[Coco] Cross Post from the Facebook Page about the RGB2VGA Board

[John B]

Definitely great news.  Hopefully the new resistors will take care of my
jitter/wavy lines and text problem.  I will find out next week.

On Sun, Jul 12, 2015 at 12:42 AM, Steve Batson via Coco <
coco at maltedmedia.com> wrote:

> I changed the last 4 resistors and didn't really notice much difference,
> but since values were based on Roger's research and testing and that his
> board is now solid, I figured I'd do the same. I've Tested all of the
> features and it's incredible results.
>
> The output is rock solid. Colors are Rich. Text looks fantastic in 32, 40
> and 80 columns. I've tested Zaxxon, Grabber, Tetra3, Brewmaster, Donkey
> King. And The biggie, Sockmaster's port of the Original Donkey Kong and it
> Looks Awesome! Very happy with the results of this thing. It was a lot of
> work, but it was well worth it.
>
>
>
>
> On Jul 9, 2015, at 8:45 PM, Steve Batson <steve at batsonphotography.com>
> wrote:
>
> > I figured I'd post the following here too. Some discussion occurred on
> the FB page, but a lot of discussion was done between Roger and Myself in
> email as Roger made several discoveries that stabilized some very annoying
> jitter problems with video.
> >
> > RGB2VGA Stabilized!
> > First thanks to Felipe for a very cool Solution to bring the CoCo3 video
> to Modern VGA Monitors. Originally, I missed a few resistors that I somehow
> thought were optional and Felipe straightened me out on those.
> > Then I was getting Jitter just like Roger was experiencing. I had
> several email discussions with Roger as he was doing some research and
> experimenting based on what he found about the VGA standards and found that
> changing some resistor values stabilized the output from his board. I have
> pretty much duplicated Roger's resistor values on my board with the
> exception of 4 that I'm waiting to come in, but mine is crisp and jitter is
> gone. I will most likely change those 4 resistors when the parts come in
> unless it doesn't make sense.
> > Anyway, Finally fantastic output on my VGA monitor. Very Cool!!!
> > Very Big thanks to Roger!!!
> >
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