM
W2100
DUPLEXE
R
WCDMA
TX SAW
GPIO 105
TCXO E
TRK_LO_ADJ
TCXO I
BUFFER
USBPHY_SYSCLK
Flop
Coupler
PRX_IP
PRX_IN
TCXO
LB_RF_OUT2
TX_BIAS
WPRXLBP
PRX QP
I_IP_CH0
I_IM_CH0
Q IP CH0
PDET_IN
W900
DUPLEXE
R
W900
PAM
WCDMA
TX SAW
GPIO_105
TCXO_E
N
SSBI
TCX
O
TCXO_OUT
TCXO_I
N
Coupler
Tx
DRX_IP
DRX_IN
WPRXLBP
WPRXLBN
WPRXSE2
PRX_QP
PRX_QN
DRX_QP
DRX_QN
Q_IP_CH0
Q_IM_CH0
I_IP_CH1
I_IM_CH1
Q_IP_CH1
Q_IM_CH1
WPRXSE2_OUT
Module
SKY77544
Included
GSM PAM
TX_QP
TX_QN
LB RF OUT1
DAC IREF
GPS_IN
TX_IP
TX_IN
DAC REF
I_OUT_P
I_OUT_N
Q_OUT_P
Q_OUT_N
Rx SAW
LNA
GPS_LNA_EN
W2100
RX saw
WB_MX_INP
WB_MX_INM
GSM900
GCELL_INP
GCELL_INN
EGSM_INP
EGSM INN
HB_RF_OUT1
LB_RF_OUT1
RF_ON
_
SBDT
GPIO_59
TX_ON
_
WCDMA_900_ON PA_ON1
WCDMA 2100 ON
PA ON0
GSM850
DCS1800
PCS1900
Rx_GSM_850
Rx GSM 900
EGSM_INN
DCS_INP
DCS_INN
GPCS_INP
GPCS_INN
WPRXSE1_IN
VDDA
GPIO_106
GPIO_57
WCDMA_2100_ON PA_ON0
GPIO_79
GPIO_80
PA_PWR_CTL
Rx_GSM_900
Rx_DCS
Rx_PCS
Ant Sel
0,1,2,3
GPIO_[72:75]
GSM_PA_EN, GSM_PA_BAND
GSM_PA_RAMP
Gelato RF Block Diagram