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参数资料
| 型号： | TDA9178/N1 |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP24 |
| 封装： | 0.400 INCH, PLASTIC, SOT-234, SDIP-24 |
| 文件页数： | 32/39页 |
| 文件大小： | 302K |
| 代理商： | TDA9178/N1 |
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An embedded noise detector measures noise during the field retrace in parts which are expected to be free from video or text information.
With the noise detector a variety of ‘smart noise control’ architectures can be set up.
A feature mode detector is available for detecting signal sources like VCR (in still picture mode) that re-insert the levels of the retrace part.
For this kind of signals the noise measurement of the TDA9178 is not reliable.
An output signal (on the IC-bus and on a separate pin) is available that detects when the picture content has been changed significantly,
called cue flash.
An embedded 6-bit ADC can be used for interfacing three analog low frequency voltage signals (e.g. ambient light control or beam current
voltage level) to the IC-bus.
In the demonstration mode all the features selected by the user are automatically toggled between on and off.
The TDA9178 concept has a maximum flexibility which can be controlled by the embedded IC-bus. The supply voltage is 8 V. The device
is mounted in a 24-lead SDIP package, or in a 24-lead SO package.
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Picture content dependent non-linear Y, U and V processing by luminance histogram analysis
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Variable gamma control
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Adaptive black and white stretch control
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Skin tone correction
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Green enhancement
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Blue stretch
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Luminance Transient Improvement (LTI)
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Smart peaking for detail enhancement
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Colour Transient Improvement (CTI)
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SCAn VElocity Modulation (SCAVEM) output
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Line Width Control (LWC)
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Video Dependent Coring (VDC)
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Colour Dependent Sharpness (CDS)
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Noise measurement
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Feature Mode (FM) detector
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Cue Flash (CF) detector
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Three additional pins for access to 6-bit ADC and IC-bus
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Adjustable chrominance delay
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TV standard independent
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IC-bus controlled
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1f
H and 2fH
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DEmonstration MOde (DEMO).
Features
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| TDA9178N | SPECIALTY CONSUMER CIRCUIT, PDIP24 |
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| TDA9178/N1,112 | SPECIALTY CONSUMER CIRCUIT, PDIP24 |
| TA8615N | SPECIALTY CONSUMER CIRCUIT, PDIP30 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TDA9178T | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:YUV one chip picture improvement based on luminance vector-, colour vector- and spectral processor |
| TDA9181 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Integrated multistandard comb filter |
| TDA9181P | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Integrated multistandard comb filter |
| TDA9181T | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Integrated multistandard comb filter |
| TDA9183 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Integrated NTSC comb filter |
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