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5-
1
5. SGH-P100 Block Diagrams
LNA
LNA
PGA
PGA
ADC
ADC
VCTCXO
(OSC901)
Si4205
RF
PLL
IF
PLL
PD
LPF
Mixer
C
h
a
n
n
e
l
F
il
te
r
PGA
PGA
DAC
DAC
100
kHz
LNA
EGSM RX
925~960 MHz
DCS RX
1805~1880 MHz
SAW
Filter
(F1003)
EGSM TX
880 ~ 915 MHz
DCS TX / PCS Tx
1710 ~ 1785 MHz
/ 1850 ~ 1910 MHz
PAM
FEM
SHS-L090SK
(U1001)
RF
Conector
(CON1)
PCS RX
1930~1990 MHz
CSP1093
(U700)
I
Q
I
Q
SERDAT(SDATA)
SERCLK(SCLK)
SERLE(SENB)
TXPOWER
TX_BAND_SEL
TX_EN
AFC
(U1000)
GSM_TX_EN
PCS_RX_EN
DCS_TX_EN
SI_EN(PDNB)
1. RF Solution Block Diagram
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