LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3.2 RF Block Diagram
3. TECHNICAL BRIEF
- 14 -
-TX_ON
-TX_AGC_ADJ
-DAC_REF
-TX_IQ
- SSBDT_RFR
-TCXO
-TCXO_EN
-TRK_LO_ADJ
RF_ON -
VCONTROL-
DAC_REF -
TX_IQ -
SBDT -
RX_IQ -
SSBI -
TX SAW
FILTER
-LB_LNA_IN
VCTCXO
19.2MHz
PLL1
T
CX
O
RFR6275
RTR6275
MSM6260
-HB_RF_OUT1
- RX_IQ
-V
_T
UNE
1
PM6650
RX_IQ -
UMTS RF
GSM RF
-EGSM_INP
-EGSM_INN
-DCS_INP
-DCS_INN
-GPCS_INP
-GPCS_INN
-LB_RF_OUT1
GSM
QUAD PA
PLL
TC
XO
UM
T
S_C
P_OU
T-
FRONT
END
MODULE
SP8T
RX SAW
FILTER
HB_I
N
P
-
HB_L
N
A_OUT
-
HB_I
N
M
-
WCDMA 8
5
0
DUPLEXER
WCDMA 1
9
0
0
DUPLEXER
GCELL/EGSM
TX SAW
FILTER
WCDMA
Dual PA
-LB_RF_OUT2
PLL2
-V
_T
UNE
2
Loop
filter
T
CX
O
-SSBDT_RTR
-PM_SBDT
SBDT -
BLUETOOTH RF MODULE
TCXO
BT_SBST/CK/DT
BT_RX_TX_N
BT_DATA
BT_SBST/CK/DT
BT_RX_TX_N
BT_DATA
BLUETOOTH RF
TX SAW
FILTER
DCS/PCS
-HB_RF_OUT2
-GCELL_INP
-GCELL_INN
-HB_LNA_IN
RX SAW
FILTER
LB
_IN
P-
LB_LNA_OUT-
LB
_IN
M-
Coupler
Coupler
-PWD_DET_IN