[sdiy] Waveshaper update
Ken Stone
sasami at hotkey.net.au
Tue Aug 31 02:02:25 CEST 2004
>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
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