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3-1
3. SGH-Q105 Block Diagrams
3-1. RF Solution Block Diagram
ANTENNA
RF
FIL
TER
LPF
LPF
GSM:890 MHz~915 MHz
GSM:890 MHz~915 MHz
GSM:935 MHz~960 MHz
PCS:1850 MHz~1910 MHz
PCS:1850 MHz~1910 MHz
PCS:1930 MHz~1990 MHz
PA
M
TX VCO
RF
FIL
TER
FEM
LNA
LNA
RX
SA
W
RX
SA
W
RF VCO
GSM :1
160 MHz~1
185 MHz
PCS:RX:1705 MHz~1765 MHz
TX:1715 MHz~1775 MHz
RF
SYNTH
IF
SYNTH
MIXER 1
IF VCO
1080 MHz
1/2
1/6
1/2
IF
SA
W
225 MHz
MIXER 2
LC
FIL
TER
45 MHz
PGA
I,Q
DEMOD
SERIAL
DA
T
A
INTERF
ACE
270 MHz
SWITCH
PCS:270 MHz
GSM:540 MHz
1/2
1/2
GSM:270 MHz
PCS:135 MHz
I,Q
MODULA
T
O
R
PD
LOOP
FIL
TER
GSM:270 MHz
PCS:135 MHz
UI
AUDIO
SERIAL
D
ATA
,
CLK,
LE
OCTL
SIGNALS
RF
DRIVER
DAI
I,Q
I,Q
CSP1099
TRIDENT
DSP16000
ARM7TDMI