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Browsing by Author "Yu-Ting"

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    Method for predicting inductance and self-resonant frequency of a spiral inductor
    (2008-11-11)
    Chen
    ;
    Chien-Chang
    ;
    Cheng
    ;
    Yu-Ting
    In this invention, a closed-form integral model for on-chip suspended rectangular spiral inductor is presented. The model of this invention bases on the Kramers-Kronig relations, field theory, and solid state physics to characterize a spiral inductor which RFIC designers could easily have the optimal design utilizing this analytical method. Meanwhile, this model can provide satisfactory prediction to the inductance and self-resonant frequency of the spiral inductor without complicated geometry analysis. Furthermore, unlike conventional formulations only based on circuit parameters, this model could safely predict the inductance and the self-resonant frequency when altering the material (excluding ferromagnetic materials) of a spiral inductor.