Samsung SGH-E350E Schematics

EDGE1_PA

+VDD_RX_TX_2.8V

GSM_TX

DCS_TX

PON_PA

RAMP

+VCC_SYN_2.8V

R116
18

R118
330

R106
0

C133
22PF

50V

+VCC_SYN_2.8V

L100
0

L113

NC

C135
10PF

50V

C138
15PF

C139
15PF

C140
15PF

C141
15PF

R117
330

470

+VCC_SYN_2.8V

L101
NC

C118
15PF

50V

C136
18PF

50V

L104
18nH

C137

50V

18PF

50V

L107

5.6nH

50V

50V

L110

6.2nH

50V

C134
10PF
50V

R107
12

R109R108
470

C119
47PF

50V

C120

+VCC_SYN_2.8V

NC

L106
0

C124
10PF

50V

23

22

24

26

28

29

30

27

VCCRF

31

LBIA

LBIB

SWBIA

32

SWBIB

33

GNDRF1

34

HBIA

35

HBIB

36

GNFRF2

37

LBO

38

TXVCC

39

SWON

40

GND2

4243

GND3
GND4

44

NC1

45

NC2

46

GNDRF3

HBO

1

2

EXTRES

VCCRFLO

U102

UAA3587EHN

FESW1

FESW26FESW3

GNDRF4

4

5

3

21

25

CTRL

REFIN

VCCCP

RFTUNE

VCCSYN

GNDREF

CLKFDBX

20

REFVCC

19

CLKOUT

18

PGMDIV

17

VDDL

16

GNDL

15

EN

14

CLK

13

DATA

12

VCCIF

11

IA7IB

QA10QB

GND1

9

8

41

C121

50V

100PF

C125
10PF

50V

C127
10PF

TCO-5871U 26MHz

R102

10

100PF

C126

50V

C131

0.5PF

50V

PON_3587_SYNTH

U101

2

3

GND

OUT

C122

50V

100PF

4

VCC

1

VCON

R101
10K

R115

R103

220K

220K

AFC

26M_CLK

D_REF_CLK

+VDD_IO_LOW_1.9V

RF_EN

RF_CLK

RF_DATA

NC

R105

+VDD_RX_TX_2.8V

CN100

KMS-510

AC3G1G

4

ANT102

ANT103

L102
18nH

J_ANT

F100

NFM18PC104R1C3D

13

VBAT

2

R100
0

FAR-F5EA-897M50-D27CH

1

IN

GND1 GND2

DCS

C109
47UF

6.3V

C111
100PF

50V

F105

3

OUT

C113

2

4

2.7PF

50V

L111

4.7nH

C114
NC

R110

1K

C117

2.7NF

50V

C110
1000NF

6.3V

313

L109

8.2nH

C115
NC

14

VBAT3

VBAT4

VSTAB

12

RFIN_LB

U100

4

BGY290E

RFIN_HB

VTXON

VDAC

MODE

VBAND

6

710

5

9

GSM_TXON

DCS_PCS_TXON

PCS_RXON

L108

6.8nH

C104

NC

2

118

VREF

VBAT1

VBAT2

16

RFOUT_LB

18

RFOUT_HB

G

VDET

G

G

1G19

1715

C105
15PF

50V

C107

NC

L112
NC

2

C100

1.2nH

C101
NC

10

VC1
VC212

33nHL105

9 VC3

11 GSM900TX

C103

1.5PF

50V

C102
27PF

50V

F706

GSM1800/1900TX

GG

14

7

8
ANT

LMSP54HA-350

GSM1900RX
GSM1900RX
GSM1800RX
GSM1800RX

GSM900RX
GSM900RX

L103
NC

3
4
1
213
5
6

GSM 900 RX

PCS 1900 RX

DCS 1800 RX

C106
NC

GSM_TX

PON_SW

+VDD_RX_TX_2.8V

DCS_TX

R111

MODE_SELECT

GSM_TXON

DCS_PCS_TXON

Tx(GSM900)

Tx(DCS1800/1900)

RX(GSM900)LL

Rx(DCS1800)

Rx(PCS1900)

GSM_TXON DCS_PCS_TXON

L

H

H

L

L

L

L

L

PCS_RXON

L

L(H)

L

L

H

PCS_RXON

C129

C142

10PF

10PF
50V

50V

G

0

R112

0

R113

0

R114

0

Title

Document Number

Date:

RX_TX_QP

RX_TX_QN

RX_TX_IP

RX_TX_IN

RF Schematic

SAMSUNG/SGH-E350E/RF

2005.06.10

Sheet 1 of 8

Rev

Rev 2.3