[sdiy] saw/ramp from square?

[harrybissell at wowway.com]

I only need 1.5 octaves... so I choose a pulse that decays fast enough
for the highest note, and that gives a spaced pulse on the lowest note...
this eliminates DC offset (ok makes it constant :^)

H^) harry





On Sat, 17 Jan 2009 17:34:54 +0100, Magnus Danielson wrote
> harrybissell at wowway.com skrev:
> > I used the differentiated square / rectifier for the sawtooth wave on the
> > "Muffy" guitar processor (see Larry Handry's site). It does work well over
> > a limited frequency range... and within limits the amplitude does not vary
> 
> You could either integrate or derivate, but you want to stick an OTA 
> in there which gets a coarse CV which is (fairly) linear to the 
> frequency in order to keep a (fairly) stable amplitude as the 
> frequency changes.
> 
> Cheers,
> Magnus


Harry Bissell & Nora Abdullah 4eva