[EFM] Wave Shapes

[Scott Bernardi]

Here's an interesting circuit for introducing nonlinear shapes to a standard
waveform.
http://members.home.net/sbernardi/elec/timbremod.html


Dr Strangelove wrote:

> Here's a question for everyone.
>
> Is there any way to get waveforms besides the regular ol' Sine / Saw /
> Square / Tri?  I dig the old waves and they can sync and be FM'ed.  I was
> reading an old synth construction book and they have an osc that makes a
> "Negative Spike Wave"..... It looked like a short pulse with some kind of
> logorithmic curve on the down swing and about 90% of the wave was flat....
> oh, and it was inverted.  Unfortunately it required the use of a
> Uni-junction Tranny that I can't find  :-( .  Does anyone know any ways to
> generate some funky wave forms like that from normal waves?  Are there any
> simple devices to do that kinda thing?  Have there ever been any commercial
> modules that say inputted a sine and outputted some wierdo waves?
>
> -=<Jon Pratt>=-
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--
Scott Bernardi
sbernardi at home.net