Author Topic: RGB to YPbPr Converter Project  (Read 12921 times)

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Offline BrianHG

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Re: RGB to YPbPr Converter Project
« Reply #25 on: January 10, 2017, 12:02:51 pm »
Which console only outputs in RGB 240p?
The only one I can think of is the Amiga 500/2000/3000, but, there is a slightly different way of doing it with that computer since it already has the 'Y' signal on one of the pins of it's RGB connector with the composite sync included.

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Offline Theobald

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Re: RGB to YPbPr Converter Project
« Reply #26 on: January 10, 2017, 01:03:32 pm »
Hi,
In European 90's, the SCART plug in RGB mode was:
-> 1V/75ohms composite video input with or without color subcarrier, sync/luma ratio 30/70%
-> 3x 1V/75ohms  RGB 0-100%
-> 1 control pin for incrustation 1V / 75ohms

very often in RGB product, the composite video was PAL, even for the French market with SECAM color process.

In the analog TV set, the bandwidth was ~8MHz in RGB mode from the scart plug to the CRT. It was a great improvement. (vs ~3.5Mhz en PAL/SECAM).

It's an interesting project, don't give up !
Theo

 

Offline Rasz

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Re: RGB to YPbPr Converter Project
« Reply #27 on: July 05, 2017, 08:21:18 pm »
in case anyone is still looking for rgb to component converter here are open source plans:
for apple http://gglabs.us/node/679
for amiga http://gglabs.us/node/983
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