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Digital simulation of nonlinear circuits by wave digital filter principles

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2 Author(s)
Meerkotter, K. ; Dept. of Electr. Eng., Paderborn Univ., West Germany ; Scholz, R.

The known principles of wave digital filters are used to simulate certain nonlinear circuits by digital means. Nonlinear elements-in particular, resistances having a continuous piecewise-linear voltage-current characteristic-are considered. It turns out that a representation of a nonlinear resistance in terms of the wave variables may exist, even if the voltage-current characteristic is neither voltage-controlled nor current-controlled. As an example, Chua's circuit is considered. It is shown that in the wave digital model of this circuit, essentially the same double-scroll attractor can be observed as in the corresponding analog realization

Published in:

Circuits and Systems, 1989., IEEE International Symposium on

Date of Conference:

8-11 May 1989