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

Neil Harper metadata at gmx.com
Sat Jun 11 02:20:01 CEST 2022



On 6/8/22 23:40, Ben Bradley via Synth-diy wrote:
> Rereading the original, it seems reasonable to assume at least one
> component is different in SMT from thru hole. I'd start replacing SMT
> parts with thru hole and see what happens. I can't quite say why, but
> I'd start with Q5 and Q6, and if no change then Q1-Q2. From there I'd
> do the other active parts. After what you've already tried, this does
> not have an easily identifiable solution.

hey Ben
i had a chance today to swap out Q5/Q6 (schmitt trigger) transistors
with the 2N3904's I use in the TH version and unfortunately the results
are the same.



--
/// Neil Harper
/// Every Wave is New Until it Breaks



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