Nonlinear Feedback Filter (idea only) schematic on the web

[Scott Gravenhorst]

This is as yet untested, but I worked out a circuit I want to
prototype and test.

http://members.xoom.com/chordman/NonlinearFeedbackFilter.html

Have a look if you like.

-- Scott Gravenhorst
-- FatMan Site: www.teklab.com/~chordman