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8. CIRCUIT DIAGRAM
1 2 3 4 5 6 7 8 9 10 11 12
A A
C111
22p
L199
100nH
FL102 DFYY61G95LBNBC-TT1
ANT
WCDMA_TX TX RX WCDMA_RX
G1
G2
G3
G4
G5
G6
B B
W101
KMS-507
C103 L101
G2 R101 0
RF
G1
ANT ANTPAD101
33p 1.8nH
FL101 L102
C101
LMSP43MA-288 8.2nH
7
1.2p
ANT
1
GSM900_RX
2
GSM1800_RX
10 3
VDD GSM1900_RX
9 4
VC1 WCDMA
8
VC2
5
VCG
12
GSM18001900_TX
13
GND5
GND4
GND3
GND2
GND1
C L105 GSM900_TX GSM_RX C
ANTSW0
DCS_RX
16
15
14
11
6
L104 PCS_RX
ANTSW1
DCS_TX
L103
ANTSW2 GSM_TX
R102
ANTSW3
0
D D
C110 C107 C106 C109 C105 C108 C102 C104
0.01u 10p 10p 0.01u 10p 0.01u 0.01u 10p
E R2250 E
VDD_A VDD_A
0
R2251
VDD_B VDD_B
0
C116 C117 C115
10u 10u 10u
2012 2012 2012
F F
R106
V_wivi_A
R103 0
VBATI
EXTLDO
0 R104
N101 LP3981ILD-2.8 V_wivi_B
1 6
VOUT VEN 0
R105 2 5
G VIN BYPASS G
0
3 4
7 GND2
VOUT_SE GND1
C113 C114 C112
0.1u 10u 0.033u
2012
H Engineer:
H
JS Joo LG ELECTRONICS INC.
Drawn by: Mobile Handsets R&D Center
JS Joo HW Group, Develpment Lab 6
R&D CHK: TITLE: Size:
A2
DOC CTRL CHK: U8550-spfy0106301-1.1
12 1 8 A
ANT SW to ANT
MFG ENGR CHK:
Page 1 of 7(RF Part 1 of 4)
Changed by: Date Changed: Time Changed: QA CHK: REV: Drawing Number: Page:
SG Kang 2004, May 16 5:01:55 pm 1
1 2 3 4 5 6 7 8 9 10 11 12
CIRCUIT DIAGRAM
1 2 3 4 5 6 7 8 9 10 11 12
A
Z201
TMXU753
6 1
IN- IN+
5 2
SHIELD GND
4 3
OUT+ OUT-
C218 C222
2200p C220 2200p
1.2p
L207 B
100nH
1608
C227
VDD_B RXQA
0.01u C229
RXQB
0.01u C228
C201 C203 RXIA
27p 27p 0.01u C226
RXIB
0.01u R210
R204 R203 R201 C205 MCLK
75 75 0
0
NA L208
L202 1uH
C221
82nH
82p
C
C219
0.01u
C202 C223
0.01u 0.01u
L201 R202
82nH 3.3K
R215
VDD_B
C215 C214 C208 C204 C207 10
2200p 22p
22p 0.1u 22p C225
22p
C206
A10
22p C231 C230 R216 R212
A1
A2
A3
A4
A5
A6
A7
A8
A9
C4
C5
C6
C7
VCXOCONT
330p
IFOUT
GNDMIX
VCCIF
IFINA
IFINB
VCCLF
QRA
QRB
IRA
IRB
CDQ
CDI
GNDLF
MCLK
47p 10K 1K
R213
C234 C232 C224 R214
NA
2.7p 4.7p V201 0.01u
B1 B10
IFOUTB VCCREF B201 BBY58-02W NA
C1 C10 TSX-8A
VCCMIX XOIA
D1 D10 4
C233
R211
3 HOT2
MIXINA XOIB GND2
NA
E1 E10
F1
MIXINB VCCBUS
F10
2 GND1 HOT1 1 D
GNDBIAS IFLOA 13MHz 56p
G1 G10
L204 C211 GNDEME IFLOB R217
H1 N201 H10 10K
WCDMA_RX J1
RFIN
LZT-108-5323
GNDRFLO
J10
2.2nH 22p GNDBYP RFLOOA
K1 C8
VCCRF XOOA
C3 D8
GNDIF XOOB
L205 D3 E8
DATA GNDREF
NA E3 F8
L203
F3
CLK GNDBUS
G8
IFLO
STROBE REFON
5.6nH G3 H8
GLNA GNDVCO IFLOBAR
GNDTUNE
VCCRFLO
GNDPHD
VCCVCO
VCCPHD
PHDOUT
RFLOOB
GNDPLL
VCCPLL
INDBYP
XOOON
C240 22p
RFOUT
VTUNE
RXON
C209 C210 RFLO
3.3p 3.3p R218
NA C239 22p
K2
K3
K4
K5
K6
K7
K8
K9
K10
H3
H4
H5
H6
H7
RFLOBAR
XOOA
XOOB
E
C212
22p R221
VDD_B
C237 C235 10
0.01u 22p
L206
NA
R205 R220
R206 0 10
C238 C236
5.6K 0.01u 22p
C216 C213
NA
TP202 TP203 TP201 390p
WDAT
R209
0
WRFLOOP F
WCLK
C217
WSTR 5600p