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

Autor: Shibendu Mahata, Norbert Herencsar, David Kubanek, Rajib Kar, Durbadal Mandal, I. Cem Goknar
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: IEEE Access, Vol 9, Pp 129521-129527 (2021)
Druh dokumentu: article
ISSN: 2169-3536
DOI: 10.1109/ACCESS.2021.3114182
Popis: 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 ( $\text {R}^{2} = 0.999968$ ) with the theoretical magnitude-frequency characteristic.
Databáze: Directory of Open Access Journals