Samsung SGH-P100 Service Manual page 20

5 . S G H - P 1 0 0 B l o c k D i a g r a m s
1. RF So lution Block Diagram
EGSM RX
925~960 MHz
DCS RX
1805~1880 MHz
1930~1990 MHz
FEM
RF
SHS-L090SK
Conector
(U1001)
(CON1)
DCS TX / PCS Tx
1710 ~ 1785 MHz
/ 1850 ~ 1910 MHz
(U1000)
EGSM TX
880 ~ 915 MHz
LNA
LNA
Mixer
SAW
LNA
Filter
(F1003)
PCS RX
GSM_TX_EN
DCS_TX_EN
PCS_RX_EN
PAM
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Si4205
PGA ADC
PGA ADC
100
kHz
RF IF
PLL PLL
PD
LPF
5- 1
I
PGA DAC
Q
PGA DAC
SERDAT(SDATA)
SERCLK(SCLK)
SERLE(SENB)
SI_EN(PDNB)
CSP1093
(U700)
VCTCXO
(OSC901)
TXPOWER
TX_BAND_SEL
TX_EN
AFC
I
Q