Abstract
Because they offer some significant advantages over conventional operational amplifiers, current feedback operational amplifiers (CFOAs) have been used instead of voltage operational amplifiers (VOAs) in new implementations of the chaotic Chua’s circuit. In this study, after giving a comparative investigation of CFOA-based realizations of Chua’s circuit, we will present an alternative CFOA-based realization of Chua’s circuit combining the CFOA-based circuit topologies proposed for nonlinear resistor and inductor elements in the literature. This realization offers an alternative solution for readers studying Chua’s circuit and high-frequency chaotic oscillations. The PSpice simulation experiments performed in both the time and frequency domains confirm that the proposed circuit can generate the original chaotic oscillations of Chua’s circuit and that it exhibits excellent performance at high frequencies.
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