[Coco] 6847 Video (newbie question)

Tormod Volden lists.tormod at gmail.com
Sat Nov 1 06:19:12 EDT 2014


On Fri, Oct 31, 2014 at 10:03 PM, Luis Antoniosi (CoCoDemus)
<retrocanada76 at gmail.com> wrote:
> It works, but you need to make a driver:
>
> https://pbs.twimg.com/media/BCb7-hoCEAAJm22.jpg:large

Shouldn't the CbOut and CrOut drivers have a resistor from emitter to ground?

>
> When I used my it suffered from severe jumps time to time. maybe you have
> better luck and a better board.

Apart from the jumps, what does it look like? Perfectly sharp and
stable picture with good colours?

Regards,
Tormod

>
>
> Luis Felipe Antoniosi
>
>
>
> On Fri, Oct 31, 2014 at 3:58 PM, didier derny <didier at aida.org> wrote:
>
>> I just received a GBS 8220 and I was wondering if the YPBPR entries of the
>> GBS 8220
>>
>> Were compatible with the Y phiA phiB of the 6847 ?
>>
>>
>>
>> Are they the same signal with another name or something different ?
>>
>>
>>
>> Not really understood fig 10 of the 6847 datasheet
>>
>>
>>
>> I often used composite or rgb but never  YPBPR or the signal of the 6847
>>
>>
>>
>> Any idea ?
>>
>>
>>
>> Thanks
>>
>>
>>
>>
>>
>> --
>>
>> Didier
>>
>>
>>
>>
>>
>>
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>>
>
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