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Novel Reconnection-less Reconfigurable Filter Design Based on Unknown Nodal Voltages Method and Its Fractional-Order Counterpart

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Date
2019-06-26
Author
Langhammer, Lukáš
Šotner, Roman
Dvořák, Jan
Jeřábek, Jan
Ushakov, Peter A.
Altmetrics
10.5755/j01.eie.25.3.23673
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Abstract
A novel solution of reconnection-less electronically reconfigurable filter is introduced in the paper. The filter is designed based on unknown nodal voltages method (MUNV) using operational transconductance amplifiers (OTAs) and variable gain amplifier (VGA). The structure can provide all-pass, band-stop, high-pass 2nd order functions, high-pass function of the 1st order and direct transfer from the same topology without requirement of manual reconnection. The proposed structure also offers the electronic control of the pole frequency. Moreover, fractional-order design of the proposed filter is also provided. The behavior is verified by simulations using Cadence IC6 (spectre) software.
Keywords
electronic control, electronic reconfiguration, operational transconductance amplifier, reconfigurable filter, universal filter
Persistent identifier
http://hdl.handle.net/11012/184636
Document type
Peer reviewed
Document version
Postprint
Source
Elektronika Ir Elektrotechnika. 2019, vol. 25, issue 3, p. 34-38.
http://eejournal.ktu.lt/index.php/elt/article/view/23673
DOI
10.5755/j01.eie.25.3.23673
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  • Ústav radioelektroniky [179]
  • Ústav telekomunikací [314]
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