Analogue systems

On 2009-01-14 16:09 -0800, Monroe Eskew wrote:

> Wouldn't it be great for AS to release a new VCO?  Their rs95 is so  
> wonderful... now I am looking for an excuse to get a new VCO.  Here  
> are some features I would like to see.
>
> 4) On the triangle/saw morph, keep the voltage a continuous function  
> of time until you get to saw.  i.e. Increase the ratio of slope  
> magnitudes of the falling and rising part from one to infinity, rather  
> than inserting an increasingly big jump.  I don't know how feasible  
> this is with analogue circuits.

There was a thread on that on the synth-diy list on 2008-12-02
under the subject "VCO design question". It can be done, cf. the
MS-20 LFO. But it's not voltage-controlled and what is easy at low
frequencies might not be at audio frequencies.

-- 
André Majorel <URL:http://www.teaser.fr/~amajorel/>