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參數(shù)資料
| 型號(hào)： | SAF7113 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 9-bit video input processor |
| 中文描述： | 9位視頻輸入處理器 |
| 文件頁(yè)數(shù)： | 16/80頁(yè) |
| 文件大?。?/td> | 281K |
| 代理商： | SAF7113 |
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2000 May 08
16
Philips Semiconductors
Product specification
9-bit video input processor
SAF7113H
8.4
Luminance processing
The 9-bit luminance signal, a digital CVBS format or a
luminance format (S-VHS, HI8), is fed through a
switchable prefilter. High frequency components are
emphasized to compensate for loss. The following
chrominance trap filter (f
0
= 4.43 or 3.58 MHz centre
frequency set according to the selected colour standard)
eliminates most of the colour carrier signal. It should be
bypassed via I
2
C-bit BYPS (subaddress 09H, bit 7) for
S-video (S-VHS, HI8) signals.
The high frequency components of the luminance signal
can be peaked (control for sharpness improvement via
I
2
C-bus subaddress 09H, see Table 36) in two band-pass
filters with selectable transfer characteristic. This signal is
then added to the original (unpeaked) signal. For the
resulting frequency characteristics see Figs 11 to 18.
A switchableamplifierachievescommonDCamplification,
because the DC gains are different in both chrominance
trap modes. The improved luminance signal is fed to the
BCS control located in the chrominance processing block,
see Fig.19.
Fig.11 Luminance control SA 09H, 4.43 MHz trap/CVBS mode, prefilter on, different aperture band-pass centre
frequencies.
handbook, full pagewidth
fY (MHz)
30
0
2
4
8
6
MGD139
6
VY
(dB)
18
6
(1)
(2)
(4)
(3)
(1)
(2)
(4)
(3)
(1) 43H.
(2) 53H.
(3) 63H.
(4) 73H.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAF7113H | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:9-bit video input processor |
| SAF7113H/V1,518 | 功能描述:視頻 IC VIDEO INPUT PROCESSR RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| SAF7113H/V1,557 | 功能描述:視頻 IC 9-BIT VIDEO INPUT PROCESSOR RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| SAF7115 | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Multistandard video decoder with super-adaptive comb filter, |
| SAF7115ET | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Multistandard video decoder with super-adaptive comb filter, |
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