Samsung SGH-X540 Schematics
1
SAMSUNG PROPRIETARY
THIS DOCUMENT CONTAINS CONFIDENTIAL
PROPRIETARY INFORMATION THAT IS
SAMSUNG ELECTRONICS CO’S PROPERTY.
DO NOT DISCLOSE TO OR DUPLICATE FOR OTHERS
EXCEPT AS AUTHORIZED BY SAMSUNG.
A
3
42 11
5
6
7
9
10
128
A
B
+VCC_SYN
C
PCSRX_P
PCSRX_N
DCSRX_P
D
EGSM_TX
E
F
DCS_TX
DCSRX_N
+VDD_RX_TX
L107
8.2nH
C123
C124
NC
R110
NC
470
+VDD_RX_TX
L114
4.7nH
C136
C135
NC
NC
C122
39PF
R106
12
R111
470
R118
0
R122
NC NC
EGSMRX_P
EGSMRX_N
L101
100nH
L118
1.5nH
L119
1.5nH
C114
2.2nH
C116
2.2nH
L104
47nH
L110
R104
15nH
NC
C120
2.7PF
L111
22nH
C133
10PF
L117
C134
8.2nH
NC
C130
R123
1.2PF
C100
33PF
L100
18nH
C103
33PF
C106
C108
39PF
10PF
50V
L102
PCS Rx
NC
L103
NC
DCS Rx
C121
68PF
C127
1.5PF
C125
68PF
L106
15nH
C131
27PF
C138
1.2PF
C137
27PF
L113
8.2nH
EGSM Rx
R103
3.3K,1%
C110
100nF
27
24
22
25
28
23 21
26
2930
VCCRF
31
LBIA
LBIB
SWBIA
32
SWBIB
33
RFGND1
34
HBIA
35
HBIB
36
RFGND2
37
LBOA
38
LBOB
39
L105
82nH
L109
82nH
L112
39nH
L116
39nH
RFGND3
40
42
GND2
43
GND3
44
L108
GND4
45
47nH
NC1
46
NC2
FESW1
HBOA
HBOB
3
2
1
4
L115
12nH
VCCRFLO
FESW2
EXTRES
UAA3537HN/C1
FESW3
5
CTRL
VCCCP
U100
IB
6
20
VCCSYN
REFIN
RFTUNE
TUNEGND
VCCRFVCO
19
REFGND
18
CLKFDBX
17
VCCREF
16
CLKOUT
15
VDD
14
EN
13
CLK
12
DATA
11
SWON
VCCIF
GND1
QA
QB
IA
10
7
8
9
41
C128
10PF
C142
47PF
C143
47PF
R100
100nH
+VCC_SYN
C102
C101
39PF
10PF
R101
5.6K
C104
220PF
C105
(1608)
2.2NF
(1608)
C112
10PF
C129
39PF
R117
R120
R121
PON_3537
R102 0
+VCC_SYN
C115
100PF
C117
100PF
C118
VDD3
RF_EN
RF_CLK
RF_DATA
PON_SW
R113
0
+VDD_RX_TX
4.7K
RX_TX_QP
4.7KR119
RX_TX_QN
4.7K
RX_TX_IP
4.7K
RX_TX_IN
1000nF
10V
C132
10NF
50V
OSC101
1XTV26000UOA
34
OUT
VCC
2
1
VCONT
GND
NC8NC
NC
6
5NC7
C126
100PF
50V
MEL_CLK26M
R105
220K
R108
10K
AFC
R112
220K
BT_13M
D_REF_13M
G
VC1
VC2
C140
C139
4.7PF
10PF
H
Changed by
Date Changed
1 12
2
3 6
4
5
8
gsm
9
2006.12.05
107
Time Changed
Engineer
gsm
Drawn by
gsm
R&D CHK
DOC CTRL CHK
MFG ENGR CHK
QA CHK
11
TITLE
REV
0.9
SAMSUNG ELECTRONICS
SGH-X540
(RF part)
Drawing Number
B
C
D
E
F
G
H
Size
A2
Sheet
of
9
1
1
SAMSUNG PROPRIETARY
THIS DOCUMENT CONTAINS CONFIDENTIAL
PROPRIETARY INFORMATION THAT IS
SAMSUNG ELECTRONICS CO’S PROPERTY.
DO NOT DISCLOSE TO OR DUPLICATE FOR OTHERS
EXCEPT AS AUTHORIZED BY SAMSUNG.
A
2
3
4
5
6
7
8
9
10
11
12
A
B
RFS200
KMS-512
G4G
2AC31
C
C201
33PF
VBAT
TA200
C202
47UF
100nF
10V
D
R202
DCS
8.2K
RAMP
PON_PA
C204
100nF
C210
10V
0.18nF
50V
U200
RPF08155B-01-TB
17
VERROR
7
VAPC
16
VBAND
12
VRAMP
14
VTXB
27
NC
26
NC
C211
220PF
50V
15
VDD_IC
3
VDD1
11
VDD2
PIN_GSM850|900 1
PIN_DCS|PCS 13
POUT_DCS|PCS 9
POUT_GSM850|900 5
GND
GND
GND
GND20GND21GND22GND23GND24GND
GND18GND19GND
GND
4
6
8
2
25
10
E
F
G
10V
EGSM_TX
DCS_TX
C216
3PF
C205
NC
L210 6.8nH
C215
2.7PF
VC2
VC3
L
L
H
H
L
L
L
L
H
L
C212
100nF
10V
R205 0
C213
100nF
10V
Tx(GSM900)
Tx(DCS1800/1900)
RX(GSM900)
Rx(DCS1800)
Rx(PCS1900)
VC1
H
L
L
L
L
Antenna S/W Control Circuit
100nHL206
VC1
L207 100nH
VC2
C206
NC
C214
2PF
C208C207
10PF
10PF
50V
50V
50V
U201
9
VC1
12
VC2
11
EGSMTX
13
DCS|PCSTX
L203
NC
L204
L205
NC
100nH
8
ANT
1
DCS_RX1
2
DCS_RX2
5
EGSM_RX1
6
EGSM_RX2
3
PCS_RX1
4
PCS_RX2
G
10GG14
15GG16
LMG003W-5135A
7
H
Date Changed
Changed by
1
2
3
4
5 9
6
7
8
gsm
ANT200
ANT201
ANTCON-X660
ANTCON-X660
1
1
1
1
2
2
2
2
3
3
3
3
4
4
4
4
5
5
5
5
6
6
6
6
R200
2.7PF
C200
NC
DCSRX_N
DCSRX_P
EGSMRX_N
EGSMRX_P
PCSRX_N
PCSRX_P
2006.12.05
10
Time Changed
Engineer
gsm
Drawn by
gsm
R&D CHK
DOC CTRL CHK
MFG ENGR CHK
QA CHK
R201
0
TITLE
REV
0.9
11
SAMSUNG ELECTRONICS
SGH-X540
(RF part)
Drawing Number
Sheet
2
12
B
C
D
E
F
G
H
Size
A2
9
of
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