[sdiy] Adding "sync" to a Through-Zero Sinewave Oscillator design

Donald Tillman don at till.com
Sun Sep 16 07:35:36 CEST 2018

> On Sep 15, 2018, at 3:26 PM, ulfur hansson <ulfurh at gmail.com> wrote:
> since my oscillator is through zero, my idea is to implement a switch that inverts the incoming v/8 CV everytime the "sync" input exceeds a certain threshold. 
> this would (in my mind) effectively only change sign of the sine waveform, emulating the triangle core sync i mentioned before.
> before I start gathering components and laying out a sync prototype board, i'd love to see if any of you think this is a ridiculous idea - and if there is any literature out there on various methods of sync, i would love to learn more about it beyond discharging integrator caps to ground :)

It's a clever idea.

I don't think you need to build anything; just shoot a +/- square wave into the linear thru-zero input.

  -- Don
Donald Tillman, Palo Alto, California

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