[sdiy] Something better than CD4066 to switch CVs?

Florian Anwander fanwander at mnet-online.de
Tue Feb 19 18:35:44 CET 2019


Am 19.02.19 um 11:06 schrieb Tom Wiltshire:
> The Prophet 5 managed to switch Oscillator B into low frequency mode about thirty years ago, so it must be possible.
>
> I had a look at the schematic and it doesn’t look like they switch an extra cap in though. Instead they switch an extra -15V into the CV. The Pro-1 uses the same trick.
>
Someone more knowledged may correct me, but I think this may work with a 
coarse parameter change, but with tracking sensitive controls, the inner 
resistance of the 4066 might become an influence.

Florian


More information about the Synth-diy mailing list