參數(shù)資料
型號(hào): MSM7582
廠商: OKI SEMICONDUCTOR CO., LTD.
英文描述: pie/4 Shift QPSK MODEM
中文描述: 餡餅/ 4移調(diào)制調(diào)制解調(diào)器
文件頁(yè)數(shù): 2/24頁(yè)
文件大小: 181K
代理商: MSM7582
M
2
B
IFIN
AGND
DGND
V
DD
Phase Detector
Delay Detector
IFCK
MCK
X1
DEN
EXCK
DIN
DOUT
S
E
L
X2
Control
Register (CR)
To each
block
PDN0
PDN1
PDN2
AFC
DPLL
Decision
Unit
RXC
RXD
S
E
L
SLS1
SLS2
+1
-1
+1
-1
+1
I+
I–
Q+
Q–
ENV
Root Nyquist
LPF
S
E
L
S/P
MAPPING
S
E
L
APLL
TXD
TXW
TXCI
1/10
TXCO
SG
To internal SG
To each block
IFSEL0
(From CR)
IFSEL1
(From CR)
S
S
S
S
To monitor output
of each block
To modem ENV
PS/CS
RPR
RCW
AFC
TEST1, TEST0
(From CR)
To
Monitor
output of
each block
TXCSEL
(From CR)
3.84 MHz
To D/A
384 kHz
Decoder
ENV D/A CONV
VREF
I ± D/A CONV
Q ± D/A CONV
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