Re: [stella] Krokodile Cart prototype review

Subject: Re: [stella] Krokodile Cart prototype review
From: Chris Wilkson <ecwilkso@xxxxxxx>
Date: Fri, 27 Feb 2004 14:09:12 -0500 (EST) *know* I have to suggest buying a CyberTech Video Card from  :P

If you want the best your 2600 can be, get that one.  You'll be glad.

The circuit you pointed to has a few problems.  One obvious problem is
the output impedance is not 75 ohms.  Easy to fix, but there are some
other problems that I won't go into now.  If you want to build one
yourself, build the circuit by Thomas Clancy.  It's available in the
2600 FAQ on AtariAge.  It will give you a nice reliable picture, though
it's not spec and can't be easily adjusted on the fly.

Building a daughtercard is a good idea.  It's much easier to build, and
safer for your 2600.  It's also easier to modify or repair a daughtercard
later.  And there's always the bonus of being able to revert to a stock
2600 if you need it.


On Fri, 27 Feb 2004, Adam Thornton wrote:

> On Fri, 2004-02-27 at 11:38, Chris Wilkson wrote:
> > I know just about everything there is to know about
> > the 2600's video.
> Well, OK then.
> Which composite video mod do I want to implement?  I have a Rev B
> six-switcher.  I'm looking at the second schematic from Raiku's World:
> I'm probably going to pull the TIA out of the socket and build whatever
> I build as a daughtercard with a plug-through socket (does that make
> sense to anyone else?) so I can  do an S-Video and composite video mod
> on the same bit of perfboard, and switch them without having to solder
> anything directly to my TIA or its socket.  If possible I'm going to do
> this as a reversible mod, and not permanently affix anything to the 2600
> motherboard.
> Adam
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