[Coco] MC6847 + Component video

Zippster zippster278 at gmail.com
Tue Apr 28 09:10:59 EDT 2015


Great!

- Ed


> On Apr 28, 2015, at 7:32 AM, Joe Grubbs <jsgrubbs at hotmail.com> wrote:
> 
> We found a quad op-amp that should work nicely for this! :)  And since it's a quad, it will be the only active device required--no other opamps or transistors required. We have to order it and test it, but if it works it will be a super simple PCB
> 
> 
> 
>> Date: Fri, 24 Apr 2015 10:08:42 -0400
>> Subject: Re: [Coco] MC6847 + Component video
>> From: jsgrubbs at hotmail.com
>> To: coco at maltedmedia.com
>> 
>> Cool! We have three circuits to test. One of them is discrete and runs happily on 5v. The second uses commonly available opamps but needs an external supply or a dc to dc converter. The third uses a somewhat esoteric opamp from AD but it can run on 5v. It would be best to use commonly available parts though because AD is prone to discontinue products with little notice :-/
>> 
> 
> 		 	   		  
> 
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