LG B2050 Service Manual - Page 96
Block Diagram - Rf
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6. BLOCK DIAGRAM BEE Project RF Block Diagram - 95 - 6. BLOCK DIAGRAM - RF VBAT ANT S/W DCS,PCS_OUT GSM_OUT GSM_IN DCS_IN PCS_IN TX_RAMP PA_EN PA_BAND PAM (RF3166) FEM (Murata) 2V75_VTCXO 13MHz DCS,PCS_IN GSM_IN B RXI RXO A TXI TXQ S Tranceiver E (SI4205) RF_PD S_EN S_CLK B S_DAT A 13MHz N AFC D ANT_SW1 ANT_SW2 2V8_VRT LDO VSYNTHEN
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- 95 -
6. BLOCK DIAGRAM
6. BLOCK DIAGRAM - RF
BEE Project RF Block Diagram
ANT
S/W
Tranceiver
(SI4205)
13MHz
LDO
B
A
S
E
B
A
N
D
PAM
(RF3166)
FEM
(Murata)
VBAT
DCS,PCS_OUT
DCS,PCS_IN
GSM_OUT
GSM_IN
GSM_IN
TX_RAMP
PA_EN
PA_BAND
13MHz
RXI
RXO
TXI
TXQ
RF_PD
S_EN
S_CLK
S_DAT
AFC
2V8_VRT
ANT_SW1
ANT_SW2
VSYNTHEN
2V75_VTCXO
DCS_IN
PCS_IN