Programmable and Adaptive Analog Filters using Arrays of Floating-Gate Circuits

Authors:
Matt Kucic;Paul Hasler;Jeff Dugger;David Anderson
Affiliations:
-;-;-;-
Venue:
ARVLSI '01 Proceedings of the 2001 Conference on Advanced Research in VLSI
Year:
2001

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Abstract

In this paper we describe a programmable and adaptive filter based on floating-gate technology. We review the basics of floating-gate techniques and how they enable programmable and adaptive filter circuits. We describe our programmable filter concepts, and show experimental results of programmable filter operation. We also describe programming methods, and extend the programmability to a wide range of functions and circuits using the same approach. Further, we describe our techniques and custom programmer board for floating-gate programming of an IC. We show how to extend our programmable filters as adaptive filters both through weight perturbation methods and continuously adapting correlation rule methods.