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LANGHAMMER, L. DVOŘÁK, J. ŠOTNER, R. JEŘÁBEK, J.
Originální název
Electronically Tunable Fully-Differential Fractional-Order Low-Pass Filter
Typ
článek v časopise ve Web of Science, Jimp
Jazyk
angličtina
Originální abstrakt
The paper presents proposal of a fully- differential (1 + α)-order low-pass filter. The order of the filter and its cut-off frequency can be controlled electronically. The filter is proposed using operational transconductance amplifiers (OTAs), adjustable current amplifiers (ACAs) and fully-differential current follower (FD-CF). The circuit structure is based on well-known Inverse Follow-the-Leader Feedback (IFLF) topology. Design correctness of the proposed filter is supported by PSpice simulations with transistor-level simulation models. The ability of the electronic control of the order has been tested for five individual values of parameter α. Furthermore, the ability of the electronic control of the cut-off frequency of the filter has been also tested for five different values. Additionally, the simulation results of the proposed fully-differential (F-D) filter are compared with the results of the single-ended (S-E) equivalent of the presented filter.
Klíčová slova
Active filter; fractional-order; frequency control; low-pass filter
Autoři
LANGHAMMER, L.; DVOŘÁK, J.; ŠOTNER, R.; JEŘÁBEK, J.
Vydáno
16. 6. 2017
Nakladatel
Kaunas University of Technology
Místo
Kaunas, Litva
ISSN
1392-1215
Periodikum
Elektronika Ir Elektrotechnika
Ročník
23
Číslo
3
Stát
Litevská republika
Strany od
47
Strany do
54
Strany počet
8
URL
https://eejournal.ktu.lt/index.php/elt/article/view/18332
Plný text v Digitální knihovně
http://hdl.handle.net/11012/201698
BibTex
@article{BUT137100, author="Lukáš {Langhammer} and Jan {Dvořák} and Roman {Šotner} and Jan {Jeřábek}", title="Electronically Tunable Fully-Differential Fractional-Order Low-Pass Filter", journal="Elektronika Ir Elektrotechnika", year="2017", volume="23", number="3", pages="47--54", doi="10.5755/j01.eie.23.3.18332", issn="1392-1215", url="https://eejournal.ktu.lt/index.php/elt/article/view/18332" }