A new high performance realization of mixed-mode chaotic circuit using current-feedback operational amplifiers

ÇAM U.

COMPUTERS & ELECTRICAL ENGINEERING, vol.30, no.4, pp.281-290, 2004 (SCI-Expanded) identifier

  • Publication Type: Article / Article
  • Volume: 30 Issue: 4
  • Publication Date: 2004
  • Doi Number: 10.1016/s0045-7906(04)00015-1
  • Journal Name: COMPUTERS & ELECTRICAL ENGINEERING
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.281-290
  • Keywords: mixed-mode chaotic circuit, current feedback op-amp, CFOA-based inductance simulators, CFOA-based Chua's diode, OP-AMP REALIZATION, IMPLEMENTATION, COMMUNICATION, TRANSMISSION, SYSTEMS
  • Dokuz Eylül University Affiliated: Yes

Abstract

A new CFOA-based realization of mixed-mode chaotic circuit, which has both autonomous and nonautonomous chaotic dynamics, is proposed. The main purpose of this study is to improve the performance of mixed-mode chaotic circuit using only CFOAs. CFOA-based topologies used in this realization enable the simulation of ideal floating and grounded inductances. This modification provides to designer wideband chaotic signals for secure communication systems. In addition to this major improvement, CFOA-based nonlinear resistor was used in the new realization of mixed-mode chaotic circuit. The usage of CFOA-based inductance simulators and nonlinear resistor in the circuit's structure reduces the component count and provides isolated outputs. (C) 2004 Elsevier Ltd. All rights reserved.