The work proposes a synthesis method of capacitive fractional-order impedance element which is composed of homogenous distributed resistive-capacitive (RC) structures (lines). The method employs genetic algorithm and searches for optimal connection schemes and parameters of the partial RC structures. The synthesis algorithm is described in detail including the coding of the properties of the structures for the purpose of the genetic algorithm. The user interface of the design tool is introduced and the input and output parameters of the synthesis are explained. The algorithm was verified by computer simulations and particularly by measurements of element samples fabricated in thick-film technology. The results correspond to the required impedance characteristics, which confirm the validity of the synthesis method.

Faculty of Electrical Engineering and Communication Brno University of Technology Technicka 3082 12 616 00 Brno Czech Republic

Faculty of Instrumentation Engineering Kalashnikov Izhevsk State Technical University Studencheskaya 7 426 069 Izhevsk Russian Federation

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