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From: "Mike Engelhardt"
Subject: Re: LT SwitcherCAD Current Source Help
Date: 13 Sep 2002 18:51:50 GMT
References: <3D809F7A.firstname.lastname@example.org> <5Pgg9.email@example.com>
Reply-To: "Mike Engelhardt"
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> > > ...The spice SW voltage controlled switch is not discontinues.
> > > It varies from its min value to its max value. You can not
> > > make it infinite...
> > Err, well, yes, that is discontinuous. You can make switches
> > continuous and smoothly
> Er... Nope...don't know what you mean at all.
> If something various from a to b with no missing bits in-between its
> continuous, and that is what the spice switch does. Maybe you are
> confusing continuity with differentiability. For example, a triangle
> wave is continuous, but it is not differentiable at its turning point as
> its derivative depends on the direction of approach.
I've always been of the persuasion that a triangular wave is
continuous but has a discontinuous 1st derivative. A square
wave has a continuous 1st derivative(always zero) but the
function itself is discontinuous.
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