[sdiy] generating an s-shaped curve

[Tim Parkhurst]

On Thu, Jan 26, 2012 at 12:19 PM, Harry Bissell <harrybissell at wowway.com> wrote:
> OK let me explain. I want to process a CV, so that there is increasing (non-linear) gain for signals above
> a break point (maybe +1V) and that has (well) increasing gain going negative below that.
>
> The idea, the 1V signals would be unaffected by the circuit, higher voltages would go progressively higher, and
> lower voltages would go progressively lower.
>
> I can think of a diode breakpoint generator, but I'm looking for more ideas :^)
>
> H^) harry

Or perhaps a tri-to-sine shaper?

http://www.sdiy.org/colbecklabs/circuits/triangle-sine.html


Tim (owner of an s-shaped six pack) Servo
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