[sdiy] VCO that goes SHARP in highest octaves??

Ian Fritz ijfritz at comcast.net
Wed May 11 00:34:48 CEST 2022

A good place to look is at the output of the standing-current servo amp.  I see now that Thomas already has pretty big cap there, but it’s worth looking at anyway. I don’t remember seeing the hf oscillations at the output itself.


> On May 10, 2022, at 4:19 PM, Neil Harper via Synth-diy <synth-diy at synth-diy.org> wrote:
>> On 5/10/22 08:43, Ian Fritz via Synth-diy wrote:
>> This is most often due to hi freq oscillations. Other causes, too, but I suggest starting there.
>> Ian
> interesting ian, where would I see these high freq oscillations? the
> output of the oscillator looks clean without anything visible riding on
> the triangle with a 50MHz scope.
> --
> /// Neil Harper
> /// Every Wave is New Until it Breaks
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