spikes (was:AW: FETs on the ASM-1 VCO.)

[Fraser, Colin J]

> -----Original Message-----
> From: Haible Juergen [mailto:Juergen.Haible at nbgm.siemens.de]
> Sent: 16 December 1998 12:22
> To: DIY
> Subject: spikes (was:AW: FETs on the ASM-1 VCO.)
> 
> IMO, the only reason for ultra short reset time is triangle
> conversion. And the problem is worst in LFO applications.
> Sure, I know, first rule in Building VCOs: Start with triangle,
> not with saw. But then I absolutely love the variable shape
> of Osc 3 of the VCS3 for modulation - it's a very unique
> effect - and you can only get that when your oscillator core 
> is producing a saw wave. 

I'm not familiar with this - what does the variable shape function of the
vcs3 do, and how ?

Colin f