6-
1
6. SGH-D720 Block Diagrams
100KHz
PGA
PGA
CHANNEL
FILTER
DAC
DAC
SI4205
1 / 2
PGA
PGA
ADC
ADC
N
L
A
DET
SERIAL DATA
INTERFACE
DSP16000
ARM7TDMI
UI
GSM:890MHz~915MHz
DCS:1710MHz~1785MHz
PCS:1850MHz~1910MHz
GSM:925MHz~960MHz
DCS:1805MHz~1880MHz
PCS:1930MHz~1990MHz
Antenna
TX VCO
PAM
I
Q
AFC
CLK
TOF1300MPI4KRA
( 13MHz)
I
Q
BASE BAND
AUDIO
TXPOWER
RF
PLL
IF
PLL
CSP2200B
(GEMINI)
TRIDENT
II
SKY77328
FEM
LMSP54HA-348
OMAP1610
MultiMedia
Processor