A Fractional-Order Transitional Butterworth-Butterworth Filter and Its Experimental Validation
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Date
2021-09-20
Authors
Mahata, Shibendu
Herencsár, Norbert
Kubánek, David
Kar, Rajib
Mandal, Durbadal
Göknar, Izzet Cem
0000-0002-9504-2275Advisor
Referee
Mark
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Publisher
IEEE
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Abstract
This paper introduces the generalization of the classical Transitional Butterworth-Butterworth Filter (TBBF) to the Fractional-Order (FO) domain. Stable rational approximants of the FO-TBBF are optimally realized. Several design examples demonstrate the robustness and modeling efficacy of the proposed method. Practical circuit implementation using the current feedback operational amplifier employed as an active element is presented. Experimental results endorse good agreement (R2= 0.999968) with the theoretical magnitude-frequency characteristic.
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Peer-reviewed
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en