Analysis and realization of a switched fractional‐order‐capacitor integrator

descriptionPublicationkeyboard_double_arrow_right Article 12 Feb 2016 English Publisher:WileyJournal:International Journal of Circuit Theory and Applications, volume 44, pages 2,035-2,040 (issn: 0098-9886, eissn: 1097-007X,

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Authors: Costas Psychalinos; Ahmed S. Elwakil; Brent Maundy; Anis Allagui;

doi: 10.1002/cta.2197

Analysis and realization of a switched fractional‐order‐capacitor integrator

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Abstract

SummaryUsing fractional calculus, we analyze a classical switched‐capacitor integrator when a fractional‐order capacitor is employed in the feed‐forward path. We show that using of a fractional‐order capacitor, significantly large time constants can be realized with capacitances in the feedback path much smaller in value when compared with a conventional switched‐capacitor integrator. Simulations and experimental results using a commercial super‐capacitor with fractional‐order characteristics confirmed via impedance spectroscopy are provided. Copyright © 2016 John Wiley & Sons, Ltd.

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