参数资料
型号: HSP50210JI-52Z
厂商: Intersil
文件页数: 7/51页
文件大小: 0K
描述: IC DEMODULATOR COSTAS 84-PLCC
标准包装: 15
功能: 解调器
频率: 52MHz
RF 型: AM,FM
封装/外壳: 84-LCC(J 形引线)
包装: 管件
* ! = SYMBOL RATE RATE
REGISTER ENABLE RATE
@ = SYNC RATE
= TWICE SYMBOL
BLANK = CLK RATE
MID AND END
SYMBOL SAMPLES
TO SYMBOL TRACKING
I I Q Q
MID END MID END
HI/LO
MATCHED FILTERING
FALSE LOCK
D
E
M
U
X
SOFT
DECISION
R
E
G
15 TAP RRC R R U
DUMP
M
X
R U I E +
E
+
G
E
G
*
*
“0”
M
X
R
R
R R
R R
5
I 2 +Q 2
5 8
TAN -1 ( I ) DELAY
REG
REG
NCO MIXER
BYPASS
MIXER
R
E
G
R
E
G M
U
R R X
COMPLEX E E
MULTIPLY G G
R R
E E
G G
@
@
BYPASS
RRC
E E
G G
15 TAP RRC R R
E E
G G
M
X
L
I
M
I
T
R R
E E
G G
R R
E E
G G
M
U S
DUMP TWO SAMPLE
U
REG
DATA DE-SKEW
OQPSK COMPARE
“0”
H R
R
X F
T
G
@
SUMMER
S
H
G F G
T
@ *
+ E I E +
M
U
X
D
E
M
U
X
M
U
X
SLICER
R
E
G
TEST
E E
G G
M
U
X E E
G G
CARTESIAN TO
POLAR
8
DELAY
REG
Q
REG
O
U
T
P
U
T
S
E
L
E
C
T
R
E
G
R
E
G
REG
REG
ROOT RAISED COSINE
(RRC)
INTEGRATE AND DUMP
PHASE OUT AT @ OR *
MAG OUT AT @ OR !
REG
REG
TO
AGC LOOP FILTER
HOLD AGC
AGC ERROR DETECT
CARRIER
TRACKING
-
SIN/COS
ROM
REG
R
E
G
@ OR !
L
I
M
I
T
+
R
E
G
S
H
I
F
T
R
E
G
M
U
X
“0”
AGC THRESHOLD
GAIN
ERROR
+
POWER
THRESHOLD
AND
DISCRIMINATOR
+
REG
CF
REGISTER
UPPER
GAIN
LIMIT
LOWER
GAIN
LIMIT
LOOP GAIN LOOP GAIN
EXPONENT MANTISSA
COMPARE
R
E
G
THRESH
FROM CARRIER TRACKING
LOOP FILTER
FIGURE 3. MAIN DATA PATH
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