很奇怪的device :
是雙向的,也就是說,他只是一個switch,不管方向。
用在Video上,因為有4 chan (RGB, YCbCr...?)。
選擇 input video source,
或是 output video to port N.
任何一端都可以由 current output RAMDAC 或是voltage output composite video source。
這裡 http://www.circuitrydesigns.com/dc/1212/switching-rgb-video.htm 是一篇AN,用PI5V330 切換RGB輸出到TV或是Monitor。(TV的signal還要加上 AD722 RGB encoder)
PERICOM 的產品。
可以到400MHz。
可以用來取代HC4053 multiplier and buffer/ampilier.
星期四, 4月 27, 2006
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