Doepfer

Yes - that'd be great!! I would buy 8 to upgrade all my VCO's. 


--- In Doepfer_a100@yahoogroups.com, <hardware@...> wrote:
>
> Tim,
> 
> excellent work. Sounds very interesting - especially as the circuit
> obviously does not need a power supply. Maybe we could built a 
small pc
> board that can be added to the A-110 (provided that we get the 
permission
> from you). Only three wires are needed (tri input, sine output, 
GND).
> Another solution would be a modification of the small output board 
of the
> A-110 (adding the additional parts to this board).
> 
> Best wishes
> Dieter Doepfer
> 
> > -----Ursprüngliche Nachricht-----
> > Von: Doepfer_a100@yahoogroups.com
> > [mailto:Doepfer_a100@yahoogroups.com]Im Auftrag von Tim 
Stinchcombe
> > Gesendet: Mittwoch, 20. September 2006 23:28
> > An: Doepfer_a100@yahoogroups.com
> > Betreff: [Doepfer_a100] Possible A-110 mod for better sinewaves?
> >
> >
> > Hi list,
> >
> > After the recent thread about the 'purity' of the sinewaves from 
the A-
> > 110, I started looking at how these could possibly be improved. 
I came
> > across a simple conversion circuit, not that much more 
complicated than
> > what is in there at the moment, and when I breadboarded it, I was
> > stunned at just how good the sine waves from it are - I have 
created a
> > new page at my website with a couple of scope traces:
> >
> > http://mysite.wanadoo-
> > members.co.uk/tstinchcombe/synth/invest/invest.html
> >
> > (watch the line-wrap there!).
> >
> > I'm in the process of seeing how feasible it might be to actually
> > modify an A-110 to incorporate the extra bits 'n bobs to do 
this. (I
> > also want to get the original paper of the circuit, so that I 
can check
> > that the component values are 'optimal'!)
> >
> > Tim
> >
> >
> >
> >
> >
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
> >
> >
> >
>