Fourier analysis of complex impedance (amplitude and phase) in nonlinear systems: A case study of diodes

    Research output: Contribution to journalArticle

    • 15 Citations

    Abstract

    The general framework of Fourier analysis of complex impedance including both the amplitude and phase information is presented. For the single frequency sine/cosine input, Fast Fourier Transform can be used to obtain the amplitude and phase of the harmonics in the output signal. Complex nonlinear least squares fitting can then be applied to correlate the experimental and calculated results as in conventional impedance spectroscopy. General purpose p-n junction diodes were used as model systems to test the method as well as to compare it to other means of analysis.

    Original languageEnglish (US)
    Pages (from-to)5511-5518
    Number of pages8
    JournalElectrochimica Acta
    Volume55
    Issue number19
    DOIs
    StatePublished - Jul 30 2010

    Profile

    Filipin
    Fourier analysis
    Diodes
    Anthralin
    Fish Oils
    Acetone
    Nonlinear systems
    Fast Fourier transforms
    Spectroscopy

    Keywords

    • Complex impedance
    • Fourier analysis
    • Frequency response analysis
    • Harmonic analysis
    • Nonlinear system

    ASJC Scopus subject areas

    • Electrochemistry
    • Chemical Engineering(all)

    Cite this

    Fourier analysis of complex impedance (amplitude and phase) in nonlinear systems : A case study of diodes. / Lai, Wei.

    In: Electrochimica Acta, Vol. 55, No. 19, 30.07.2010, p. 5511-5518.

    Research output: Contribution to journalArticle

    Lai, Wei / Fourier analysis of complex impedance (amplitude and phase) in nonlinear systems : A case study of diodes.

    In: Electrochimica Acta, Vol. 55, No. 19, 30.07.2010, p. 5511-5518.

    Research output: Contribution to journalArticle

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