Samsung三星手机原理图

P510 Circuit DiagramTx_En1 Rx_En1 Rx_I+ Rx_IRx_Q+V_UHF Rx_QR101 10 V_RF R102 0 C101 100NF C104 33PF C100 100NF C102 10UF

A

R100 10K,1% D100 HMPS-2825 R103 10K,1% C103 33PF

V_RF

V_RF

4 1

3 2

R104 27K,1%

6.3V

C106 33PF

C107 100NF

C105 NC
R105 5.6K,1% C108 220NF

B

R106 51

C110 NC
57

C109 680PF

R107 2K,1% C111 330PF

56 55 54 53 52 51 50 49 48 47 46 45 44

VCCUHF

RXIN

VCCTXVCO

TXVCOTUNE

TX1800/TX1900

UHFTUNE

UHFBYP

RXQP

VCC4

TX900

RXQN

VCC3

V_IO

C112 8.2NF (2012) NPO

GND

V_BAT

C113 0.5PF

RXIP

1 2 3 4

VDDBB LE CLK

43 42 41 40 39 38 37 36 35 34 33 32 31 30 29
R118 39K,1% C124 100NF V_RF R117 10 V_RF C121 100NF C119 100PF Syn_Ref C118 100NF R111 10 Syn_En R109 10 Syn_LE V_RF Syn_Clk Syn_Dat

RXENA TXENA PCO

DATA VCXO_EN XTALTUNE PDETVCC SXENA VCC1 VCCFN_CP TXCPO TXINP LNA900IN GN