[Coco] again: CoCo RGB to VGA conversion
peak at mail.polarcomm.com
peak at mail.polarcomm.com
Thu Aug 26 16:00:40 EDT 2004
These new "super Capacitors" are slow!!! Thats why they are
used like batteries not caps! A normal speed 1 Farad cap
would indeed be as big as a house!
eric
---- Original message ----
>Date: Thu, 19 Aug 2004 13:42:03 -0400
>From: jdaggett at gate.net
>Subject: Re: [Coco] again: CoCo RGB to VGA conversion
>To: CoCoList for Color Computer Enthusiasts
<coco at maltedmedia.com>
>
>Kevin
>
>I would not recommend using 1 F caps other than for short
term
>data retention in SRAMs. Maybe in very low frequency
filters. Not in
>the Coco.
>
>j ames
>
>
>On 19 Aug 2004 at 9:38, Kevin Diggs wrote:
>
>Date sent: Thu, 19 Aug 2004 09:38:35 -0700
>From: Kevin Diggs <kevdig at hypersurf.com>
>To: CoCoList for Color Computer Enthusiasts
><coco at maltedmedia.com>
>Subject: Re: [Coco] again: CoCo RGB to VGA
>conversion
>Send reply to: CoCoList for Color Computer Enthusiasts
><coco at maltedmedia.com>
> <mailto:coco-
>request at maltedmedia.com?subject=unsubscribe>
> <mailto:coco-
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>
>> Hi,
>>
>> But would it be enough to simulate the fuzziness of the
CM-8?
>>
>> kevin
>>
>> jdaggett at gate.net wrote:
>> > RJRTTY
>> >
>> > A one farrad cap depending on voltage rating can be very
small.
>> > Pager designs that I did used a 0.22 F cap that was
rated 3 VDC and
>> > no biggfer than many hearing aid batteries. About 8 mm
in diameter
>> > and 4 mm thick. The company did have a 1 F at 2.5VDc
that was about
>> > the size of the large lithium coin cell batteries.
(CR233?).
>> >
>> > james
>> >
>> >
>> > On 18 Aug 2004 at 23:23, RJRTTY at aol.com wrote:
>> >
>> > From: RJRTTY at aol.com
>> > Date sent: Wed, 18 Aug 2004 23:23:06 EDT
>> > Subject: Re: [Coco] again: CoCo RGB to VGA
>> > conversion
>> > To: coco at maltedmedia.com
>> > Send reply to: CoCoList for Color Computer
Enthusiasts
>> > <coco at maltedmedia.com>
>> > <mailto:coco-
>> > request at maltedmedia.com?subject=unsubscribe>
>> > <mailto:coco-
>> > request at maltedmedia.com?subject=subscribe>
>> >
>> >>Friends
>> >>
>> >> >I do agree that without special processing the
display will
>> >> >look different from the CrapMaster-8. It would
probably be
>> >> possible >to add some horizontal "fuzz" to more
closely
>> >> simulate the CM-8
>> >>
>> >>
>> >> I think the term you are looking for is broadband
noise which
>> >> can
>> >>easily be introduced with the proper filtering.
>> >>
>> >> >(perhaps adding a 1F capacitor to the output
lines would
>> >> >match
>> >> the >CM-8).
>> >>
>> >>
>> >> At the risk of sounding like a smart a** ,a one
farad capacitor
>> >> would
>> >>probably be about the size of a washing machine :)
>> >>
>> >> I am going to take a chance and purchase the XRGB-2
Plus
>> >>upscan converter. I will report on my results when I
try it
>> >>with the coco3.
>> >>
>> >>Roy
>> >>
>> >>
>> >>--
>> >>Coco mailing list
>> >>Coco at maltedmedia.com
>> >>http://five.pairlist.net/mailman/listinfo/coco
>> >
>> >
>> >
>> >
>>
>>
>> --
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>
>
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