[sdiy] filters, state variable in particular

[Magnus Danielson]

From: "Roy J. Tellason" <rtellason at blazenet.net>
Subject: [sdiy] filters, state variable in particular
Date: Sun, 18 Dec 2005 15:02:47 -0500
Message-ID: <200512181502.47550.rtellason at blazenet.net>

> 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?

Obie-SEM & ASM-1 VCFs, to name a few.

So, yes, they are useful!

Cheers,
Magnus