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參數(shù)資料
| 型號： | ADV7183B |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Multiformat SDTV Video Decoder |
| 中文描述： | 標清多格式視頻解碼器 |
| 文件頁數(shù)： | 4/100頁 |
| 文件大?。?/td> | 844K |
| 代理商： | ADV7183B |
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ADV7183B
INTRODUCTION
The ADV7183B is a high quality, single chip, multiformat video
decoder that automatically detects and converts PAL, NTSC,
and SECAM standards in the form of composite, S-Video, and
component video into a digital ITU-R BT.656 format.
Rev. B | Page 4 of 100
The advanced and highly flexible digital output interface enables
performance video decoding and conversion in line-locked,
clock-based systems. This makes the device ideally suited for a
broad range of applications with diverse analog video charac-
teristics, including tape based sources, broadcast sources,
security/surveillance cameras, and professional systems.
ANALOG FRONT END
The ADV7183B analog front end comprises three 10-bit ADCs
that digitize the analog video signal before applying it to the
standard definition processor. The analog front end uses
differential channels to each ADC to ensure high performance
in mixed-signal applications.
The front end also includes a 12-channel input mux that enables
multiple video signals to be applied to the ADV7183B. Current
and voltage clamps are positioned in front of each ADC to
ensure the video signal remains within the range of the
converter. Fine clamping of the video signals is performed
downstream by digital fine clamping within the ADV7183B.
The ADCs are configured to run in 4× oversampling mode.
STANDARD DEFINITION PROCESSOR (SDP)
The ADV7183B is capable of decoding a large selection of
baseband video signals in composite, S-Video, and component
formats. The video standards supported include PAL B/D/I/G/H,
PAL60, PAL M, PAL N, PAL Nc, NTSC M/J, NTSC 4.43, and
SECAM B/D/G/K/L. The ADV7183B can automatically detect
the video standard and process it accordingly.
The ADV7183B has a 5-line, superadaptive, 2D comb filter that
gives superior chrominance and luminance separation when
decoding a composite video signal. This highly adaptive filter
automatically adjusts its processing mode according to video
standard and signal quality with no user intervention required.
Video user controls such as brightness, contrast, saturation, and
hue are also available within the ADV7183B.
The ADV7183B implements a patented adaptive digital line-
length tracking (ADLLT) algorithm to track varying video line
lengths from sources. ADLLT enables the ADV7183B to track
and decode poor quality video sources such as VCRs, noisy
sources from tuner outputs, VCD players, and camcorders. The
ADV7183B contains a chroma transient improvement (CTI)
processor that sharpens the edge rate of chroma transitions,
resulting in sharper vertical transitions.
The ADV7183B can process a variety of VBI data services, such
as closed captioning (CC), wide screen signaling (WSS), copy
generation management system (CGMS), EDTV, Gemstar 1×/2×,
and extended data service (XDS). The ADV7183B is fully
Macrovision certified; detection circuitry enables Type I, II,
and III protection levels to be identified and reported to the
user. The decoder is also fully robust to all Macrovision signal
inputs.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ADV7183BBSTZ | Multiformat SDTV Video Decoder |
| ADV7183BKSTZ | Multiformat SDTV Video Decoder |
| ADV7183KST | Advanced Video Decoder with 10-Bit ADC and Component Input Support |
| AD7183 | Advanced Video Decoder with 10-Bit ADC and Component Input Support |
| ADV7185 | Professional NTSC/PAL Video Decoder with 10-Bit CCIR656 Output |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADV7183BBSTZ | 功能描述:IC VIDEO DECODER NTSC 80-LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉(zhuǎn)換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標準包裝:1 系列:- 類型:編碼器 應(yīng)用:DVB-S.2 系統(tǒng) 電壓 - 電源，模擬:- 電壓 - 電源，數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應(yīng)商設(shè)備封裝:模塊 包裝:散裝 其它名稱:Q4645799 |
| ADV7183BKST | 制造商:Analog Devices 功能描述:MULTIFORMAT SDTV VID DECODER 80LQFP - Bulk |
| ADV7183BKSTZ | 功能描述:IC VIDEO DECODER NTSC 80-LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉(zhuǎn)換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標準包裝:1 系列:- 類型:編碼器 應(yīng)用:DVB-S.2 系統(tǒng) 電壓 - 電源，模擬:- 電壓 - 電源，數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應(yīng)商設(shè)備封裝:模塊 包裝:散裝 其它名稱:Q4645799 |
| ADV7183KST | 制造商:Analog Devices 功能描述:Video Decoder 2ADC 10-Bit 80-Pin LQFP 制造商:Rochester Electronics LLC 功能描述:VIDEO DECODER I.C. - Bulk |
| ADV7184 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Multiformat SDTV Video Decoder with Fast Switch Overlay Support |
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