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This paper provides a novel configuration to design a multi-scroll chaotic oscillator employing unity-gain cells (UGCs). The inclusion of multi-breakpoints to create a high-order negative nonlinear resistor (NR) is realized by the parallel combinations of basic cells. The breakpoints are controlled with resistors and tuning with level shifters. The multiscroll chaotic attractor has been optimized...
A novel topology to design a chaotic oscillator which is based on Chua's circuit, is proposed. The chaotic oscillator is realized with unity-gain cells, that is, the use of voltage followers (VF) and current followers (CF) to emulate the behavior of the two most important elements of the Chua's circuit: the active three-segment voltage controlled nonlinear resistor and the grounded inductor. Furthermore,...
An improved implementation of the Chua's chaotic oscillator is proposed. The new realization is based on the use of voltage and current followers to construct the active three-segment voltage-controlled nonlinear resistor. The proposed circuit is optimized for low-voltage operation with plusmn1.5 V, by using standard CMOS technology of 0.35 mum AMS. The HSPICE simulations performed in both time and...
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