EXPERIMENTAL VERIFICATION OF HIGH FREQUENCY PERFORMANCE OF FTFN-BASED SIMPLE CHAOTIC CIRCUIT

In this study, we aimed to improve the VOA-based simple chaotic circuit proposed by Sprott in the literature by using FTFN-based circuit topology. And also, by choosing one of the FTFN-based circuits whose chaotic dynamics are very similar to that of Chua's circuit as a reference model, we tested the performance of this model at different frequencies and its extended frequency performance has been verified by laboratory experiments and PSpice simulations.

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AN EXPERIMENTAL STUDY ON CHAOTIC DYNAMICS OF CFOA-BASED SC-CNN CIRCUIT

International Journal of Bifurcation and Chaos ◽

10.1142/s0218127405013484 ◽

2005 ◽

Vol 15 (08) ◽

pp. 2551-2558 ◽

Cited By ~ 5

Author(s):

ENIS GÜNAY ◽

MUSTAFA ALÇI ◽

FATMA YILDIRIM

Keyword(s):

Neural Network ◽

High Frequency ◽

Chaotic Dynamics ◽

Laboratory Experiments ◽

Cellular Neural Network ◽

Current Feedback ◽

Op Amp ◽

Op Amps ◽

Experimental Implementation ◽

High Frequency Performance

In this paper, an experimental implementation of State Controlled Cellular Neural Network (SC-CNN) circuit using Current Feedback Op Amp (CFOA) is presented and its chaotic dynamics including high frequency performance are investigated by laboratory experiments. Depending on its significant advantages over the conventional voltage op amps (VOAs), without imposing any restrictions, the CFOAs have been used instead of the VOAs in SC-CNN circuit. Experimental results have shown that the proposed implementation has a capacity of higher frequency operation.

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The realization of FTFN-based simple chaotic circuit and experimental verification of its high frequency performance

Proceedings of the IEEE 12th Signal Processing and Communications Applications Conference, 2004. ◽

10.1109/siu.2004.1338612 ◽

2004 ◽

Cited By ~ 2

Author(s):

F. Yildrim ◽

E. Uzunhisarcikli ◽

M. Alci

Keyword(s):

Experimental Verification ◽

High Frequency ◽

Chaotic Circuit ◽

High Frequency Performance

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Dynamics, Analysis and Implementation of a Multiscroll Memristor-Based Chaotic Circuit

International Journal of Bifurcation and Chaos ◽

10.1142/s0218127416501285 ◽

2016 ◽

Vol 26 (08) ◽

pp. 1650128 ◽

Cited By ~ 20

Author(s):

N. Henry Alombah ◽

Hilaire Fotsin ◽

E. B. Megam Ngouonkadi ◽

Tekou Nguazon

Keyword(s):

Chaotic Dynamics ◽

Laboratory Experiments ◽

Chaotic Systems ◽

Chaotic Behavior ◽

Phase Portraits ◽

Hopf Bifurcations ◽

Biometric Authentication ◽

Chaotic Circuit ◽

Circuit Element ◽

Broadband Signal

This article introduces a novel four-dimensional autonomous multiscroll chaotic circuit which is derived from the actual simplest memristor-based chaotic circuit. A fourth circuit element — another inductor — is introduced to generate the complex behavior observed. A systematic study of the chaotic behavior is performed with the help of some nonlinear tools such as Lyapunov exponents, phase portraits, and bifurcation diagrams. Multiple scroll attractors are observed in Matlab, Pspice environments and also experimentally. We also observe the phenomenon of antimonotonicity, periodic and chaotic bubbles, multiple periodic-doubling bifurcations, Hopf bifurcations, crises and the phenomenon of intermittency. The chaotic dynamics of this circuit is realized by laboratory experiments, Pspice simulations, numerical and analytical investigations. It is observed that the results from the three environments agree to a great extent. This topology is likely convenient to be used to intentionally generate chaos in memristor-based chaotic circuit applications, given the fact that multiscroll chaotic systems have found important applications as broadband signal generators, pseudorandom number generators for communication engineering and also in biometric authentication.

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