Samsung SGH-X105 Service Manual page 27

5 . S G H - X 1 0 5 B l o c k D i a g r a m s
1. RF Solut ion Bloc k Diagr am
Ant enna
G SM : 925M Hz~960M Hz
PCS: 1930M H z~1990M Hz
R F
FI LTER
R F
FI LTER
ASM
G SM : 890M Hz~915M Hz
PAM
PCS: 1850M H z~1910M Hz
LNA
PG A
PG A
¥ð/ 2
RF
PLL
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A D C
A D C
100KH z
SI 4200
D E T
I F
PLL
SI 4133T
5- 1
PG A
D A C
CH ANN EL
FI LTER
PG A D A C
SI 4201
SER I AL D ATA
I NTER FAC E
TCVCXO
13 M H z
A F C
C L K
U I
C SP1093 TR I D EN T
R X
I , Q
D SP16000
SER I AL
D ATA,
AR M 7TD M I
C LK,
LE
T X
I , Q