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MSM7583 데이터 시트보기 (PDF) - Oki Electric Industry
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MSM7583
π/4 Shift QPSK MODEM
Oki Electric Industry
MSM7583 Datasheet PDF : 23 Pages
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¡ Semiconductor
BLOCK DIAGRAM
MSM7583
V
DD
DGND
AGND
IFIN1
MCK
IFCK
X2
X1
DEN
EXCK
DIN
DOUT
PDN0
PDN1
PDN2
RESET
IFN2
BST0
I+
I–
Q+
Q–
ENV
SG
Phase Detector
S
E
L
IFSEL1
(From CR)
IFSEL0
(From CR)
To each block
D
E
C
Delay Detector
SL11
SL21
SL31
SL41
Control
Register
To each block
SL11
D
E
SL21
C
SL31
SL41
AFC
Decision
SLS11
SLS21
AFC1
RXD1
RXC1
RXSC1
RCW1
RPR1
S
DPLL
E
L
S
RXD0
E
RXC0
L
RXSC0
S
DPLL
E
L
RXSEL
Phase Detector
Delay Detector
AFC
Decision
RPR2
RCW2
RXCS2
RXC2
RXD2
AFC2
SLS21
SLS22
+1
–1
DC Offset
Adjust
+1
–1
DC Offset
Adjust
LPF
D/A
I output gain adjust
LPF
D/A
Q output gain adjust
+1
LPF
D/A
VREF
To internal SG
Root Nyquist
LPF
S/P
MAPPING
TXD
TXW
S
3.84 MHz
To D/A
E
PLL
L
To monitor
output of
each block
TEST1, TEST0 (From CR)
1/10
TXCEL (From CR)
384 kHZ
TXCI
TXCO
2/23
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