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5 . S G H - N 7 0 7
B l o c k
D i a g r a m s
1. RF So lut ion Bloc k Diagram
PCS RX ( 1960 MHz )
GSM RX (869~984 MHz)
Fr ont
RF
En d
C onnector
Mod ule
(U401)
(U402)
GSM TX
(824 ~ 849 MH z)
Si 42 05
LN A
LN A
PCS TX
(1850 ~ 1910 MHz)
Dua l PA M
(U403)
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(U404)
PG A
ADC
Mi x e r
PG A
ADC
RF
IF
PLL
PLL
PD
LPF
5- 1
PG A
DAC
PG A
DAC
10 0
kH z
VCT CXO
(OSC401)
I
Q
CS P
22 00 B1
(U101)
SDATA
SCLK
SENB
PDNB
I
Q
Bryce Park
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