Title:	Fractional-order high-pass filter with electronically adjustable parameters
Authors:	Jeřábek, Jan Šotner, Roman Dvořák, Jan Langhammer, Lukáš Kotoň, Jaroslav
Citation:	2016 International Conference on Applied Electronics: Pilsen, 6th – 7th September 2016, Czech Republic, p.111-116.
Issue Date:	2016
Publisher:	Západočeská univerzita v Plzni
Document type:	konferenční příspěvek conferenceObject
URI:	http://hdl.handle.net/11025/35201
ISBN:	978–80–261–0601–2 (Print) 978–80–261–0602–9 (Online)
ISSN:	1803–7232 (Print) 1805–9597 (Online)
Keywords:	topologie;pásmové filtry;přenosové funkce;transkonduktance;simulace;útlum;řízení frekvence
Keywords in different language:	topology;band-pass filters;transfer functions;transconductance;simulation;attenuation;frequency control
Abstract in different language:	his paper presents possible solution of fractional-order high-pass filter (FHPF) with electronically adjustable order between 1 and 2 and also with electronically adjustable pole frequency. It is based on well-known Follow-the-Leader Feedback (FLF) topology adjusted for utilization with operational transconductance amplifiers (OTAs) and adjustable current amplifiers (ACAs). This 3rd-order topology is used in order to approximate FHPF response in particular frequency band of interest. Design is supported by Pspice simulations for three particular values of the filter's order (1.25, 1.5, 1.75) and for several values of pole frequency. Moreover, simulation results with two different approximations are compared.
Rights:	© Západočeská univerzita v Plzni
Appears in Collections:	Applied Electronics 2016 Applied Electronics 2016

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