AW: Re: Pulse width circuit??????
Joachim Verghese
jocke at netcontrol.fi
Thu Dec 7 12:18:09 CET 1995
On Wed, 6 Dec 1995 gstopp at fibermux.com wrote:
> You got the idea... however no matter what chip I try in the future
> I'll be looking at the scope as the second-to-the-last test. No matter
> what the numbers are on the spec sheet, I want to look at the square
> wave on the scope and see a pair of dashed lines going from left to
> right, complimentary to each other, perfectly flat, with nothing in
> between them, at all audio frequencies, into a 1K load to ground. No
> ringing, overshoot, slews, slopes, asymmetries, or artifacts. If I see
> that I'm happy.
Just remember that what you see on the scope isn't necessarily what
you've got in reality. Pulses/fast transients are especially problematic.
Don't forget to calibrate the probes! :))
cheers,
-joachim
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