[Coco] MC6847 + Component video

[Zippster]

Sounds good Joe.  :)

I’d do it but I’m swamped right now.

- Ed


> On Apr 21, 2015, at 4:56 PM, Joe Grubbs <jsgrubbs at hotmail.com> wrote:
> 
> I'll talk to my genius EE friend and see if he can come up with something. His day job is a broadcast engineer, so this might be right up his alley.
> 
> 
> 
>> From: zippster278 at gmail.com
>> Date: Tue, 21 Apr 2015 16:32:31 -0500
>> To: coco at maltedmedia.com
>> Subject: Re: [Coco] MC6847 + Component video
>> 
>> That circuit won’t drive component inputs on a standard television properly.
>> I tried it on several quite a while back when I first started playing with the 6847.
>> 
>> You can get a good Luma only display from the Y portion of the circuit,
>> but the color difference signals are completely off as far as level.
>> They also aren’t terminated correctly.
>> 
>> Someone should work up a circuit for this though, component out would be worth
>> having.  I’d suggest using op-amps, ac coupling the signal into and out of the amp circuit.
>> 
>> - Ed
>> 
>>