[sdiy] ASM-1 VCO section update

Tony Allgood oakley at techrepairs.freeserve.co.uk
Mon May 21 15:07:11 CEST 2001


Magnus>Hoy! Tony! Do you recall the discussion we had on sync over at
Paul's?

Yes, I remember it. I use a similar method to the ASM VCO in my own VCO
design. Although I use a diode to clamp the negative going spikes to
prevent any change in threshold in the comparator.

But I still find that triggering from another VCO's Sawtooth output
gives a much better sound at lower frequencies. Using a square does
sometimes result in 'slipped' sync, a bit 'soft' if you like. At higher
frequencies the two are similar.

Regards,

Tony Allgood  Penrith, Cumbria, England

Oakley Modular Synth and TB3030:
www.techrepairs.freeserve.co.uk/projects.htm
My music: www.mp3.com/taklamakan








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