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L100
2.2nH
F100
C105 FAR-F5EB-942M50-B28CH VCC_RF_VCO
39PF 3
OUT
EGSMRX 1 IN C106 L101 C103
OUT 4 NC 18nH NC
G G L102
2 5 2.2nH
L103
15nH
L104 PON_SYN
18PF
F101 PON_RX
C107 FAR-F6EB-1G8425-B2BCH
39PF 3
OUT
1 IN L106 L105 C147 C148
DCSRX OUT 4 100PF 100PF
NC 6.2nH
G G L107
2 5 18PF
L108
12nH
VCC_SYN
C150 C151
NC NC
R121
3.6K
C118 R126
1.8NF
2.2K
C119 C120
390PF 560PF
FILM C121 X7R
(2012) 6.8NF (1005)
FILM
(2012)
30 29 28 27 26 25 24 23 22 21
31
FESW2
FESW1
RFLOVCC
GNDTUNE
RFTUNE
RFVCOVCC
SYNON
RXON
RFCPO
VCC_RX_TX RFVCC
SYNVCC
32
GSMIA 20
C122 C123 RFCPVCC VCC_CP
100NF NC 33
GSMIB 19
EN C124 C125
34 8.2PF 100NF
RFGND1 18
CLK
35
PCSIA 17
DATA
36
PCSIB 16
37 U100 REFVCC
RFGND2
UAA3536HN/C3 REFIN
15 C112 7PF
38
DCSIA 14
39 REFGND
C129
DCSIB 13 47NF
40 CLKFDBX
FESWON RF_EN_SYN
12 C127 33NF
CAFCSUP
42 GND2 (1608) RF_BBI_CLK
C109 43 GND3 11 R103
CLKOUT R125
TXCPVCC
NC 44 GND4 10
EXTRES
1K RF_BBI_DATA
TXCPO
TXRFI
IFVCC
45 NC1
TXON
GND1
46 NC2
QA
QB
IA
IB
1 2 3 4 5 6 7 8 9 10 41
3 4
OUT VCC
R105
22K,1% U101 R106 C130
TCO-9141G 220K NC
GND VT
2 1
R122
47
R108
10K
AFC
R100 R120 C132 R107
0 0 100PF 220K
VCC_TX_BURST VCC_CP
C133 C134 C135 C136
1UF 1NF 100NF 8.2PF
MEL_13M
R111
0
D_REF_13M
VCC_SYN
C137
100PF
R112 R110 R113
120 91 C138 NC
1UF
(1608)
7
R116
VB2
VB1 5.6K
QRX_TX_N
5 R114
DCSTX OUT1 12
U102 9 C131
MQW510C869M VC 220PF
EGSMTX 1
OUT2
14 R104
G
75 C102
SW1 SW2 G G G NC G G 220PF
C104 R117
R101 2 4 3 6 8 10 12 13 20PF X7R 5.6K
C142 QRX_TX_P
1K (1005)
TXVCO_SW1 22NF
U475
DUAL_TXVCO 220PF
C144
10PF
R118
5.6K
IRX_TX_N
R102 C149
1K 220PF
TXVCO_SW2
C146 R119
10PF 5.6K
IRX_TX_P
U476
220PF
PON_TX
Title
RF Schematic
Size Document Number Rev
A3 SAMSUNG/SGH-E708/RF Rev1.8
Date: 2003.10.31 Sheet 1 of 8
VBAT
C211 C831 C212
100UF 10UF ANT1 ANT2
6.3V 10V 33PF
CN201
MBO-145
2 OUT IN 1
C223 JT_ANT
12PF
6 5 4 3
L200
C201 12nH
L203 33PF
L209
NC 12nH
3 8 9 10 11 12 13 14 15 16 1722 43 42 23 24 25 26 27 28 29 33 36 44 38
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
VBATT
VBATT
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
R204
22 6
48
EGSMTX GSM850/900IN GSM850/900OUT
L204
31 2.7nH
47
GND1GSM DCS/PCSOUT
46 4 C202
VCC1GSM GND L206
2PF NC
5
GND
1 GSMINTERGND
7
R207 GND
39 30 U205
37 LMG002S-5047A
DCSTX DCS/PCSIN GND 8
VC1
U201 GND
32
5 EGSM_TX
ANT
VC1
2
VC1
C208
RF3146 GND
34
EGSMRX
3
10
DCS_TX
EGSM_RX VC2
11
VC2
33PF 1
49 DCSRX DCS_RX
GND