Samsung三星手机原理图

P900_Schematics1

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SGH-P900_REV1.4
A

RFS100 KMS-512

ANT ANT100 ANTCON-P900

A

G

1 G

3 C

2 A

4

VCCB_2.9V

VPAC_2.8V

VCCD_2.9V VRF_2.9V

C100 15pF DUF100 6 ANT

C152 5.6PF

1 1 2 2 3 3 4 4

ANT PCSRX 11 DCSRX 13 15 EGSMRX
L103 39nH R100 NC

L105 47nH C101 1000nF
B

GSM_OUT DPCS_OUT DCS_TX_EN GSM_TX_EN

2 EGSM_TX 17 DPCSTX 16 VC2 4 VC1

L104 NC

R101 5.6K R102 2.2K C111 680PF C115 8.2nF
C116 10nF
20 XTAL_TUNE 25 18 24 UHF_TUNE UHF_CPO

C102 0.01NF C108 C109 10nF 10nF
C104 10nF C105 100nF C106 C107 100nF 100nF

C103 33PF

G G G G G G G G G G G G G G G G
1 3 5 7 8 910121418192021222324 FEM5440TSC L106 C113 100nF L107 C114 100nF
VCCD 16 39 23 32 38 26 27 19 31 15 7

B

C110 10nF

2.7nH 2.7nH 10nH

VRF_2.9V

C112 220PF

L108

1 LNA1900 43 LNA1800 LNA900 6 EDGE_REFEDGE