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Electronics Forum / Electronics / April 2009DVI-I/DVI-A video connector question
I'm interested in the analog signal this connector will accept. I am wondering if a TV with this connection type will accept an analog RGB signal from some older equipment, namely arcade video signals, which run at 15Hz. Does anyone have any idea? > I'm interested in the analog signal this connector will accept. I am > wondering if a TV with this connection type will accept an analog RGB signal > from some older equipment, namely arcade video signals, which run at 15Hz. DVI includes all the signals present in VGA If the games do separate sync (not sync on green) then there's a good chance that it could work. > I'm interested in the analog signal this connector will accept. I am > wondering if a TV with this connection type will accept an analog RGB signal > from some older equipment, namely arcade video signals, which run at 15Hz. > > Does anyone have any idea? I'd be astounded if arcade video ran at 15Hz - I think you've gotten your research wrong there. I believe that arcade games actually run RGB at either NTSC or PAL frequencies. <Googles> Ah. You mean 15KHz, *not* 15Hz. It turns out that arcade games run at NTSC frequencies. So the answer to your question is a qualified "yes" because you'll need to modify the video levels from your arcade game (up to 5V) down to the 1V or so needed by a TV. Some information: <http://members.optusnet.com.au/eviltim/vga2arc/vga2arc.htm> <http://homepage.ntlworld.com/andrew.lewis5/arcade/video.htm> <http://en.wikipedia.org/wiki/Digital_Visual_Interface>  SignatureW . | ,. w , "Some people are alive only because \|/ \|/ it is illegal to kill them." Perna condita delenda est ---^----^--------------------------------------------------------------- >> I'm interested in the analog signal this connector will accept. I am >> wondering if a TV with this connection type will accept an analog RGB [quoted text clipped - 11 lines] > Ah. You mean 15KHz, *not* 15Hz. It turns out that arcade games run at NTSC > frequencies. oops... typo there. > So the answer to your question is a qualified "yes" because you'll need to > modify the video levels from your arcade game (up to 5V) down to the 1V or > so needed by a TV. hmmmm... interesting, thanks. |
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