Improved implementation of Chua's chaotic oscillator using current feedback op amp

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Improved implementation of Chua's chaotic oscillator using current feedback op amp

Elwakil, Ahmed S.; Kennedy, Michael Peter
Date: 2000-01
Copyright: ©2000 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Citation: Elwakil, A.S., Kennedy, M.P., 2000. Improved implementation of Chua's chaotic oscillator using current feedback op amp. IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications, 47, (1), pp.76-79. doi: 10.1109/81.817395
Published Version: 10.1109/81.817395

Abstract:

An improved implementation of Chua's chaotic oscillator is proposed. The new realization combines attractive features of the current feedback op amp (CFOA) operating in both voltage and current modes to construct the active three-segment voltage-controlled nonlinear resistor. Several enhancements are achieved: the component count is reduced and the chaotic spectrum is extended to higher frequencies. In addition, a buffered and isolated voltage output directly representing a state variable is made available. Based on a linearized model of Chua's circuit, the useful tuning range of the major bifurcation parameter (G) and the expected frequency of oscillation, are estimated

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