Samsung三星手机原理图

P300_Rev1_8_Schematics1

2

3

4

5

6

7

8

9

10

11

12

GSM_PAM_IN

R100 R101 180

30 R102 180 GSM_TX_EN

RFS100
C

ANT

A

C100 100PF 25V

C101 25V

47PF L109 47nH KMS-512

R109

0

C140 R105 NC

5PF 50V

ANT100 C141 0.5PF 50V

ANT102

RF PART

3

2

A 1 G

G

4

A

DPCS_PAM_IN

R104 R107 220

24 R108 220

DPCS_TX_EN C102 100PF 25V

VBAT 3.8V
2 3 4 5 6

13

MOD100
C103 0.75PF 50V 0.75PF 50V 2.2PF 50V PCS_LNA_IN_N L100 6.8nH PCS_LNA_IN_P B

PAM100
BAND TXEN DCS/PCSIN 1 GSMIN 7 VBATT GSMOUT 8 GND 9 DCS/PCSOUT VRAMP 10 GND

B

TX_BAND_SEL PAC_EN VAPC

11 VC1 9 VC2

L101

2.2nH

10 8

GSM1900_RX1 5 GSM1900_RX2 6 GSM1800_RX1 3 GSM1800_RX2 4 GSM900_RX1 1 GSM900_RX2 2 GSM1800/1900_TX ANT GSM900_TX G G G G G

C105

L103

3.9nH

RF3166-E6 C109 33PF 25V C110 33PF 25V C108 10nF 6.3V C111 100nF 6.3V TA100 47UF 10V C1