Fractional Order Elliptic Filter Implemented Using Optimization Technique

Soni, Ashu; Gupta, Maneesha

doi:10.1007/978-981-16-1056-1_16

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2023

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“…by optimization [18]- [21] or by curve fitting techniques [22]- [23]. A new technique in designing Butterworth filter depending on pole-placement in the complex w-plane was presented in [24].…”

Section: Introductionmentioning

confidence: 99%

On the Design Flow of the Fractional-Order Analog Filters Between FPAA Implementation and Circuit Realization

et al. 2023

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This work explicitly states the design flows of the fractional-order analog filters that researchers throughout the literature have used. Two main flows are studied: the FPAA implementation and the circuit realization. Partial-fraction expansion representation is used to prepare the approximated fractional-order response for implementation on FPAA. The generalization of the second-order active RC analog filters based on opamp from the integer-order domain to the fractional-order domain is presented. The generalization is studied from both mathematical and circuit realization points of view. It is found that the great benefit of the fractional-order domain is that it adds more degrees of freedom to the filter design process. Simulation and experimental results match the expected theoretical analysis.

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