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參數(shù)資料
| 型號： | SDA9589X |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | PIP IV Advanced SOPHISTICUS High-End Picture-In-Picture ICs |
| 中文描述： | 畫中畫四先進SOPHISTICUS高端畫中畫，圖像芯片 |
| 文件頁數(shù)： | 15/102頁 |
| 文件大?。?/td> | 2306K |
| 代理商： | SDA9589X |
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Micronas
4-15
SDA 9489X
SDA 9589X
System Description
Preliminary Data Sheet
Table 4-4
Color-killer adjustment
The bandwidth of the chroma filter is adjustable via
CHRBW
. The bandwidth depends
on whether the decoder is in SECAM operation or not. A change in
CHRBW
does not
result in a chrominance position shift on the screen.
CKSTAT
can be read out and gives information whether the color is switched on or off.
STDET
indicates the detected color standard. Additionally
PALID
signals whether a PAL
signal or a NTSC signal is applied.
4.4
Comb Filtering
Depending on the selected picture size and color standard, a comb filtering is performed
for luminance and chrominance. A comb filter uses the spectral interleaving of the
encoded luminance and chrominance to separate both without cross artifacts. Thus
cross-color and cross-luminance are suppressed effectively. For NTSC sources, a comb
filtering is performed for all picture sizes. Due to reduced bandwidth in horizontal and
vertical direction a strong reduction of cross artifacts can be achieved for PAL signals.
The same applies for the luminance signal of SECAM signals.
4.5
Luminance Processing
The A/D-converted CVBS (or Y) signal is digitally clamped to back porch. Depending on
the transmitted standard and operational area, an offset between black- and blanking
level can be found in the incoming signal (’7.5 IRE’). As for some applications a black
offset is not desired, controlling may be done using
LMOFST
. The positive or negative
offset is added to the Y signal before scaling.
CKILL
COLON
color killed at damping of
D1
D0
0
0
0
30 dB
0
1
0
18 dB
1
1
0
24 dB
1
1
0
color always off
X
X
1
color always on
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| SDAB-15P(55) | 制造商:Hirose Electric 功能描述:2.74mm 15 2 Zv^N ^Cv 39.14mm 350VAC 3A 5000M/500VDC 15m/100mA 1250VAC/1min. +85 -55 PBT/UL94V-0/ jbPbL+bL AWG#28 to #30 12.55mm Bulk |
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| SDAB-15S(55) | 制造商:Hirose Electric 功能描述:2.74mm 15 2 Zv^N ^Cv 39.14mm 350VAC 3A 5000M/500VDC 15m/100mA 1250VAC/1min. +85 -55 PBT/UL94V-0/ jbPbL+bL 12.55mm Bulk 制造商:Hirose 功能描述:Conn D-Subminiature SKT 15 POS 2.74mm Solder ST Thru-Hole 15 Terminal 1 Port |
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