[sdiy] two VCOs on 1 PCB - problems

David G Dixon dixon at mail.ubc.ca
Fri Dec 28 01:12:14 CET 2012

> I built a dual VCO on perfboard with the two circuits 
> physically separated by ~1/2 in, and with totally separated 
> PS lines including grounds, and it does not sync at all.  RC 
> decoupling of the PS lines was not required. So this can be 
> done if you are careful.

At that point, why not just do two single VCO boards and attach them to the
same stooge bracket behind a single panel?

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