[sdiy] linear CV to log / antilog / inverse?

[Christian Bergmiller]

simple lin/exp conversion can be done with two transistors CV.
http://guitarfool.com/modules/DiodeVCF.html
If you want Cv output you have to replace the whole "ladder" with
a resistor and to buffer the output..

hope it makes some sense..

christian




2007/9/24, Florian Anwander <Florian.Anwander at consol.de>:
> Hi Jure
>
> >>>See "The Secret Life of Pots"
> >>>http://www.geofex.com/Article_Folders/potsecrets/potscret.htm
> >>In the application, there will actually be two voltages - one from the pot,
> >>and another from a CV jack.  I need the curve modification to apply to both.
> >>but what's wrong with the solutions described on that page?
> Nothing, but that it does not help if you want to change the curve of a
> external control voltage, which does not source from a pot...
>
> Florian
>
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