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Inductorless realization of Chua’s oscillator using DVCCTA

  • Mixed Signal Letter
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Abstract

This research paper describes a new current mode implementation of Chua’s circuit using differential voltage current conveyor transconductance amplifier (DVCCTA) and standard passive components like resistor, capacitor and active inductor. The Chua’s circuit brings a verity of complex dynamical nature with Chaos that provides a wide range of bifurcation phenomena and attractors. The circuit 4schematic is simple but the nature of its outcome is vigorous and attractive. The existence of hidden chaotic nature is illustrated with the use of negative nonlinear resistor. Nonlinear negative resistor as well as active inductor used in the circuit is proposed using DVCCTA block. Simulations are performed by using PSPICE based ORCAD 16.6 circuit simulator to visualize various responses of the Chua’s circuit. The DVCCTA building block is implemented using 0.25 μm TSMC CMOS technology. The simulated results agree well with the theoretical predictions. To validate the workability, the proposed circuit is also experimentally verified using commercially available IC AD844.

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Authors and Affiliations

  1. Department of Electronics Engineering, Indian School of Mines, Dhanbad, 826004, India

    Ajay Kumar Kushwaha & Sajal K. Paul

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  1. Ajay Kumar Kushwaha
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  2. Sajal K. Paul
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Correspondence to Sajal K. Paul.

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Kushwaha, A.K., Paul, S.K. Inductorless realization of Chua’s oscillator using DVCCTA. Analog Integr Circ Sig Process 88, 137–150 (2016). https://doi.org/10.1007/s10470-016-0746-9

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  • DOI: https://doi.org/10.1007/s10470-016-0746-9

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