[Coco] Using a PC monitor on the CoCo

[Kevin Diggs]

Hi,

	Since there are only 4 distinct voltage levels per component, do
we really need an A/D? Couldn't we use a bunch of comparators?

	One other note, if someone actually does this, please make it do
DPMS Standby. Saving energy is everbody's job.

					kevin

Bob wrote:

> 

> > I was thinking about this, maybe a solution could be made with a cheap

> > FPGA with some A/D converters and then a resistor ladder for output

> > again?

> >

> thought about it myself a bit, ISTR the A/D convertors need to sample at least

> 10 or 20 million samples per second (per signal) to be fast enough for video.

> There are some readily available triple 8-bit A/D convertors perfect for this.

> 

> I think you need anough memory to store one full frame of video, or maybe just

> a line or two. There's actually a do-it-yourself project on the web for one of

> these, but it's massive, more than I'd venture.

> 

> 

> 

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