[sdiy] VCO waveform logic selection

[René Schmitz]

Hi all,

I've used the same trick with a 4053 here:
http://www.uni-bonn.de/~uzs159/switch.html

Should work with +-3V supplies as well.

Cheers,
  René

Mattias Rickardsson schrieb:
> How about doing the Prophet~5 trick and putting the 4051 on the other
> side of the resistor, namely at an OPamp input where it's at virtual
> ground potential? This will let it eat any signal level, and will also
> prevent distortions caused by the 4051 on-resistance varying with
> input voltage.
> 
> If I've understood things correctly. :-)
> 
> /mr