Samsung Sgh-A308 Gms

7/23/2019 Samsung Sgh-A308 Gms

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COIL

L502

47PF

C545

Tlcpo

Dcs_Rx

NC

Dcs_Rx

Tx_En0

Highband

Rx_Gain0

R517

U512

1

V_DPAC

R51320K,1%

COIL

COIL

COIL

4

Gsm_Rx

C543100PF

3.3nH

Dcs_Sw

Gsm_Rx

Gsm_Tr

Rx_En1

1NFC501

C52733PF

VCCD

6

7

2K

VTIC

C655

NC

10K

R505

51

1.2PFC511

C540

2PF

3

2

8

1

390

1K

2

5

6

3

1

4

C531

3.9NF

R524200

R52010K,1%

10K,1%

2GND1

U513

VBat

C505

100PF

R519

1K

C52010PF

1A

1B2 71Y

2A 5

62B3 2Y

4 GND

VCC 8

L5031.6nH

NC

C658

15PF

V_DPAC

C528

10NF

C504100PF

R528

10K,1%

10nHL603

CN500

Gsm_Tr

Dcs_Tr

Dcs_Tr

Txrf1

Tx_En2

Highband Gsm_Sw

Dcs_Sw

U500

2

5

6

3

1

NCC656

R516

10K,1%

10PFC515

U509

2

5

6

3

1

4

U508-1

4

C503

33PF

10nHL506

C508100PF

10PFC547

3K

C541

1PF

R532

C53722PF

Q5002 3

1

D500

1

2

3

4

10PFC535

OUT7

OUT5

TERMI

4

VTIC

C653

LAM1

8COUP

2GND

6GND

IN1

IN3

AN500

11

2233

33PF

C519

VCCD

U501

G

IN2

OUT5

R52110K,1%

6

VCC2 8

F500

G

1 3

G G

4 6

G N D 4

G N D 5

9 11

G N D 6

13

G N D 7

G N D 8

15

G N D 9

17

GSMIN4

G S M O U T

10

VCC1

19

20 GND12

21GND13

GND14 22

23GND15

GND16 24

G N D 2

3

G N D 3

5 7

APC14

BS16

DCSIN2

12DCSOUT

1

G N D 1

18 GND10

GND11

R500

U510

LOGND12

LOIN13

1 NC

11NC

STEPSEL18

VCC5

6 VCC

VCC20

G

2223

G G

24

GAINSEL7

IFOUT+ 17

16IFOUT-

8 LNA1800IN

4 LNA900IN

2 G

25

G G

26

3 G

9 G

G15

G19

21

G

U507

14BANDSEL1

10 ENA

C544

C530

100PF

3

1

U503

2

51

R506

VRF

0

R501

0R649

R51010K

1

5VB2

VC 3

4

G N D 2

G N D 3

8 11

G N D 4

GND5 12

10OUT1

6OUT2

SW1

7

SW29

VB1

10PF

C506

2

5

6

3

1

4

U502

C524

330NF

33PFC539

C51833PF

F501

G

1 3

G G

4 6

G

IN2

OUT5

3.3nHL505

C509100PF

NCL500

5RX_GSM

11TX_DCS

1TX_GSM

VC12

4VC2 VC3

8

VC4 10

U505

9ANTGND1

3

6

GND2

GND3

12

RX_DCS 7

VRF

R5316.2K

R512

U508-2

5

10K,1%

22PFC525

R523150

C5381NF

27PF

NC

C529

C542

C523NC

VCCD

U506

C54622PF

10K,1%R515

5.1R507

R527

2K

R522

R502

22PFC512

100PF

C500

220

10K

R503

15PFC659

22PF

C516

R518

120

Q501

2

3

1

R514

200

R508

C5

22PFC517 GND1 3

4GND2

GND3 5

6GND4

1

IN

2

OUT

6.3100

C514

1.5PF

33PFC533

2KR511

Gsm_pa

Dcs_Pa

C5076.8PF

Tx_En1

Highband

APC

APC

Tx_En0

Tx_Pwr+

Rf_Cpl

Rf_Cpl



C342

C328

Txlo1

NC

R30915

VRF

VRF

6.3

C319

33PF

C339

R316

10NF

51R310

Uhf_Tune

Syn1_En

Txif+

Txif-Syn_Ref

Txmom

Txrf1

L306

C3382.2PF

Tx_Q+

Txif-

Rxmxo

Txmop

Vhf_TuneSyn_Dat

Syn_Clk

2.2PF

10PFC324

L304

Tx_I-

Tx_I+

C304

2.7PF

L30533nH

R311

NC

D300

3

2 1

33PF

C315

2012

COIL

COILC

15PFC334

8.2nH

L302

33nH

L300

10PFC322

10NFC316

2.7PF

C323

10nHL308

NC

C325

33PF

C340

R315

12PF

L309

NC

C330

VSYN

C320

33PF

330PFC344

C3 21 1N F

100nH

L301 10

L3

18PF

C326

N

C

10nHL307

V C C 3

1 8

V C C 4

2 4

31VCC5

VCC6 34

V C C 7

4 5

V C P O

1 9

22PFC311

2

T X E N A

4 8

6TXIF+

TXIF-7

4 7

T X I N

4 6

T X I N R

T X M O +

1 3

1 4

T X M O

-

2 3

V

VCC13

VCC24

LD

1 5

L E

L O I N

4 3

L O I N R

4 2

11Q+

Q-12

33RES1

RES2 32

3 9

R X E N A

3 8

R X M O

S X E N A

3 7

TLCPO GND7 35

4 4

G N D 8

I+9

I-10

4 1

I F 1 N +

I F 1 N

-

4 0

IF2O+ 26

IF2O- 27

28IFI2+

IFI2- 29

25

36BPC

C L K

1 6

1 7

D A T A

F R E F

2 1

1GND1

5GND2

8GND3

2 0

G N D 4

2 2

G N D 5

30GND6

R318

U300

2

OUT21

330PFC343

EC

34

G 1 G 2

8

7

G3

5 I N1

IN26

OUT1

R302

VSYN

F301

C337

3K R306

10NF

C346

C317

3K

51

NC

R319C347

10nH

100PF

C300

47nH

15

R317

VSYN

330PFC341

330PF

C345

4.7uF

10NF

22PFC310

C333

4.7uF

6.3

33PF

C335

100PF

C301

Rx_En1

Syn_En

Tx_En1

Txif+

Tlcpo

Tx_Q-

Rfifin+

Rfifin-

Syn0_Lck

Rx_If-

Rx_If+



R301

C309

R300

18

VRF

10

R304

18

Uhf_Tune

OSC300

VTUNE

6.8K

Highband3.9PF

R314

68UF

6.3V

BSEL

4

GND1

2

7

DCPW

3

R313

R312

4.7K,1%

C332

18470PF

C305

C336

C329

100 6

5 1RF_OUT

8

10NF

390PF

47NF

C331

18PF

C327

C307

22PF

R305





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Samsung Sgh-A308 Gms