[HTML][HTML] Reconnection–less reconfigurable low–pass filtering topology suitable for higher–order fractional–order design

L Langhammer, J Dvorak, R Sotner, J Jerabek… - Journal of advanced …, 2020 - Elsevier
The paper discusses a new design of a current–mode reconnection–less reconfigurable
fractional–order (FO) low–pass filter of various orders. The filtering structure is based on a …

Reconfigurable fractional-order filter with electronically controllable slope of attenuation, pole frequency and type of approximation

J Jerabek, R Sotner, J Dvorak, J Polak… - Journal of Circuits …, 2017 - World Scientific
This paper presents design of electronically reconfigurable fractional-order filter that is able
to be configured to operate as fractional-order low-pass filter (FLPF) or fractional-order high …

CFOA based low pass and high pass fractional step filter realizations

R Verma, N Pandey, R Pandey - AEU-International Journal of Electronics …, 2019 - Elsevier
This contribution puts forward a new proposal for Current Feedback Operational Amplifier
(CFOA) based Low pass (LP) and High Pass (HP) Fractional Step Filters (FSFs). The …

Accurate constant phase elements dedicated for audio signal processing

J Petrzela - Applied Sciences, 2019 - mdpi.com
Featured Application The proposed constant phase elements are very accurate over audio
frequency bandwidth and can be directly utilized in popular and emerging research …

Electronically tunable fractional order filter

R Verma, N Pandey, R Pandey - Arabian Journal for Science and …, 2017 - Springer
In this paper, an electronically tunable resistorless fractional order filter (FOF) based on
operational transconductance amplifier (OTA) is presented. It uses two fractional capacitors …

Synthesis and analysis of electronically adjustable fractional-order low-pass filter

J Dvorak, L Langhammer, J Jerabek… - Journal of Circuits …, 2018 - World Scientific
A proposal of a fractional (1+ α)-order low-pass filter is presented in this paper. The
proposed filter operates in the current-mode and it is designed using Multi-Output Current …

Analysis and investigation of CDBA based fractional-order filters

G Kaur, AQ Ansari, MS Hashmi - Analog Integrated Circuits and Signal …, 2020 - Springer
In this work, a new design of continuous time current differencing buffered amplifier based
low-pass, high-pass, band-pass, all-pass and notch fractional-order filters is reported. The …

Electronically tunable multifunction transadmittance-mode fractional-order filter

G Varshney, N Pandey, R Pandey - Arabian Journal for Science and …, 2021 - Springer
In this paper a multifunction transadmittance-mode fractional-order filter is proposed for the
very first time. The proposed structure provides fractional-order low-pass filter, fractional …

Fractional-order low-and high-pass filters using UVCs

J Koton, D Kubanek, O Sladok, K Vrba… - Journal of Circuits …, 2017 - World Scientific
In this paper, the application of universal voltage conveyors in the design of fractional-order
frequency filters is presented. Using the continued fraction expansion approach, circuit …

Realization of a higher fractional order element based on novel OTA based IIMC and its application in filter

R Verma, N Pandey, R Pandey - Analog Integrated Circuits and Signal …, 2018 - Springer
This paper presents higher order fractional element using the concept of impedance inverter
circuit based on operational transcoductance amplifier (OTA). Firstly the concept of OTA …