Current-Controlled Chaotic Chua’s Circuit Using CCCII

A simple electronically tunable current-controlled chaotic Chua’s circuit using second-generation current-controlled current conveyor (CCCII) with 0.25 µm CMOS technology is presented. An electronically control behavior of nonlinear resistance (NR) produces significant change in voltage–current characteristics due to the bias current present in CCCII. The nature of the chaotic circuit in terms of different attractor can be achieved by controlling the variable resistor. The phase portraits of the proposed design are well simulated in PSPICE. The proposed circuit has several advantages viz. uses minimum number of passive components, low frequency operation, and tunable chaotic nature. Finally, a comparative study in terms of physical parameter is tabulated in this scientific literature.

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