參數(shù)資料
型號: TDA8046H
廠商: NXP SEMICONDUCTORS
元件分類: 消費(fèi)家電
英文描述: Multi-mode QAM demodulator
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP64
文件頁數(shù): 31/48頁
文件大?。?/td> 245K
代理商: TDA8046H
1996 Nov 19
31
Philips Semiconductors
Product specification
Multi-mode QAM demodulator
TDA8046
Table 8
Default settings after reset
Table 9
READ (R/W = 1)
FUNCTION
ADD
D7
D6
D5
D4
D3
D2
D1
D0
DAC current inversion/
general
Demodulator
DAC/OFFS/switch
Digital test/output
formatter
Digital loop filter B.W.
Digital loop filter B.W.
Lock detector
threshold
Lock detector window
size
AGC detector
threshold
Equalizer mode
Equalizer tap FFEI
Equalizer steps
00
0
1
0
1
1
1
0
0
01
02
03
1
0
1
1
0
0
0
1
0
0
0
0
1
0
1
0
0
1
1
0
04
05
06
0
1
0
1
0
0
0
0
1
0
1
0
1
0
0
0
0
0
0
0
07
0
0
08
0
1
1
1
1
1
1
1
09
0A
0B
0
1
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
FUNCTION
ADD
D7
D6
D5
D4
D3
D2
D1
D0
V
CARREC
(4 bits)
V
CLKREC
(4 bits)
V
AGC
(4 bits)
Alarm equalizer/
lock detector
SER estimation
FFEI3
....
FFEI0
DFEI1
....
DFEI7
DFEI8
FFEQ3
....
FFEQ0
DFEQ1
....
DFEQ8
FFEI5
FFEQ5
00
01
02
03
CR03
CL03
AG03
CR02
CL02
AG02
CR01
CL01
AG01
CR00
CL00
AG00
LK
ALEQ
04
05
...
08
09
...
0F
10
11
...
14
15
...
1C
1D
1E
LE7
b7
b7
b7
b7
b7
b7
b7
b7
b7
b7
b7
b7
b7
b7
b7
LE6
b6
b6
b6
b6
b6
b6
b6
b6
b6
b6
b6
b6
b6
b6
b6
LE5
b5
b5
b5
b5
b5
b5
b5
b5
b5
b5
b5
b5
b5
b5
b5
LE4
b4
b4
b4
b4
b4
b4
b4
b4
b4
b4
b4
b4
b4
b4
b4
LE3
b3
b3
b3
b3
b3
b3
b3
b3
b3
b3
b3
b3
b3
b3
b3
LE2
b2
b2
b2
b2
b2
b2
b2
b2
b2
b2
b2
b2
b2
b2
b2
LE1
b1
b1
b1
b1
b1
b1
b1
b1
b1
b1
b1
b1
b1
b1
b1
LE0
b0
b0
b0
b0
b0
b0
b0
b0
b0
b0
b0
b0
b0
b0
b0
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