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5. SGH-D100/D100A Block Diagrams
1. RF Solution Block Diagram
Antenna
GSM:925MHz~960MHz
L
RF
N
FILTER
A
DCS:1805MHz~1880MHz
RF
PCS:1930MHz~1990MHz
FILTER
RF
FILTER
ASM
GSM:890MHz~915MHz
PAM
DCS:1710MHz~1785MHz
PCS:1850MHz~1910MHz
PGA
PGA
π/ 2
Si 4205
D E T
RF
PLL
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A D C
CHANNEL
FILTER
A D C
100KHz
IF
PLL
C L K
5-1
CSP1093
R X
PGA
D A C
I,Q
PGA
D A C
SERIAL
DATA,
SERIAL DATA
CLK,
INTERFACE
LE
T X
I,Q
TCVCXO
13 MHz
A F C
UI
TRIDENT
DSP16000
ARM7TDMI
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