Lukas Langhammer

40 papers C 4Journal 12Unranked 24

Year	Rank	Type	Title / Venue / Authors
2025	J	`jnl`	Systematic Approach to the Design of Reconnection-Less Reconfigurable Filters Using the Method of Unknown Nodal Voltages. IEEE Access Lukas Langhammer, Roman Sotner
2024	J	`jnl`	1 V Electronically Tunable Differential Difference Current Conveyors Using Multiple-Input Operational Transconductance Amplifiers. Sensors Montree Kumngern, Fabian Khateb, Tomasz Kulej, Lukas Langhammer
2024	J	`jnl`	Comparison of Analytical and Algorithm-Based Design of Two-Port Using Two Bilinear Sections. IEEE Access Dmitrii Semenov, Roman Sotner, Ladislav Polak, Jan Jerabek, Jiri Petrzela, Lukas Langhammer
2023	J	`jnl`	Reconnection-Less Reconfigurable Filter Based on Method of Unknown Nodal Voltages Using 4×4 Matrix. IEEE Access Lukas Langhammer, Roman Sotner
2023	J	`jnl`	Various-Order Low-Pass Filter with the Electronic Change of Its Approximation. Sensors Lukas Langhammer, Roman Sotner, Radek Theumer
2022	J	`jnl`	Electronic Tunability and Cancellation of Serial Losses in Wire Coils. Sensors Roman Sotner, Jan Jerabek, Ladislav Polak, Radek Theumer, Lukas Langhammer
2021	J	`jnl`	Electronically Reconfigurable and Tunable Fractional-Order Filter Using Resonator Concept and Feedforward Path for Low-Frequency Tone Signalization. IEEE Access Ondrej Domansky, Roman Sotner, Lukas Langhammer, Ladislav Polak
2021	J	`jnl`	Reconnection-less Reconfigurable Fractional-Order Current-Mode Integrator Design With Simple Control. IEEE Access Lukas Langhammer, Roman Sotner, Jan Dvorak, Jan Jerabek, Darius Andriukaitis
2021	—	`conf`	Voltage Tunable Building Blocks Using Compact Active Device in Design of Filtering Applications. RADIOELEKTRONIKA Roman Sotner, Jiri Petrzela, Lukas Langhammer
2020	—	`conf`	Comparison of Simple Design Methods for Voltage Controllable Resistance. RADIOELEKTRONIKA Roman Sotner, Ondrej Domansky, Lukas Langhammer, Jiri Petrzela
2020	—	`conf`	Conversion of a MISO Filter into its Reconnection-less Reconfigurable Form with Complex Active elements. RADIOELEKTRONIKA Lukas Langhammer, Roman Sotner
2020	—	`conf`	Current-Mode Fractional-Order Electronically Controllable Integrator Design. ICECS Lukas Langhammer, Roman Sotner, Jan Dvorak, Ondrej Sladok, Jan Jerabek, Panagiotis Bertsias
2020	—	`conf`	Design of Building Blocks for Fractional-Order Applications with Single and Compact Active Device. TSP Roman Sotner, Jan Jerabek, Lukas Langhammer, Jaroslav Koton, Josef Polak, Darius Andriukaitis, Algimantas Valinevicius
2020	—	`conf`	Design of Electronically Adjustable Fractional Order Immittances Using Single Active Device. TSP Roman Sotner, Jan Jerabek, Lukas Langhammer, Jaroslav Koton, Darius Andriukaitis, Audrius Merfeldas
2020	—	`conf`	Practical Design of Fractional-Order Resonator for Application in the Multiphase Oscillator. ICECS Roman Sotner, Jan Jerabek, Lukas Langhammer, Aslihan Kartci, Norbert Herencsar, Bilgin Metin
2020	C	`conf`	Third-Order Reconnection-Less Electronically Reconfigurable Multifunctional Filter. ISCAS Lukas Langhammer, Roman Sotner
2020	—	`conf`	Tunable Fractional-Order Capacitance Multiplier Using Current Gain Adjustment. ICECS Roman Sotner, Jan Jerabek, Lukas Langhammer
2019	C	`conf`	Electronically Controllable Audio Equalizers Based on Bilinear Immittances Utilizing CMOS Voltage Differencing Current Conveyor. ISCAS Roman Sotner, Jan Jerabek, Serdar Özoguz, David Kubánek, Lukas Langhammer
2019	—	`conf`	Electronically Tunable Oscillator Utilizing Reinforced Controllable Parameters. ICUMT Lukas Langhammer, Roman Sotner, Ondrej Domansky
2019	—	`conf`	Fractional-Order Asymptotical Phase Shifter with Flat Magnitude Response. NEWCAS Roman Sotner, Lukas Langhammer, Jan Jerabek, Tomás Dostál
2019	—	`conf`	Frequency Corrector Using Voltage Differencing Current Conveyor Transconductance Amplifiers. ICECS Roman Sotner, Jiri Petrzela, Jan Jerabek, Lukas Langhammer
2019	—	`conf`	Novel Design Solution of Reconnection-less Electronically Reconfigurable Filter. MIXDES Lukas Langhammer, Roman Sotner, Jan Dvorak, Tomás Dostál
2019	—	`conf`	Novel Electronically Reconfigurable Filter and Its Fractional-Order Counterpart. ICECS Lukas Langhammer, Roman Sotner, Jan Dvorak, Jan Jerabek, Peter A. Ushakov
2019	J	`jnl`	Practical Design of RC Approximants of Constant Phase Elements and Their Implementation in Fractional-Order PID Regulators Using CMOS Voltage Differencing Current Conveyors. Circuits Syst. Signal Process. Ondrej Domansky, Roman Sotner, Lukas Langhammer, Jan Jerabek, Costas Psychalinos, Georgia Tsirimokou
2019	—	`conf`	Voltage Differencing Current Conveyor Differential Input Transconductance Amplifier: Novel Active Element and Its Resistorless Filtering Application. ICUMT Roman Sotner, Jan Jerabek, Lukas Langhammer, Jiri Petrzela, Winai Jaikla, Sunti Tuntrakool
2018	—	`conf`	Design of Fully-Differential Frequency Filter with Fractional-Order Elements. TSP Jan Dvorak, Jan Jerabek, Lukas Langhammer, Stavroula Kapoulea, Costas Psychalinos
2018	C	`conf`	Fully-Differential Universal Frequency Filter with Dual-Parameter Control of the Pole Frequency and Quality Factor. ISCAS Lukas Langhammer, Roman Sotner, Jan Dvorak, Jan Jerabek, Miroslav Zapletal
2018	—	`conf`	Modification of Current Follower/Amplifier with Controllable Intrinsic Resistance. TSP Lukas Langhammer, Roman Sotner, Jan Dvorak
2018	—	`conf`	New Reconfigurable Universal SISO Biquad Filter Implemented by Advanced CMOS Active Elements. SMACD Roman Sotner, Lukas Langhammer, Ondrej Domansky, Jiri Petrzela, Jan Jerabek, Tomás Dostál
2018	C	`conf`	Non-Integer-Order Low-Pass Filter with Electronically Controllable Parameters. ISCAS Jan Dvorak, Zuzana Polesakova, Jan Jerabek, Lukas Langhammer, Aslihan Kartci, Jaroslav Koton
2018	—	`conf`	On Advanced Current Conveyor Applications Having Capacitor Connected to Current Input Terminal. MIXDES Roman Sotner, Jiri Petrzela, Jan Jerabek, Lukas Langhammer, Tomás Dostál
2018	—	`conf`	Reconfigurable Impedance Converter for Synthesis of Integer and Fractional-Order Synthetic Elements. TSP Ondrej Domansky, Roman Sotner, Lukas Langhammer
2018	—	`conf`	Reconnection-less Reconfigurable Filter and its Application into Adaptive Circuit. TSP Roman Sotner, Jan Jerabek, Jiri Petrzela, Lukas Langhammer, Ondrej Domansky, Winai Jaikla, Tomás Dostál
2018	J	`jnl`	Synthesis and Analysis of Electronically Adjustable Fractional-Order Low-Pass Filter. J. Circuits Syst. Comput. Jan Dvorak, Lukas Langhammer, Jan Jerabek, Jaroslav Koton, Roman Sotner, Josef Polak
2017	—	`conf`	A 1+α Low-Pass Fractional-Order Frequency Filter with Adjustable Parameters. TSP Lukas Langhammer, Roman Sotner, Jan Dvorak, Ondrej Domansky, Jan Jerabek, Jiri Uher
2017	J	`jnl`	Resistor-Less Single-Purpose or Reconfigurable Biquads Utilizing Single J. Circuits Syst. Comput. Jan Jerabek, Roman Sotner, Josef Polak, Lukas Langhammer, Norbert Herencsar, Roman Prokop, Kamil Vrba
2017	—	`conf`	Single active parameter tunable simple band-pass filter: Methods for tunability range extension. MIXDES Roman Sotner, Jiri Petrzela, Ondrej Domansky, Lukas Langhammer, Tomás Dostál
2016	—	`conf`	Electronically tunable fractional-order low-pass filter with current followers. TSP Jan Dvorak, Lukas Langhammer, Jan Jerabek, Jaroslav Koton, Roman Sotner, Josef Polak
2016	—	`conf`	Fractional-order low-pass filter with electronically adjustable parameters. TSP Jan Jerabek, Roman Sotner, David Kubánek, Jan Dvorak, Lukas Langhammer, Norbert Herencsar, Kamil Vrba
2015	J	`jnl`	Comparison of Two Solutions of Quadrature Oscillators With Linear Control of Frequency of Oscillation Employing Modern Commercially Available Devices. Circuits Syst. Signal Process. Roman Sotner, Jan Jerabek, Lukas Langhammer, Josef Polak, Norbert Herencsar, Roman Prokop, Jiri Petrzela, Winai Jaikla