Samsung E780 Schematics

Mobilchips
Schematics & manuals on www.mobilchips.com ___Mobilchips__
Mobilchips
RFS101
U.FL-R-SMT(10)
3
11223
J_ANT
L101 NC
MODE_SELECT
+VDD_RX_TX
BAND_SEL
EDGE1_PA
DCS_TX
PON_PA
GSM_TX
FESW1 FESW2 FESW3
VBAT
RAMP
R109 NC
Tx(DCS1800/1900)
RX(GSM900)
Rx(DCS1800)
Rx(PCS1900)
F102
NFM18PC104R1C3D
13
2
L102
1.0NH
C103
C105
NC
1.8PF 50V
1K
R115
C143
2.7NF
50V
F103
FAR-F5EA-897M50-D27CH R107 0
IN1OUT
GND124GND2 R108 NC
VC3VC2
VC1
H
L
L
H
L
L
L
L
L
L
LL
H
L
L
C113
C112
10PF
10PF
50V
50V
C126
C123
TA100 47UF
33PF
10NF
10V
25V
16V
L127
5.6nH
C136
C137
NC
1PF 50V
3
5
4
6
NC
VBAT
MODE
7
RFIN_HB
TXON
8
BLM15AG102SN1D
L115
3
C129 NC
VDAC
9
VSTAB
U103
10
BAND
BGY292E
11
NC
C130 100PF
12
50V
NC
VREF
RFIN_LB
VBAT
VBAT
14
13
15
L118
8.2nH
Mobilchips
100nHL126
L109
100nH
C153 10PF 50V
1
2
GND
VBAT
RFOUT_HB
RFOUT_LB
GND
17
16
L107 NC
21
GND
2018
19
GND
C132
C151
C152
1000nF
100NF
10V
10V
G
RFS100 KMS-512
A23CG
1G4
C101
L108
L103
33PF
47nH
47nH
50V
F101
LMSP54HA-350
8
ANT
10
3
GSM1900RX
VC1
4
12
GSM1900RX
VC2
1
9
GSM1800RX
VC3
2
13
GSM1800RX
GSM1800/1900TX
5
11
GSM900RX
GSM900TX
6
GSM900RX
G
G
714
C133 39PF 50V
L120 NC
L116
5.6nH
C131 3PF
NC
50V
+VDD_RX_TX
DCS_TX
33PFC124 50V
C125
33PF 50V
33PFC111 50V
33PFC115 50V
33PF
C119
50V
33PFC121 50V
GSM_TX
PON_SW
FESW1
FESW2
FESW3
+VCC_SYN
L105 100nH
C149 18PF
+VCC_SYN
50V
L125 33nH
C150
8.2PF 50V
L104
3.3nH
PCS RX
L113
DCS RX
4.7nH
L114
GSM RX
39nH
25
22
24
26
28
23
29
30
27
VCCRF
31
LBIA
LBIB
GNDRF3
HBO
1
2
VCCCP
EXTRES
VCCRFLO
U102
UAA3587EHN/C2
FESW1
FESW26FESW341GND1
GNDRF4
4
5
3
CTRL
RFTUNE
VCCSYN
IB
9
8IA7
SWBIA
32
SWBIB
33
GNDRF1
34
HBIA
35
HBIB
36
GNFRF2
37
R110
0
C134 27PF
50V
LBO
38
TXVCC
39
SWON
40
GND2
4243
GND3 GND4
44
NC1
45
C147
NC2
46
10PF
50V
+VCC_SYN
R101 NC
C106
C107
10PF
NC
50V
2
GND
1
VCON
R105 220K
50V1NFC102
RF Schematic
SAMSUNG/SGH-E780/RF
2006.02.22
PON_3587_SYNTH
C120 100PF 50V
R103 10K
AFC
R106 220K
26M_CLK
D_REF_CLK +VDD_IO_LOW
RF_EN
RF_CLK
RF_DATA
RX_TX_QP
RX_TX_QN
RX_TX_IP
RX_TX_IN
Rev 0.6
Sheet
1 of 7
C110 NC
+VCC_SYN
R102 0
C117 10PF 50V
C116 100PF 50V
21
REFIN
GNDREF
CLKFDBX
20
REFVCC
19
CLKOUT
18
PGMDIV
17
VDDL
16
GNDL
15
EN
14
CLK
13
DATA
12
VCCIF
11
QA10QB
C127 220nF 10V
C140 10NF 16V
TCX100
TOH2600DGI4KRA
3
OUT
4
VCC
R120 10
C141 NC
R116
0
C144
R117
NC
0
R118
0
C145
R119
NC
0
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