A Current-Mode Implementation of a Chaotic Neuron Model Using a SI Integrator

Nobuo KANOU  Yoshihiko HORIO  Kazuyuki AIHARA  Shogo NAKAMURA  

Publication
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences   Vol.E77-A   No.1   pp.335-338
Publication Date: 1994/01/25
Online ISSN: 
DOI: 
Print ISSN: 0916-8508
Type of Manuscript: LETTER
Category: Nonlinear Circuits and Systems
Keyword: 
nonlinear circuits and systems,  chaos,  neural networks,  analog circuits and signal processing,  

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Summary: 
This paper presents an improved current-mode circuit for implementation of a chaotic neuron model. The proposed circuit uses a switched-current integrator and a nonlinear output function circuit, which is based on an operational transconductance amplifier, as building blocks. Is is shown by SPICE simulations and experiments using discrete elements that the proposed circuit well replicates the behavior of the chaotic neuron model.