Samsung SCH-A205, Руководство по обслуживанию

Страница: 39 / 48

SAMSUNG Proprietary - Contents may change without notice 7-1
7. Block Diagram
7-1 Main (with EVRC option) Block Diagram
R
X
AGC
R
X
AGC
PL
L
VC
T
CX
O
TX
A
G
C
A/
D
F
ILT
ER
D/
A
FIL
T
E
R
PL
L
MS
M
3
0
0
0
VC
O
VC
O
DI
VI
DE
2
DI
VI
DE
2
I
I
Q
Q
LNA
PA
VC
O
AMPS & CDMA DUPLEXER
ANT
CDMA 869~894MHz AMPS 869~894MHz
CDMA / AMPS
CDMA 85.38MHz AMPS 85.38MHz
IS
O
IF
R
3
0
0
0
PCS/ CDMA
AMPS
IFT3
0
0
0
PCS/CDMA/AMPS
13
0.3
8M
H
z
DA
PCS
Me
m
o
ry
[32M & 6M]
Co
de
c
Ke
y
p
a
d
LCD
Rx ta
n
k
Tx Ta
nk
PA
CDMA 824~849MHz AMPS 824~849MHz
CDMA/AMPS
CDMA/AMPS
A/
D
F
ILT
ER
Q/I