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Direct Interconnection of Ports in Modern Functional Blocks Based on Current Conveyor and CCTA for Circuit Design 

Dostál, Tomáš; Šotner, Roman (Kaunas University of Technology, 2013-11-12)
The paper deals with modern functional blocks based on current conveyors and their utilization in analogue signal processing. Multi-port elements with directly interconnected ports (terminals) are the main topic of our ...
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Novel Reconnection-less Reconfigurable Filter Design Based on Unknown Nodal Voltages Method and Its Fractional-Order Counterpart 

Langhammer, Lukáš; Šotner, Roman; Dvořák, Jan; Jeřábek, Jan; Ushakov, Peter A. (Kaunas University of Technology, 2019-06-26)
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 ...
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Reconnection–less Reconfigurable Fractional–Order Current–Mode Integrator Design with Simple Control 

Langhammer, Lukáš; Šotner, Roman; Dvořák, Jan; Jeřábek, Jan; Andriukaitis, Darius (IEEE, 2021-10-01)
A design of a fractional-order (FO) integrator is introduced for operation of resulting solution in the current mode (CM). The solution of the integrator is based on the utilization of RC structures, but in comparison to ...
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Third-Order Reconnection-less Electronically Reconfigurable Multifunctional Filter 

Langhammer, Lukáš; Šotner, Roman (IEEE, 2020-10-15)
This paper introduces a third-order reconnection-less electronically reconfigurable filter constructed of operational transconductance amplifiers (OTAs) and a current amplifier with individual gain control of its outputs. ...
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Electronically Tunable Fully-Differential Fractional-Order Low-Pass Filter 

Langhammer, Lukáš; Dvořák, Jan; Šotner, Roman; Jeřábek, Jan (Kaunas University of Technology, 2017-06-16)
The paper presents proposal of a fully- differential (1 + )-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 ...
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Methods for Extension of Tunability Range in Synthetic Inductance Simulators 

Šotner, Roman; Jeřábek, Jan; Herencsár, Norbert; Langhammer, Lukáš; Petržela, Jiří; Dostál, Tomáš (Kaunas University of Technolgy, 2018-06-26)
Presented work focuses on methods for the extended electronic control in the designs of inductance simulators based on single-loop feedback topology. Implementation is based on diamond transistors as voltage-tocurrent ...
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Pseudo-Differential Filter Design Using Novel Adjustable Floating Inductance Simulator with Electronically Controllable Current Conveyors 

Šotner, Roman; Herencsár, Norbert; Jeřábek, Jan; Kartci, Aslihan; Koton, Jaroslav; Dostál, Tomáš (Kaunas University of Technology, 2017-04-27)
This paper presents new floating inductance simulator based on three electronically controllable current conveyors (ECCIIs) and differential voltage buffer (DVB). The inductance simulator offers simple electronic control ...
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Dual-Mode Multifunctional Reconnection-less Reconfigurable Filter 

Langhammer, Lukáš; Šotner, Roman; Dvořák, Jan; Dostál, Tomáš (Kaunas University of Technology, 2020-06-29)
A novel solution of a reconnection-less reconfigurable filter is being presented. The filter works in the current mode, voltage mode and mixed mode (voltage to current) offering sixteen transfer functions in total. The ...
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Fully-Differential Multifunctional Electronically Configurable Fractional-Order Filter with Electronically Adjustable Parameters 

Langhammer, Lukáš; Šotner, Roman; Dvořák, Jan; Dostál, Tomáš (Kaunas University of Technology, 2018-10-15)
The paper presents a novel solution of a fully-differential 1+ fractional-order filter. The filter can provide low-pass, high-pass, band-pass and band-stop transfer functions without a necessity of a circuitry change (filter ...
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New Compact VM Four-Phase Oscillator Employing Only Single Z-Copy VDTA And All Grounded Passive Elements 

Herencsár, Norbert; Šotner, Roman; Koton, Jaroslav; Mišurec, Jiří; Vrba, Kamil (Kaunas University of Technology, 2013-12-16)
In this paper, a new compact voltage-mode four-phase oscillator employing single z-copy voltage differencing transconductance amplifier (ZC-VDTA) and only grounded passive elements is introduced. The use of only grounded ...
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Šotner, Roman (84)
Jeřábek, Jan (59)Herencsár, Norbert (31)Langhammer, Lukáš (30)Dostál, Tomáš (22)Petržela, Jiří (20)Vrba, Kamil (20)Dvořák, Jan (16)Polák, Ladislav (13)Kartci, Aslihan (11)... View MoreSubjectelectronic control (23)elektronické řízení (11)Electronic control (9)fractional-order (8)operational transconductance amplifier (8)frequency filter (7)oscillator (7)Constant phase element (6)Elektronické řízení (6)voltage differencing current conveyor (6)... View MoreDate Issued2020 - 2022 (28)2010 - 2019 (54)2009 - 2009 (2)

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