[Coco] Bad news, good news...
Roger Merchberger
zmerch at 30below.com
Wed Dec 14 12:38:47 EST 2005
Rumor has it that John Kowalski may have mentioned these words:
>At 11:02 AM 14/12/2005 -0500, CoCoList for Color Computer Enthusiasts wrote:
> >John
> >
> >How are you weighting the RGB signals when mixing?
> >
> >If using op amps which ones?
> >
> >james
>
>Hi James,
>
>I know I should have, but it was just a quick thing I put together - red,
>green and blue all get the same weight. You can see in the photo that green
>appears slightly darker and blue slightly lighter than in the RGB
>screenshot. I can try replacing the resistors and taking another photo of a
>more accurate S-video conversion.
Why replace, when one could adjust? How hard would it be to replace the
resistors with pots? Then you could adjust the colors weights to individual
TVs/Monitors.
>The circuit is dirt simple, just some resistors and a 3904 transistor.
I don't exactly have a "big" parts bin, but I'm sure I could scrape up a
3904 or two... ;-)
Laterz,
Roger "Merch" Merchberger
--
Roger "Merch" Merchberger | Anarchy doesn't scale well. -- Me
zmerch at 30below.com. |
SysAdmin, Iceberg Computers
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