參數(shù)資料
型號: HSP50210JC-52
廠商: INTERSIL CORP
元件分類: 通信及網(wǎng)絡(luò)
英文描述: Digital Costas Loop
中文描述: SPECIALTY TELECOM CIRCUIT, PQCC84
封裝: PLASTIC, MS-018AFA, LCC-84
文件頁數(shù): 19/49頁
文件大?。?/td> 326K
代理商: HSP50210JC-52
3
PHASE
OFFSET
SHIFT LEFT
0, 1, 2, 3
MUX
“0”
MUX
LEAD
MANTISSA
ACQ
LEAD
MANTISSA
TRACK
LEAD
EXPONENT
ACQ
LEAD
EXPONENT
TRACK
ZERO
LEAD
CARRIER PHASE
ERROR DETECT
MUX
“0”
MUX
LAG
MANTISSA
ACQ
LAG
MANTISSA
TRACK
LAG
EXPONENT
ACQ
LAG
EXPONENT
TRACK
ZERO
LAG
CARRIER LEAD GAIN
CARRIER LAG GAIN
MUX
ACC
FROM
MICROPROCESSOR
INTERFACE
LOAD
UPPER/LOWER
ACC LIMITS
LAG
SERIAL
OUTPUT
FORMATTER
COF
CARRIER
LOOP FILTER
SHIFT
REG
DELAY
(1, 2, 4, 8, 16)
DISCRIMINATOR
FREQUENCY
SHIFT
SHIFT LEFT
0, 1, 2, 3
MUX
“0”
ZERO
AFC
MUX
MANTISSA
ACQ
MANTISSA
TRACK
EXPONENT
ACQ
EXPONENT
TRACK
AFC GAIN
CARRIER
FREQUENCY
ERROR DETECT
SHIFT
MUX
“0”
TRACK
SWEEP RATE
MANTISSA
ACQ
SWEEP RATE
EXPONENT
ZERO
SWEEP
AFC LOOP FILTER
FREQUENCY SWEEP
PHASE ERROR
(
θ
E
)
F
E
T
S
FRZ_CT
COFSYNC
LAG/LEAD + LAG
LEAD/LEAD + LAG
TO NCO
+
+
ACCUMULATOR
S
S
R
L
“0”
E
A
M
E
I
INVERT
FREQUENCY
ERROR
P
F
T
C
T
D
R
S
M
+
-
“0”
E
A
M
E
I
INVERT
PHASE
ERROR
M
M
S
M
M
R
R
+
+
@
OR
!
@
OR
!
@
OR
*
+
REGISTER ENABLE RATE
@
= SYNC RATE
= TWICE SYMBOL
!
= SYMBOL RATE
BLANK = CLK RATE
*
R
FIGURE 15. CARRIER ACQUISITION/TRACKING LOOP BLOCK DIAGRAM
REG
TO
μ
P
INTERFACE
H
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