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參數(shù)資料
| 型號： | ML6440 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Multi-Standard 8-bit Adaptive Digital Input Comb Filter(多標(biāo)準(zhǔn)8位自適應(yīng)數(shù)字輸入組合濾波器) |
| 中文描述： | 多標(biāo)準(zhǔn)的8位數(shù)字輸入自適應(yīng)梳狀濾波器（多標(biāo)準(zhǔn)8位自適應(yīng)數(shù)字輸入組合濾波器） |
| 文件頁數(shù)： | 1/18頁 |
| 文件大小： | 227K |
| 代理商： | ML6440 |
July 1999
PRELIMINARY
ML6440
*
Multi-Standard 8-bit Adaptive Digital Input Comb Filter
1
GENERAL DESCRIPTION
The ML6440 SmartComb is a single-chip, 8-bit digital
comb filter that incorporates line delays and adaption
algorithms for NTSC and PAL at both CCIR601 and square
pixel rates. The ML6440 implements bandsplit filters and
a proprietary adaption and decision logic block that
allows for optimum combing over a wide range of video
sources.
The ML6440 contains all the necessary circuitry to provide
high quality combed output of luminance and
chrominance in the Y/C format. Internal filters with
integrated adaption and compensation circuits provide
filtered outputs with optimal video bandwidth and
resolution while suppressing cross-color (rainbow), cross-
luminance (dot crawl) and other corrupting artifacts that
can reduce video compression efficiency.
BLOCK DIAGRAM
FEATURES
I
SmartComb algorithm for automatic or manual
selection adaption thresholds
I
3-line comb with 60+ line frame adjust
I
Comb/notch thresholds set dynamically over 60+ lines
automatically
I
12-bit processing minimizes truncation errors and
maintains signal-to-noise performance
I
Optional 8-bit composite or separated Y/C digital inputs
I
Applications: digital TV, line doubler, imaging
I
Separate comb/notch filter thresholds for Luma and
Chroma channels
I
Optional pin controls or two-wire serial control
interface
I
Operating power dissipation less than 700mW
I
No external components, except diode and caps
* This Part Is End Of Life As Of August 1, 2000
CI2/DI2
CI3/DI3
CI4/DI4
CI5/DI5
CI6/DI6
CI7/DI7
S CLK
S DATA
S
/P
SmartComb
COMB
ADAPTION
AND
DECISION
LOGIC
BANDSPLIT
FILTERS
(NOTCH/DELAY)
39
VCC
6
VCC
AVCC
5
C7
C6
C5
C4
C3
40
41
42
43
44
C2
C1
C0
2
3
1
Y7
Y6
Y5
Y4
Y3
30
31
32
33
34
Y2
Y1
Y0
35
36
37
OE
7
29
28
26
GND
4
GND
17
GND
38
10
11
12
CI0/DI0
CI1/DI1
8
9
CLK
RST
7
6
13
14
15
YI2/CV2
YI3/CV3
YI4/CV4
YI5/CV5
YI6/CV6
YI7/CV7
20
21
22
YI0/CV0
YI1/CV1
18
19
23
24
25
C
O
L
O
FILTER
AND
COMB
CONTROL
CLOCK BUFFER
1HDL
RESET LOGIC
1HDL
HIGH BAND
LOW BAND
HIGH BAND
LOW BAND
TOTAL BAND
CHROMA
BYPASS
HIGH BAND
LOW BAND
CCIR601/SQ. PIXEL MODE
COMB MODE 0
COMB MODE 1
THRESHOLD CONTROL 0
THRESHOLD CONTROL 1
THRESHOLD CONTROL 2
Y+C/CV INPUT MODE
PAL/NTSC MODE
LUMA BYPASS
DIGITAL
DIGITAL
DIGITAL
CONTROL
MUX
D2
D3
D4
D5
D6
D7
D0
D1
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| ML6440CH | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Multi-Standard 8-bit Adaptive Digital Input Comb Filter |
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| ML6460 | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:NTSC Video Encoder with Macrovision |
| ML6460CS | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:NTSC Video Encoder with Macrovision |
| ML6461 | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:NTSC Video Encoder |
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