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3. TECHNICAL BRIEF
3.6 OFF-CHIP RF COMPONENTS
3.6.1 UMTS PAM(U1005:RF5184)
The UMTS PA output power is monitored by power detector circuits (U1000 : RTR6285).
This detector voltage can be used for transmitter calibration and monitor to meet RF system
specification.
W900 DUPLEXER
C1084
L1018
FL1002
ANT
4.7nH
33p
GND1
GND2
GND3
W2100 DUPLEXER
FL1004
GND3
8
GND2
4
GND1
1
L1027
2.7nH
3.3p
C1100
ANT
2
SAYZY1G95EA0B00
C1102
DNI
RX_WCDMA_2100
L1029
2.2nH
DNI
C1108
W1900 DUPLEXER
C1110
ACMD-7403
FL1007
L1032
DNI
NA
RX
TX
: Not support KC910 model
C1112
DNI
33p C1114
22p
C1116
LGE Internal Use Only
B7681
C1085
56p
TX
C1089
2.2p
RX1
RX_WCDMA_850_900_P
RX2
C1091
L1021
GND5
DNI
9.1nH
GND4
RX_WCDMA_850_900_M
C1094
2.2p
C1095
C1096
DNI
DNI
GND4
9
GND5
6
GND6
3
120p
C1099
TX
7
RX
5
L1025
NA
C1105
L1028
3nH
120p
C1109
DNI
RX_WCDMA_1900
[Figure 1.7] UMTS PAM, Duplexer, coupler
U1003
LDC15836M20Q-360
L1019
3.3nH
C1087
C1088
L1020
1p
DNI
NA
W900 COUPLER
R1024
PWR_DET
PDET_IN
56
W-PAM
U1006
LDC151G8820Q-359
C1106
4p
L1030
C1107
6.8nH
DNI
W2100 DUPLEXER
R1034
51
PWR_DET
2200p
C1111
Copyright © 2007 LG Electronics. Inc. All right reserved.
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2200p
VREG_WCDMA LB_2.85V
C1097
C1101
1000p
C1103
C1104
2200p
4.7u
NC4
VCC1_CELL
13
6
RFOUT_CELL
RFIN_CELL
14
5
NC5
VMODE_CELL
15
4
L1031
3.3nH
RFOUT_PCS
VREG_CELL
16
3
NC6
RFIN_PCS
17
2
NC7
VREG_PCS
18
1
RF5184
U1005
VREG_RF_2.85V
VREG_WCDMA HB_2.85V
L1033
C1115
1nH
2200p
C1117
1000p
Only for training and service purposes
VREG_WCDMA_PA
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