Time domain oscillating poles: Stability redefined in Memristor based Wien-oscillators

Abdul Hafiz Ibne Talukdar, Ahmed G. Radwan, Khaled N. Salama

Research output: Chapter in Book/Report/Conference proceedingConference contribution

20 Scopus citations

Abstract

Traditionally, the necessary and sufficient condition for any system to be oscillating is that its poles are located on the imaginary (jω) axis. In this paper, for the first time, we have shown that systems can oscillate with time-domain oscillating poles. The idea is verified using a Memristor based Wien oscillator. Sustained oscillations are observed without having the poles of the system fixed on the imaginary axis and the oscillating behavior of the system poles is reported. The oscillating resistance and triangular shape of FFT are also demonstrated with mathematical reasoning and simulation results to support the unusual and surprising characteristics. © 2009 IEEE.
Original languageEnglish (US)
Title of host publication2010 International Conference on Microelectronics
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages288-291
Number of pages4
ISBN (Print)9781612841496
DOIs
StatePublished - Jan 21 2011

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