The expectations for video quality continue to rise as more applications take advantage of video sources. Transmitting more video data at higher rates requires attention to a range of signal integrity issues summarized here.
Industrial video systems such as machine vision, surveillance equipment, and medical displays face a myriad of challenges transporting high-resolution video data from source to processor or display.Current solutions such as Camera Link, GigE Vision, and other LVDS interfaces have served the industrial market quite well, but are now encountering obstacles associated with reliably transmitting higher-speed data over long cable lengths. Increased EMI often accompanies higher switching data rates. Also, there is the constant desire to minimize both system cost and design complexity.
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refer:
http://industrial-embedded.com/articles/simplifying-embedded-video-interface/
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