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Article #2321

Re: Supply for LV lighting application?

#2321
From: Russ
Date: Mon, 17 Mar 2003 09:58
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"Richard Crowley" <rcrowley7@xprt.net> wrote in message
news:v7alqfnnv6hfcf@corp.supernews.com...
> "Klaus Vestergaard Kragelund" wrote
> > I guess mains flicker would be a major problem in the USA, don't know
> about
> > New Zeeland/Australia. In Denmark it happens were seldomly in residental
> > areas.
>
> Why?  Mains frequency is 20% HIGHER in USA
>
> PAL video flicker is quite noticable to many visitors from USA

In production circles, we call that "Film Look" :)

Seriously, given the thickness of the filament in QH lamps and therefore how
slowly they heat up and cool down, I'd be very surprised if you could see AC
flicker. Certainly nothing like fluorescent flicker.

Russ.
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From: "Russ" <russell@remove.thehovel.net>
Newsgroups: sci.electronics.design,sci.electronics.misc,alt.engineering.electrical,aus.electronics
Subject: Re: Supply for LV lighting application?
Date: Mon, 17 Mar 2003 20:58:14 +1100
Organization: Web One Internet http://webone.com.au
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