[sdiy] filters, state variable in particular

[Scott Gravenhorst]

"Roy J. Tellason" <rtellason at blazenet.net> wrote:
>I just happened across a magazine article that among other things talked about 
>the state variable filter,  and was wondering how useful that circuit would 
>be in the SDIY context.  Comments?

The filter in the FatMan is a VC-SVF.  I like it.

>
>-- 
>Member of the toughest, meanest, deadliest, most unrelenting -- and
>ablest -- form of life in this section of space,  a critter that can
>be killed but can't be tamed.  --Robert A. Heinlein, "The Puppet Masters"
>-
>Information is more dangerous than cannon to a society ruled by lies. --James 
>M Dakin
>

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