Pal and NTSC

From: Lawrence Walker <lgwalker_at_look.ca>
Date: Fri Nov 10 16:48:02 2000

> > ard_at_p850ug1.demon.co.uk (Tony Duell) wrote:
> > > Europe USA
> > > # lines 625 525
> > > Vertical Freq 50Hz 60Hz
> > > Horiz Freq 15.625kHz 15.750kHz
> > > Colour encoding PAL NTSC
> > > (Subcarrier) 4.43MHz 3.58MHz
>
> > Recently we had a computer that was setup for PAL ( B&W ).
> > We tried it on one of those Sony monitors that has a
> > select for everything. We never were able to get it
> > to work. Latter we tried an old black and white monitor
> > ( well black and green ). We were able to adjust the
> > vertical and horizontal enough to get it to work.
> > I guess it really depends on what you expect. I think
> > the Sony may have been looking for the color burst
> > or maybe the audio to lock onto. The computer we had
> > only produced video B&W out.
>
> Well, the B&W signal is (with an exeption of the
> VerticalF/Lines ratio) the same for both - and since
> the resulting horizontal frequency is (almost) the
> same, most B&W monitors are able to display NTSC and
> PAL (or better US and European B&W) with only minor
> adjustment. A good buy here is an Apple /// screen.
> Simple, ad still fairly available.
>
> Gruss
> H.
>
> --
> VCF Europa 2.0 am 28./29. April 2001 in Muenchen
> http://www.vintage.org/vcfe
> http://www.homecomputer.de/vcfe
>
 Bingo ! Thanks Hans.

ciao larry


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