Detail publikace

Fractional-Order Low-Pass Filter with Electronic Tunability of Its Order and Pole Frequency

LANGHAMMER, L. DVOŘÁK, J. JEŘÁBEK, J. KOTON, J. ŠOTNER, R.

Originální název

Fractional-Order Low-Pass Filter with Electronic Tunability of Its Order and Pole Frequency

Typ

článek v časopise ve Web of Science, Jimp

Jazyk

angličtina

Originální abstrakt

This paper presents novel solution of a fractional-order low-pass filter (FLPF). The proposed filter operates in the current mode and it is designed using third-order inverse follow-the-leader feedback topology and operational transconductance amplifiers (OTAs), adjustable current amplifiers (ACAs), auxiliary multiple-output current follower (MO-CF) as simple active elements. The filter offers the beneficial ability of the electronic control of its order and also the pole frequency thanks to electronically controlled internal parameters of OTAs and ACAs. As an example, five particular values of fractional order of the FLPF were chosen and parameters of the filter were calculated. Similarly, also electronic control of the pole frequency of the filter was studied. The design correctness and proper function of the filter are supported by simulations with CMOS models and also by experimental laboratory measurements. Comparison of the simulation results of the proposed filter for two different approximations of the parameter sa is also included.

Klíčová slova

adjustable current amplifier; current mode; electronically tunable; fractional-order; FLPF; low-pass filter; operational transconductance amplifier

Autoři

LANGHAMMER, L.; DVOŘÁK, J.; JEŘÁBEK, J.; KOTON, J.; ŠOTNER, R.

Vydáno

27. 2. 2018

Nakladatel

FEI STU Bratislava

Místo

Bratislava

ISSN

1335-3632

Periodikum

Journal of Electrical Engineering

Ročník

69

Číslo

1

Stát

Slovenská republika

Strany od

3

Strany do

13

Strany počet

11

URL

https://content.sciendo.com/view/journals/jee/69/1/article-p3.xml

Plný text v Digitální knihovně

http://hdl.handle.net/11012/83823

BibTex

@article{BUT141997,
  author="Lukáš {Langhammer} and Jan {Dvořák} and Jan {Jeřábek} and Jaroslav {Koton} and Roman {Šotner}",
  title="Fractional-Order Low-Pass Filter with Electronic Tunability of Its Order and Pole Frequency",
  journal="Journal of Electrical Engineering
",
  year="2018",
  volume="69",
  number="1",
  pages="3--13",
  doi="10.1515/jee-2018-0001",
  issn="1335-3632",
  url="https://content.sciendo.com/view/journals/jee/69/1/article-p3.xml"
}