[sdiy] Pole Dancing

[Harald]

Thanks Don. Interesting article. Unfortunately, for me the graphic demo 
is mot working. No graphs to be seen, numbers are moving when the the 
sliders are moved. Using Firefox 60.2  on Linux Leap 15.0. Any suggestions?

Am 18.09.18 um 19:44 schrieb Donald Tillman:
> Hey folks,
> 
> Since we've been talking about filters lately...
> 
> There are several classes of active filters (state variable, gyrator, etc.), but one that's especially interesting is where you start with a passive RC filter, with poles on the real axis, and apply feedback, liberating the poles into the wonderment of the complex plane.
> 
> Here's a Javascript simulation I wrote of exactly that:
> 
>      Root Locus Demo of Real Poles with Feedback
>      http://till.com/articles/poledance
> 
> Have fun with it.  Tell me what you think.  Ask questions.  Explore.
> 
>    -- Don
> --
> Donald Tillman, Palo Alto, California
> http://www.till.com
> 
> 
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