[sdiy] all analog FM synthesis?

[René Schmitz]

Hi Dustin, Paul and all,

Paul Maddox wrote:
> Dustin,
> 
> 
>>i have been very much into FM synthesis lately and i was womdering if
>>it can be done analog? what i have looked at is a design for a quad
>>triangle VCO. with lin and log inputs. and one have a though on this ?
> 
> 
> this has been discussed on here before (can't remember when), I think
> someone was going to have a go at building some. The big issue, IIRC, is the
> 'reversing' of the output wave when the input CV goes negative.

The search phrase would be "through zero" fm (TZFM). Have a look at my 
site, for my take on analog deep fm. (VCO6)

Cheers,
  René

-- 
uzs159 at uni-bonn.de
http://www.uni-bonn.de/~uzs159