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6. SGH-S342i Block Diagrams
1. RF Solution Block Diagram
Antenna
GSM:925MHz~960MHz
DCS:1805MHz~1880MHz
RF
FILTER
RF
FILTER
PCS:1930MHz~1990MHz
RF
FILTER
ASM
GSM:890MHz~915MHz
PAM
DCS:1710MHz~1785MHz
PCS:1850MHz~1910MHz
L
PGA
N
PGA
A
/ 2
Si 4205
RF
PLL
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A D C
A D C
100KHz
D E T
IF
PLL
C L K
PGA
D A C
CHANNEL
FILTER
PGA
D A C
SERIAL DATA
INTERFACE
TCVCXO
13 MHz
A F C
UI
CSP2600
TRIDENT
HP
R X
I,Q
DSP16000
SERIAL
DATA,
CLK,
LE
ARM946ES
T X
I,Q
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