Re: printing crashes system
From: Joe Beanfish (joebeanfish_at_nospam.duh)
Date: 10/22/03
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Date: Wed, 22 Oct 2003 14:45:45 -0400
Haines Brown wrote:
>
> > > The APC "BackupUPS" line (and probably others) give an effectively
> > > square wave (there's one step).
> >
> > Yup, according to http://luna.havk.org/mail/luna__2000_08/0082.html .
>
> I don't wish to be argumentative, but this is only one person's
> opinion. When I look at the spec sheet referenced earlier in this
> dialog, it stated explicitly that the BackupUPS output is a "sine
> wave" with less than 5% THD. That to me means sine wave, not square
> wave, rounded corners or not.
No opinion. I've looked at the BackUPS on an oscilloscope. It's very
much square wave. I about lost my lunch when I first saw it.
It's so bad that even ascii art is fairly representative.
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