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Implementation of a chaotic oscillator by designing Chua’s diode with CMOS CFOAs

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Abstract

The implementation of a chaotic oscillator which is based on Chua’s circuit, is presented. Chua’s diode is realized by using current feedback operational amplifiers (CFOAs). Furthermore, it is shown that a CMOS compatible CFOA can be designed by connecting two voltage followers sandwiched between two current mirrors. The proposed implementation is biased at ±1.2 V, and simulated by using SPICE and standard CMOS technology of 0.35 μm. Finally, simulation results are presented to show the sequence of chaotic behaviours for increasing values of the linear resistance.

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Author information

Authors and Affiliations

  1. INAOE, Department of Electronics, Luis Enrique Erro No. 1, Tonantzintla, Puebla, 72000, Mexico

    E. Tlelo-Cuautle

  2. BUAP, Faculty of Electronics Science, Puebla, Mexico

    A. Gaona-Hernández & J. García-Delgado

Authors
  1. E. Tlelo-Cuautle
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  2. A. Gaona-Hernández
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  3. J. García-Delgado
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Corresponding author

Correspondence to E. Tlelo-Cuautle.

Additional information

Esteban Tlelo-Cuautle received the B.Sc. degree in electronics engineering from the Technologic Institute of Puebla (ITP) México, in 1993, the M.Sc. and Ph.D. degrees from the National Institute for Astrophysics, Optics and Electronics (INAOE) México, in 1995 and 2000, respectively. In 1995 he joined the Department of Electronics at the ITP. Since 2001 he has been with the Department of Electronics at INAOE, where he is currently a Researcher. He has been member of reviewer-committees for the IEEE Trans. on CAS-I, IEEE Trans. on Education, IEEE Latin-America, Información Tecnológica, SCI Journal, IASTED, and IEEE ISCAS. He is member of IEICE, Senior Member of the IEEE, and his research interest include electronic design automation, modeling and simulation, symbolic analysis, circuit synthesis, and analog and mixed-signal CAD tools.

Aarón Gaona-Hernández was born in Puebla, México in 1980. He received his B.Sc. degree from the Faculty of Sciences for Electronics at the Autonomous University of Puebla (BUAP-FCE), in 2005. His research interest include analog IC design and chaotic systems.

Joel García-Delgado is with the BUAP-FCE México.

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Tlelo-Cuautle, E., Gaona-Hernández, A. & García-Delgado, J. Implementation of a chaotic oscillator by designing Chua’s diode with CMOS CFOAs. Analog Integr Circ Sig Process 48, 159–162 (2006). https://doi.org/10.1007/s10470-006-7299-2

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  • DOI: https://doi.org/10.1007/s10470-006-7299-2

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