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DVI 信号转VGA解决方案

Other Parts Discussed in Thread: TFP401, THS8136, TMDS361B

我现在有三路输入的DVI信号,想转成4路VGA输出,就是这4路VGA可以任意切换他的输入源(3选1),并且支持vga的输入源可以是同一个dvi信号。

我现在想的是 先把dvi信号变成rgb信号,比如用芯片adv7611,然后进入fpga,进行多路选择切换,然后用视频da把信号转成vga。不知道还有没有更好的解决办法?