[sdiy] Schematic request please - ASM1 VCO with Triangle output (Ultra?)

[Louis van Dompselaar]

It sounds a bit like Ken Stone's VCO (which is similar to the ASM1)
http://www.cgs.synth.net/modules/cgs48_vco.html


Chris Manders wrote:
> Hi folks
>  
> I have in front of me, a circuit which I built six years ago on stripboard.
>  
> I know the circuit works, but I seem to have lost the original Schematic 
> I worked from.
>  
> The circuit is pretty much identicle to the ASM1 VCOs, but has an 
> additional circuitry for Triangle wave output, and two controls to alter 
> the symmetry of that wave.
>  
> I wondered if anyone could help me in getting this schematic, please?
>  
> I have had a good search over the Net, but apart from the ASM1 VCO 
> schematics (no triangle wave output), I can't find this one. I wonder if 
> the one I need is the ASM1 'ULTRA' VCO schematic?
>  
> My main problem right now is that I can't for the life of me work out 
> where the Triangle waveform comes out from the board.
>  
> Thanks
> Chris