3340 stripboard - pulse width detuning

[Trumac22]

Interesting! Might give it a go - I had this issue pretty bad on mine. I did a few other tricks to tame it a bit which I posted here:

AS3340 VCO /w hard/soft sync, FM modulation

So, I kept playing with it and managed to make some headway - I’ve now limited the pitch drift to about the the last 10% of the duty cycle. Not perfect but certainly much better! I stumbled across this thread: https://www.muffwiggler.com/forum/viewtopic.php?f=17&t=231130 and saw lots people repeating the problem (especially with the AS3340, like I’m using). I managed to treat the issue by including: 10uf electrolytic caps on the power rails *100nf ceramic cap from pin 4 to ground *changed t…