Frequency limitations in generating multi-scroll chaotic attractors using CFOAs

Autor:	R. Trejo-Guerra, Jesús M. Muñoz-Pacheco, Carlos Sánchez-López, I. Toxqui-Toxqui, Esteban Tlelo-Cuautle
Rok vydání:	2014
Předmět:	Frequency response Current-feedback operational amplifier Chaotic Slew rate law.invention Nonlinear system Analog signal law Control theory Attractor Hardware_INTEGRATEDCIRCUITS Operational amplifier Electronic engineering Electrical and Electronic Engineering Mathematics
Zdroj:	International Journal of Electronics. 101:1559-1569
ISSN:	1362-3060 0020-7217
DOI:	10.1080/00207217.2014.880999
Popis:	The current-feedback operational amplifier (CFOA) allows us to implement any kind of circuit useful in analogue signal processing applications. However, it has limited performance in implementing nonlinear circuits. That way, this investigation highlights the experimental results of implementing a multi-scroll chaotic oscillator by using the commercially available CFOA AD844. The chaotic oscillator is based on saturated nonlinear function (SNLF) series, and we show and discuss its frequency limitations to generate 3- to 10-scrolls from 1 kHz to 100 kHz. Finally, we conclude that the frequency limitations are due to the nonideal characteristics of the CFOA-based SNLF block, imposed by the AD844.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::88514cb0a35f4304fe5f40e326e95e52 https://doi.org/10.1080/00207217.2014.880999 Zobrazit plný text záznamu