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(GSM900)

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

H

L

LL

H

L

C113

C112

10PF

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

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

G

RFS100 KMS-512

A23CG

1G4

C101

L108

L103

33PF

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

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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