Digital Implementation of Butterworth First–Order Filter Type IIR

Horváth Dušan (), Červeňanská Zuzana () and Kotianová Janette ()
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Horváth Dušan: Slovak University of Technology in Bratislava, Faculty of Material Science and Technology in Trnava, Institute of Applied Informatics, Automation and Mechatronics, Ulica Jána Bottu Č. 2781/25, 917 24Trnava, Slovak Republic
Červeňanská Zuzana: Slovak University of Technology in Bratislava, Faculty of Material Science and Technology in Trnava, Institute of Applied Informatics, Automation and Mechatronics, Ulica Jána Bottu Č. 2781/25, 917 24Trnava, Slovak Republic
Kotianová Janette: Slovak University of Technology in Bratislava, Faculty of Material Science and Technology in Trnava, Institute of Applied Informatics, Automation and Mechatronics, Ulica Jána Bottu Č. 2781/25, 917 24Trnava, Slovak Republic

Research Papers Faculty of Materials Science and Technology Slovak University of Technology, 2019, vol. 27, issue 45, 85-93

Abstract: The paper deals with the solution of the first–order passive filters (low–pass and high–pass) applying electrotechnical elements (resistor, capacitor - analogue filter) and digital Butterworth filter type IIR (Infinite Impulse Response). Procedure of the filters design and implementation is described, and the analogue and digital filter outputs with the same input signal are compared. The designed filters have already served for education purposes with the intention to bring an explanation of techniques for designing required functionality of the signal processing filters.

Keywords: Passive filter; resistor; capacitor; digital filter type IIR (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:vrs:repfms:v:27:y:2019:i:45:p:85-93:n:12

DOI: 10.2478/rput-2019-0030

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