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Fractional-Order Hartley Oscillator 

Agambayev, Agamyrat; Kartci, Aslihan; Hassan, Ali H.; Herencsár, Norbert; Bagci, Hakan; Salama, Khaled Nabil (IEEE, 2018-07-02)
A fractional-order capacitor (FOC) is developed using a Molybdenum disulfide ferroelectric polymer composite. The fabricated FOC exhibits constant phase over five decades between 100 Hz-10 MHz, which is the broadest operating ...
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Analysis and Verification of Identical-Order Mixed Matrix Fractional-Order Capacitor Networks 

Kartci, Aslihan; Agambayev, Agamyrat; Herencsár, Norbert; Salama, Khaled Nabil (IEEE, 2018-07-02)
In the open literature while capacitors are introduced with -90 degrees phase angle, here we described our fabricated polymer composite, mixed matrix, as a fractional-order capacitor (FoC). The effect on phase and ...
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A Novel Pseudo-Differential Integer/Fractional-Order Voltage-Mode All-Pass Filter 

Herencsár, Norbert; Šotner, Roman; Kartci, Aslihan; Vrba, Kamil (IEEE, 2018-05-08)
The paper presents the first- (integer) and fractional-order case studies of a novel pseudo-differential (P-D) voltage-mode all-pass filter (APF) employing a single differential voltage current conveyor (DVCC), one resistor, ...
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Practical Design of Fractional-Order Oscillator Employing Simple Resonator and Negative Resistor 

Šotner, Roman; Jeřábek, Jan; Domanský, Ondřej; Herencsár, Norbert; Kartci, Aslihan; Dvořák, Jan (IEEE, 2018-11-08)
This contribution presents straightforward design of a fractional-order oscillator employing novel simple impedance inverter (implementing differential voltage current conveyor transconductance amplifier as active element) ...
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History, Progress and New Results in Synthetic Passive Element Design Employing CFTAs 

Koton, Jaroslav; Herencsár, Norbert; Venclovský, Martin (International Society for Science and Engineering, 2015-03-31)
After the presentation of the Current Follower Transconductance Amplifier (CFTA) active element, it has found a numerous application possibilities while designing linear and non-linear analog function blocks. This paper ...
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Fractional-Order Oscillator Design Using Unity-Gain Voltage Buffers and OTAs 

Kartci, Aslihan; Herencsár, Norbert; Koton, Jaroslav; Brančík, Lubomír; Vrba, Kamil; Tsirimokou, Georgia; Psychalinos, Costas (IEEE, 2017-08-06)
In this study, a new voltage-mode fractional-order oscillator using two unity-gain voltage buffers, two operational transconductance amplifiers, one resistor, and two capacitors is presented. The design procedure of ...
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Design of the simple oscillator with linear tuning and pi/4 phase shift based on emulator of the modified current differencing unit 

Šotner, Roman; Jeřábek, Jan; Herencsár, Norbert; Vrba, Kamil (The Institute of Electronics, Information and Communication Engineers (IEICE), 2015-10-10)
This paper presents a simple oscillator with 45 degrees phase shift between output signals. A Modified current Differencing Unit (MCDU) was used for its design. The MCDU offers controllability of input resistances ...
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Pseudo-differential filter operating in current mode 

Sládok, Ondřej; Velič, Ladislav; Koton, Jaroslav; Herencsár, Norbert (IEEE, 2018-12-30)
In the paper, the theory of pseudo-differential filters is examined and supported by designing a fourth-order frequency filter operating in current mode and implemented as cascade connection of two basic second-order blocks. ...
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Study of Small-signal Model of Simple CMOS Amplifier with Instability Compensation of Positive Feedback Loop 

Šotner, Roman; Jeřábek, Jan; Herencsár, Norbert; Vrba, Kamil; Lahiri, Abhirup; Dostál, Tomáš (De Gruyter Open, 2015-07-06)
The paper deals with precise analysis of simple AC variable gain CMOS amplifier. The circuit can be used as a simple voltage follower (6 MOS transistors are required) or amplifier. The main attention of this work is focused ...
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Novel first-order all-pass filter applications of z-copy voltage differencing current conveyor 

Šotner, Roman; Herencsár, Norbert; Jeřábek, Jan; Vrba, Kamil; Dostál, Tomáš; Jaikla, Winai; Metin, Bilgin (NISCAIR ONLINE PERIODICALS REPOSITORY (NOPR), 2015-08-05)
The application of z-copy voltage differencing current conveyor (ZC-VDCC) in simple and interesting first-order all-pass sections has been studied in the present paper. The solutions presented here have presumptions for ...
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Herencsár, Norbert (69)
Kartci, Aslihan (24)Koton, Jaroslav (23)Šotner, Roman (23)Vrba, Kamil (18)Jeřábek, Jan (17)Dvořák, Jan (8)Cicekoglu, Oguzhan (7)Metin, Bilgin (7)Lahiri, Abhirup (6)... View MoreSubjectvoltage-mode (14)fractional-order capacitor (13)fractional calculus (8)all-pass filter (7)current-mode (7)fractional-order filter (6)operational transconductance amplifier (6)constant phase element (5)electronic control (5)FoC (5)... View MoreDate Issued2020 - 2021 (15)2010 - 2019 (52)2007 - 2009 (2)

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