Surrogate modeling and variability analysis of on-chip spiral inductors

Emre Akso, İhsan Baturay Soysal, Mustafa Berke Yelten*

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6 Atıf (Scopus)

Özet

This paper presents an approach to the analysis of on-chip integrated spiral inductors in terms of parametric variabilities. An enhanced single-π model is proposed to compensate for high frequency deviations. In addition to the single-π model parameters, the skin effect and the proximity effect are included in the surrogate model to reflect high frequency behavior much more accurately while retaining a simple structure. Y-parameters of the equivalent circuit are derived to extract the frequency-dependent inductance and quality factor representations using the shunt and differential configurations. This study introduces a novel algorithm able to yield model parameter values through iterations converging on the predetermined inductance curve within an error margin of 5%. High-Q and low-Q characteristics of inductors arising from process variations were also captured with the proposed algorithm, along with the failure points of the inductance, the quality factor, and the self-resonance frequency. Variability analysis results demonstrate that the differential configuration is more robust to inductance and quality factor failures, but also that it is more vulnerable to self-resonance frequency failures.

Orijinal dilİngilizce
Makale numarasıe2313
DergiInternational Journal of Numerical Modelling: Electronic Networks, Devices and Fields
Hacim31
Basın numarası5
DOI'lar
Yayın durumuYayınlandı - 1 Eyl 2018

Bibliyografik not

Publisher Copyright:
Copyright © 2017 John Wiley & Sons, Ltd.

Finansman

This work was sponsored by the Istanbul Technical University Department of Scientific Research Projects under the project contract number 39465.

FinansörlerFinansör numarası
Istanbul Technical University Department of Scientific Research Projects39465

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