[sdiy] Waveshaper update
harrybissell
harrybissell at prodigy.net
Tue Aug 31 05:37:25 CEST 2004
LOL... in fact my experiments were with YOUR wave multiplier. I added several
stages
and did a different type of clamp to keep the wave from 'breaking out'. I'd
like to have
many many stages, and damn the cost. Of course it will eventually degrade,
noise-wise...
into a BBD so there you have it :^P
H^) harry
Ken Stone wrote:
> >hmmm let me take my shoes off (counts toes) and do the math :^P
> >
> >but seriously folks... the overall effect of the pulser is similar to a
> >resonant
> >filter... as you sweep upward, the resonant er... bumps ??? get closer
> >together.
> >
> >So there is a law of diminishing returns with the pulser... the more
> >pulses the more
> >it starts to sound like a resonant filter with the center frequency all
> >the way up.
>
> I found a similar thing with my wave multiplier. Mine has 4 stages.
> Originally it had seven. The difference was not so great as to warrant the
> extra parts and the associated cost. For what it is worth, the original
> Serge one uses 6. I suspect the real reason for using 6 is to keep the
> output signal within a voltage range. I used a second feedback loop on the
> fourth stage to achieve a similar limitation.
>
> Ken
> _______________________________________________________________________
> Ken Stone sasami at hotkey.net.au or sasami at cgs.synth.net
> Modular Synth PCBs for sale <http://www.blaze.net.au/~sasami/synth/>
> Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>
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