LG GW620 - Page 55

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LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. Technical Brief
Figure. Block Diagram of RF Interface
TX_ON
DAC_IREF
TX_IQ
TC
X
O
TCXO_EN
TRK_LO_ADJ
RF_ON
DAC_IREF
SBDT
VCTCXO
19.2MHz
VCTCXO
19.2MHz
RTR6285
MSM7200A
HB_RF_OUT3
PRX_IQPRX_IQ
LB_RF_OUT1
FRONT END
MODULE
SKY77521
G850/900
WCDMA
Dual PAM
WCDMA
Dual PAM
SSBDT_RTR
PMIC_SSBI
DCS/PCS
HB_RF_OUT1
PDET_IN
PM7540
PM7540
TX_IQ
EGSM_INP
EGSM_INN
DCS_INP
DCS_INN
GPCS_INP
GPCS_INN
GCELL_INP
GCELL_INN
W2100
Duplexer
W2100
Duplexer
LB_RF_OUT2
WPRXLBN
WPRXLBP
WPRXSE2_OUT
WB_MX_IN
M
WB_MX_INP
TCXO
DRX_IQ
DRX_IQ
W1900
PAM
W1900
PAM
TX SAW
FILTER
TX SAW
FILTER
WPRXSE2
Saw
Filter
Saw
Filter
GPS_IN
VCONT
SBDT_SSBI
ANT_SEL0/1/2/3
CTRL0/1
/2/3
PMIC_TCXO
PA_POWER_CTL
GSM_PA_RAMP
VAPC
+Vbatt
VBATT
RX4
RX3
RX2
RX1
GSM850
EGSM900
DCS1800
PCS1900
HB_RF_IN
LB_RF_IN
TX SAW
FILTER
TX SAW
FILTER
TX SAW
FILTER
TX SAW
FILTER
RX SAW
FILTER
RX SAW
FILTER
RX SAW
FILTER
RX SAW
FILTER
HB_RF_OUT2
WPRXLBN
WPRXLBP
W900
Duplexer
W900
Duplexer
W1900
Duplexer
W1900
Duplexer
LNA
LNA
WCDMA900 TX
WCDMA2100 TX
WCDMA1900 TX
PA_RANGE0
VMODE1
VMODE2
VMODE0
VMODE1
GPS_LNA_EN
WCDMA_900_ON
WCDMA_2100_ON
GPIO58
GPIO22
GPIO110
WCDMA_1900_ON
PA_ON0
GPS_LNA_EN
WCDMA_900_O
N
WCDMA_2100_ON
WCDMA_19
00_ON
RX SAW
FILTER
RX SAW
FILTER