dor_id: 41757

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856.4.0.u: https://rmf.smf.mx/ojs/rmf/article/view/3888/3855

100.1.#.a: Sánchez López, C.

524.#.#.a: Sánchez López, C. (2012). A 1.7 MHz Chua's circuit using VMs and CF+s. Revista Mexicana de Física; Vol 58, No 1: 86-93. Recuperado de https://repositorio.unam.mx/contenidos/41757

245.1.0.a: A 1.7 MHz Chua's circuit using VMs and CF+s

502.#.#.c: Universidad Nacional Autónoma de México

561.1.#.a: Facultad de Ciencias, UNAM

264.#.0.c: 2012

264.#.1.c: 2012-01-01

653.#.#.a: Chaos; unity-gain cells; chua's circuit; double-scroll; voltage-mirror; current-mirror

506.1.#.a: La titularidad de los derechos patrimoniales de esta obra pertenece a las instituciones editoras. Su uso se rige por una licencia Creative Commons BY-NC-ND 4.0 Internacional, https://creativecommons.org/licenses/by-nc-nd/4.0/legalcode.es, fecha de asignación de la licencia 2012-01-01, para un uso diferente consultar al responsable jurídico del repositorio por medio de rmf@ciencias.unam.mx

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001.#.#.#: oai:ojs.rmf.smf.mx:article/3888

041.#.7.h: eng

520.3.#.a: In this paper, a high-frequency Chua's chaotic oscillator based on unity gain cells (UGCs) is introduced. Leveraging the internal buffers of the integrated circuit AD844, a voltage mirror (VM) and a positive current follower (CF+) are designed, taking into account the parasitic elements associated to each UGC. Afterwards, the behavior of the nonlinear resistor and of the grounded inductor are designed by using several VMs, CF+s, discrete capacitors and resistors. In this way, Chua's circuit is built by coupling a nonlinear resistor and an active LC tank circuit by using an RC passive filter. Hspice simulations performed at the state space and in the time and frequency domains show that the proposed topology generates chaos at 1.7 MHz. Experimental results are given, verifying that the chaotic spectrum is extended to high-frequency and showing close agreement with theoretical analysis. The proposed topology is compared with other topologies reported in the literature, showing that a number reduced of active devices and passive elements along with smaller supply voltages can be used to generate chaotic oscillations at high-frequency. Sensitivity and Monte Carlo analysis are also done in order to research the robustness of the proposed chaotic circuit.

773.1.#.t: Revista Mexicana de Física; Vol 58, No 1 (2012): 86-93

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handle: 2604c8c4fce7f24b

harvesting_date: 2020-09-23 00:00:00.0

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last_modified: 2020-11-27 00:00:00

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license_type: by-nc-nd

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No entro en nada

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Artículo

A 1.7 MHz Chua's circuit using VMs and CF+s

Sánchez López, C.

Facultad de Ciencias, UNAM, publicado en Revista Mexicana de Física, y cosechado de Revistas UNAM

Licencia de uso

Procedencia del contenido

Entidad o dependencia
Facultad de Ciencias, UNAM
Revista
Repositorio
Contacto
Revistas UNAM. Dirección General de Publicaciones y Fomento Editorial, UNAM en revistas@unam.mx

Cita

Sánchez López, C. (2012). A 1.7 MHz Chua's circuit using VMs and CF+s. Revista Mexicana de Física; Vol 58, No 1: 86-93. Recuperado de https://repositorio.unam.mx/contenidos/41757

Descripción del recurso

Autor(es)
Sánchez López, C.
Tipo
Artículo de Investigación
Área del conocimiento
Físico Matemáticas y Ciencias de la Tierra
Título
A 1.7 MHz Chua's circuit using VMs and CF+s
Fecha
2012-01-01
Resumen
In this paper, a high-frequency Chua's chaotic oscillator based on unity gain cells (UGCs) is introduced. Leveraging the internal buffers of the integrated circuit AD844, a voltage mirror (VM) and a positive current follower (CF+) are designed, taking into account the parasitic elements associated to each UGC. Afterwards, the behavior of the nonlinear resistor and of the grounded inductor are designed by using several VMs, CF+s, discrete capacitors and resistors. In this way, Chua's circuit is built by coupling a nonlinear resistor and an active LC tank circuit by using an RC passive filter. Hspice simulations performed at the state space and in the time and frequency domains show that the proposed topology generates chaos at 1.7 MHz. Experimental results are given, verifying that the chaotic spectrum is extended to high-frequency and showing close agreement with theoretical analysis. The proposed topology is compared with other topologies reported in the literature, showing that a number reduced of active devices and passive elements along with smaller supply voltages can be used to generate chaotic oscillations at high-frequency. Sensitivity and Monte Carlo analysis are also done in order to research the robustness of the proposed chaotic circuit.
Tema
Chaos; unity-gain cells; chua's circuit; double-scroll; voltage-mirror; current-mirror
Idioma
eng
ISSN
2683-2224 (digital); 0035-001X (impresa)

Enlaces