A Fractional-Order Transitional Butterworth-Butterworth Filter and Its Experimental Validation

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2021 A FractionalOrder Transitional ButterworthButterworth Filter and Its Experimental Validation.pdf(1.56 MB)
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2021-09-20
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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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Keywords
Analog filter approximation, analog signal processing, current feedback operational amplifier, fractional-order filter, transitional filter
Citation
IEEE Access. 2021, vol. 9, issue 1, p. 129521-129527.
https://ieeexplore.ieee.org/document/9541381
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Peer-reviewed
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en
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Creative Commons Attribution 4.0 International
http://creativecommons.org/licenses/by/4.0/
DOI
10.1109/ACCESS.2021.3114182
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http://hdl.handle.net/11012/201676
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