Ing.

Lukáš Langhammer

Ph.D.

FEKT, UTKO

langhammer@feec.vutbr.cz

Odeslat VUT zprávu

Ing. Lukáš Langhammer, Ph.D.

Publikace

  • 2019

    ŠOTNER, R.; JEŘÁBEK, J.; ÖZOĞUZ, S.; KUBÁNEK, D.; LANGHAMMER, L. Electronically Controllable Audio Equalizers Based on Bilinear Immittances Utilizing CMOS Voltage Differencing Current Conveyor. In Proceedings of the 2019 IEEE International Symposium on Circuits and Systems (ISCAS). Sapporo, Japan: IEEE, 2019. s. 1-5. ISBN: 978-1-7281-0397-6.
    Detail

    ŠOTNER, R.; JEŘÁBEK, J.; LANGHAMMER, L.; POLÁK, L.; JAIKLA, W.; PROMMEE, P. Operational Frequency Bandwidth Rescalable Implementations of Constant Phase Devices. In Proceedings of the 2019 29th International Conference Radioelektronika (RADIOELEKTRONIKA). Pardubice, Czech Republic: IEEE, 2019. s. 1-6. ISBN: 978-1-5386-9322-3.
    Detail

    ŠOTNER, R.; LANGHAMMER, L.; JEŘÁBEK, J.; USHAKOV, P.; DOSTÁL, T. Fractional-Order Phase Shifters with Constant Magnitude Frequency Responses. Elektronika Ir Elektrotechnika, 2019, roč. 25, č. 5, s. 25-30. ISSN: 1392-1215.
    Detail | WWW

    LANGHAMMER, L.; ŠOTNER, R.; DOSTÁL, T. New Solution of a Frequency Filter with Reconnection-less Reconfiguration of Its Transfer. In Proceedings of 29th International Conference Radioelektronika 2019. Pardubice: IEEE, 2019. s. 1-4. ISBN: 978-1-5386-9321-6.
    Detail

    LANGHAMMER, L.; ŠOTNER, R.; DVOŘÁK, J.; JEŘÁBEK, J.; USHAKOV, P. Novel Reconnection-less Reconfigurable Filter Design Based on Unknown Nodal Voltages Method and Its Fractional-Order Counterpart. Elektronika Ir Elektrotechnika, 2019, roč. 25, č. 3, s. 34-38. ISSN: 1392-1215.
    Detail

    DOMANSKÝ, O.; ŠOTNER, R.; LANGHAMMER, L.; JEŘÁBEK, J.; PSYCHALINOS, C.; TSIRIMOKOU, G. Practical Design of RC Approximants of Constant Phase Elements and Their Implementation in Fractional-Order PID Regulators Using CMOS Voltage Differencing Current Conveyors. CIRCUITS SYSTEMS AND SIGNAL PROCESSING, 2019, roč. 38, č. 4, s. 1520-1546. ISSN: 0278-081X.
    Detail | WWW

  • 2018

    ŠOTNER, R.; JEŘÁBEK, J.; LANGHAMMER, L.; DVOŘÁK, J. Design and Analysis of CCII-Based Oscillator with Amplitude Stabilization Employing Optocouplers for Linear Voltage Control of the Output Frequency. Electronics (MDPI), 2018, roč. 7, č. 9, s. 1-20. ISSN: 2079-9292.
    Detail | WWW | Plný text v Digitální knihovně

    ŠOTNER, R.; LANGHAMMER, L.; DOMANSKÝ, O.; PETRŽELA, J.; JEŘÁBEK, J.; DOSTÁL, T. New Reconfigurable Universal SISO Biquad Filter Implemented by Advanced CMOS Active Elements. In Proceedings of the 2018 15th International Conference on Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design (SMACD). Prague, Czech Republic: IEEE, 2018. s. 257-260. ISBN: 978-1-5386-5153-7.
    Detail

    LANGHAMMER, L.; ŠOTNER, R.; DOMANSKÝ, O.; HRICKO, T. Electronically Reconfigurable Universal Filter Based on VDTAs. In Proceedings of 28th International Conference Radioelektronika 2018. Praha: IEEE, 2018. s. 1-4. ISBN: 978-1-5386-2485-2.
    Detail | WWW | Plný text v Digitální knihovně

    LANGHAMMER, L.; ŠOTNER, R.; DVOŘÁK, J.; JEŘÁBEK, J.; ZAPLETAL, M. Fully-Differential Universal Frequency Filter with Dual-Parameter Control of the Pole Frequency and Quality Factor. In 2018 IEEE International Symposium on Circuits and Systems (ISCAS). IEEE, 2018. s. 1-5. ISBN: 978-1-5386-4881-0.
    Detail | WWW | Plný text v Digitální knihovně

    DVOŘÁK, J.; JEŘÁBEK, J.; LANGHAMMER, L.; KAPOULEA, S.; PSYCHALINOS, C. Design of Fully-Differential Frequency Filter with Fractional-Order Elements. In Proceedings of IEEE 2018 41st International Conference on Telecommunications and Signal Processing (TSP2018). International Conference on Telecommunications and Signal Processing (TSP). Atény, Řecko: 2018. s. 360-366. ISBN: 978-1-5386-4695-3. ISSN: 1805-5435.
    Detail

    DVOŘÁK, J.; POLEŠÁKOVÁ, Z.; JEŘÁBEK, J.; LANGHAMMER, L.; KARTCI, A.; KOTON, J. Non-Integer-Order Low-Pass Filter with Electronically Controllable Parameters. In 2018 IEEE International Symposium on Circuits and Systems (ISCAS). Itálie-Florencie: 2018. s. 1-5. ISBN: 978-1-5386-4881-0.
    Detail

    LANGHAMMER, L.; DVOŘÁK, J.; JEŘÁBEK, J.; KOTON, J.; ŠOTNER, R. Fractional-Order Low-Pass Filter with Electronic Tunability of Its Order and Pole Frequency. Journal of Electrical Engineering, 2018, roč. 69, č. 1, s. 3-13. ISSN: 1335-3632.
    Detail | WWW | Plný text v Digitální knihovně

    ŠOTNER, R.; POLÁK, L.; PETRŽELA, J.; LANGHAMMER, L. Practical design of the voltage controllable quadrature oscillator for operation in MHz bands employing new behavioral model of variable-voltage-gain current conveyor of second generation. Journal of Computational Electronics, 2018, roč. 17, č. 4, s. 1685-1694. ISSN: 1569-8025.
    Detail | WWW

    ŠOTNER, R.; JEŘÁBEK, J.; HERENCSÁR, N.; LANGHAMMER, L.; PETRŽELA, J.; DOSTÁL, T. Methods for Extension of Tunability Range in Synthetic Inductance Simulators. Elektronika Ir Elektrotechnika, 2018, roč. 24, č. 3, s. 41-45. ISSN: 1392-1215.
    Detail | WWW

    LANGHAMMER, L.; ŠOTNER, R.; DVOŘÁK, J. Modification of Current Follower/Amplifier with Controllable Intrinsic Resistance. In Proceedings of IEEE 2018 41st International Conference on Telecommunications and Signal Processing (TSP2018). 2018. s. 70-73. ISBN: 978-1-5386-4695-3.
    Detail

    ŠOTNER, R.; PETRŽELA, J.; JEŘÁBEK, J.; LANGHAMMER, L.; DOSTÁL, T. On Advanced Current Conveyor Applications Having Capacitor Connected to Current Input Terminal. In Proceedings of the 25th International Conference “Mixed Design of Integrated Circuits and Systems”. Gdynia, Poland: Department of Microelectronics and Computer Science, Lodz University of Technology, Poland, 2018. s. 285-290. ISBN: 978-83-63578-13-8.
    Detail

    ŠOTNER, R.; JEŘÁBEK, J.; PETRŽELA, J.; LANGHAMMER, L.; DOMANSKÝ, O.; JAIKLA, W.; DOSTÁL, T. Reconnection-less Reconfigurable Filter and its Application into Adaptive Circuit. In Proceedings of the IEEE 2018 41st International Conference on Telecommunications and Signal Processing (TSP2018). Athens, Greece: IEEE, 2018. s. 192-197. ISBN: 978-1-5386-4695-3.
    Detail

    DVOŘÁK, J.; LANGHAMMER, L.; JEŘÁBEK, J.; KOTON, J.; ŠOTNER, R.; POLÁK, J. Synthesis and Analysis of Electronically Adjustable Fractional-Order Low-Pass Filter. JOURNAL OF CIRCUITS SYSTEMS AND COMPUTERS, 2018, roč. 27, č. 2, s. 1850032-1 (1850032-18 s.)ISSN: 0218-1266.
    Detail

    ŠOTNER, R.; LANGHAMMER, L.; PETRŽELA, J.; DOMANSKÝ, O.; DOSTÁL, T. Applications of novel behavioral implementation of a controllable generalized current conveyor. In Proceedings of the 28th International Conference Radioelektronika 2018. Prague, Czech Republic: IEEE, 2018. s. 1-6. ISBN: 978-1-5386-2485-2.
    Detail | WWW | Plný text v Digitální knihovně

    DOMANSKÝ, O.; ŠOTNER, R.; LANGHAMMER, L. Reconfigurable Impedance Converter for Synthesis of Integer and Fractional-Order Synthetic Elements. In Proceedings of IEEE 2018 41st International Conference on Telecommunications and Signal Processing (TSP2018). Athens, Greece: 2018. s. 367-371. ISBN: 978-1-5386-4695-3.
    Detail | WWW

    LANGHAMMER, L.; ŠOTNER, R.; DVOŘÁK, J.; DOSTÁL, T. Fully-Differential Multifunctional Electronically Configurable Fractional-Order Filter with Electronically Adjustable Parameters. Elektronika Ir Elektrotechnika, 2018, roč. 24, č. 5, s. 42-45. ISSN: 1392-1215.
    Detail

  • 2017

    ŠOTNER, R.; PETRŽELA, J.; DOMANSKÝ, O.; LANGHAMMER, L.; DOSTÁL, T. Single Active Parameter Tunable Simple Band-Pass Filter: Methods for Tunability Range Extension. In Proceedings of the 24th International Conference “Mixed Design of Integrated Circuits and Systems”. Bydgoszcz, Poland: Dept. of Microelectronics and Computer Science, Lodz University of Technology, Poland, 2017. s. 318-323. ISBN: 978-83-63578-11-4.
    Detail

    LANGHAMMER, L.; DVOŘÁK, J.; ŠOTNER, R.; JEŘÁBEK, J. Electronically Tunable Fully-Differential Fractional-Order Low-Pass Filter. Elektronika Ir Elektrotechnika, 2017, roč. 23, č. 3, s. 47-54. ISSN: 1392-1215.
    Detail

    LANGHAMMER, L.; ŠOTNER, R.; DVOŘÁK, J.; DOMANSKÝ, O.; JEŘÁBEK, J.; UHER, J. A 1+α Low-Pass Fractional-Order Frequency Filter with Adjustable Parameters. In Proceedings of 2017 40th International Conference on Telecommunications and Signal Processing (TSP). 2017. s. 724-729. ISBN: 978-1-5090-3981-4.
    Detail

    LANGHAMMER, L.; DOMANSKÝ, O. DESIGN METHOD BASED ON MODIFICATION OF THE TRANSFORMATION OF HORIZONTAL STRUCTURES IN, CURRENT- MODE FREQUENCY FILTERS. Proceedings of the 23nd Conference STUDENT EEICT 2017. Brno: Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních, 2017. s. 370-374. ISBN: 978-80-214-5496- 5.
    Detail

    ŠOTNER, R.; PETRŽELA, J.; JEŘÁBEK, J.; DOMANSKÝ, O.; LANGHAMMER, L.; DOSTÁL, T. Special Electronically Reconfigurable Lossy/ Lossless Integrator in Application of Functional Generator. In Proceedings of 27th International Conference Radioelektronika 2017. Czech Republic, Brno: IEEE, 2017. s. 1-5. ISBN: 978-1-5090-4591- 4.
    Detail

    LANGHAMMER, L.; ŠOTNER, R.; DVOŘÁK, J.; JEŘÁBEK, J.; POLÁK, J. Fully-Differential Tunable Fractional-Order Filter with Current Followers and Current Amplifiers. In Proceedings of 27th International Conference Radioelektronika 2017. Brno: IEEE, 2017. s. 1-6. ISBN: 978-1-5090-4591-4.
    Detail

    DOMANSKÝ, O.; ŠOTNER, R.; PETRŽELA, J.; LANGHAMMER, L.; DOSTÁL, T. Higher Order Differentiator Block for Synthesis of Controllable Frequency Dependent Elements. In Proceedings of 27th International Conference Radioelektronika 2017. Czech Republic, Brno: IEEE, 2017. s. 1-5. ISBN: 978-1-5090-4591- 4.
    Detail

    ŠOTNER, R.; HERENCSÁR, N.; JEŘÁBEK, J.; LANGHAMMER, L.; POLÁK, J. On practical construction of electronically controllable compact current amplifier based on commercially available elements and its application. AEU - International Journal of Electronics and Communications, 2017, roč. 81, č. 11/ 2017, s. 56-66. ISSN: 1434-8411.
    Detail | WWW

    JEŘÁBEK, J.; ŠOTNER, R.; POLÁK, J.; LANGHAMMER, L.; HERENCSÁR, N.; PROKOP, R.; VRBA, K. Resistor-less Single-purpose or Reconfigurable Biquads Utilizing Single Z-Copy Controlled- Gain Voltage Differencing Current Conveyor. JOURNAL OF CIRCUITS SYSTEMS AND COMPUTERS, 2017, roč. 26, č. 3, s. 1-21. ISSN: 1793-6454.
    Detail | WWW | Plný text v Digitální knihovně

  • 2016

    JEŘÁBEK, J.; ŠOTNER, R.; KUBÁNEK, D.; DVOŘÁK, J.; LANGHAMMER, L.; HERENCSÁR, N.; VRBA, K. Fractional-Order Low- Pass Filter with Electronically Adjustable Parameters. In Proceedings of 2016 39th International Conference on Telecommunications and Signal Processing (TSP). 2016. s. 569-574. ISBN: 978-1-5090-1287- 9.
    Detail

    POLÁK, J.; JEŘÁBEK, J.; LANGHAMMER, L. Automated Measuring System Used to Measure Input, and Output Impedances of Current Amplifiers. In Sborník příspěvků studentské konference Blansko 2016. Brno: Vysoké učení technické v Brně, 2016. s. 74-77. ISBN: 978-80-214-5389- 0.
    Detail

    LANGHAMMER, L.; JEŘÁBEK, J.; POLÁK, J.; ŠOTNER, R.; ŠTORK, P. Tunable fully- differential filter employing MOTA and DACA elements. INDIAN JOURNAL OF ENGINEERING AND MATERIALS SCIENCES, 2016, roč. 23, č. 2& 3, s. 107-119. ISSN: 0971-4588.
    Detail

    LANGHAMMER, L.; JEŘÁBEK, J.; POLÁK, J.; PÁNEK, D. A Single-Ended and Fully-Differential Universal Current-Mode Frequency Filter with MO-CF and DACA Elements. ADV ELECTR COMPUT EN, 2016, roč. 16, č. 3, s. 43-48. ISSN: 1582-7445.
    Detail

    DVOŘÁK, J.; LANGHAMMER, L.; JEŘÁBEK, J.; KOTON, J.; ŠOTNER, R.; POLÁK, J. Electronically Tunable Fractional-Order Low- Pass Filter with Current Followers. In Proceedings of 2016 39th International Conference on Telecommunications and Signal Processing (TSP). 2016. s. 587-592. ISBN: 978-1-5090-1287- 9.
    Detail

    POLÁK, J.; JEŘÁBEK, J.; LANGHAMMER, L.; DVOŘÁK, J. Tunable frequency filter with transconductance amplifiers and adjustable current amplifiers. Elektrorevue - Internetový časopis (http://www.elektrorevue.cz), 2016, roč. 18, č. 03, s. 68-75. ISSN: 1213-1539.
    Detail

    POLÁK, J.; LANGHAMMER, L. SINGLE- ENDED FREQUENCY FILTER IN PRACTICAL REALIZATION WITH DIGITALLY ADJUSTABLE CURRENT AMPLIFIER. In Proceedings of the 22nd Conference STUDENT EEICT 2016. Brno: Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2016. s. 338-342. ISBN: 978-80-214-5350- 0.
    Detail

    DVOŘÁK, J.; LANGHAMMER, L. ADJUSTABLE FRACTIONAL-ORDER HIGH- PASS FILTER WITH TRANSCONDUCTANCE AMPLIFIERS. In Proceedings of the 22nd Conference STUDENT EEICT 2016. Brno: Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2016. s. 288-292. ISBN: 978-80-214-5350- 0.
    Detail

    JEŘÁBEK, J.; ŠOTNER, R.; DVOŘÁK, J.; LANGHAMMER, L.; KOTON, J. Fractional-Order High- Pass Filter with Electronically Adjustable Parameters. In 21st 2016 International Conference on Applied Electronics. International Conference on Applied Electronics. Pilsen: University of West Bohemia, 2016. s. 111-116. ISBN: 978-80-261-0601- 2. ISSN: 1803-7232.
    Detail

    POLÁK, J.; JEŘÁBEK, J.; LANGHAMMER, L.; ŠOTNER, R.; DVOŘÁK, J.; PÁNEK, D. Digitally Controllable Current Amplifier and Current Conveyors in Practical Application of Controllable Frequency Filter. Journal of Electrical Engineering, 2016, roč. 67, č. 4, s. 261-266. ISSN: 1335-3632.
    Detail | WWW | Plný text v Digitální knihovně

  • 2015

    LANGHAMMER, L.; JEŘÁBEK, J. Laboratorní úlohy komunikačních protokolů. Brno: Vysoké učení technické Brno, 2015. s. 1-139.
    Detail

    LANGHAMMER, L.; JEŘÁBEK, J.; POLÁK, J.; ČÍKA, P. Single-Ended and Fully-Differential Current-Input Current- Output, Universal Frequency Filter with Transconductace and Transresistance, Amplifiers. WSEAS Transactions on Circuits, 2015, roč. 14, č. 2015, s. 56-67. ISSN: 1109- 2734.
    Detail

    ŠOTNER, R.; JEŘÁBEK, J.; LANGHAMMER, L.; POLÁK, J.; HERENCSÁR, N.; PROKOP, R.; PETRŽELA, J.; JAIKLA, W. Comparison of two solutions of quadrature oscillators with linear control of frequency of oscillation employing modern commercially available devices. CIRCUITS SYSTEMS AND SIGNAL PROCESSING, 2015, roč. 34, č. 11, s. 3449-3469. ISSN: 0278-081X.
    Detail | WWW

    POLÁK, J.; LANGHAMMER, L.; JEŘÁBEK, J. Behavioral modeling of Digitally Adjustable Current Amplifier. International Journal of Advances in Telecommunications, Electrotechnics, Signals and Systems, 2015, roč. 4, č. 1, s. 1-7. ISSN: 1805- 5443.
    Detail | WWW

    POLÁK, J.; JEŘÁBEK, J.; LANGHAMMER, L.; ŠOTNER, R. Practical AC & DC measurements of new MCDU active element. Elektrorevue - Internetový časopis (http://www.elektrorevue.cz), 2015, roč. 6, č. 1, s. 25-29. ISSN: 1213- 1539.
    Detail

    LANGHAMMER, L.; JEŘÁBEK, J.; POLÁK, J.; ČÍKA, P. A Current- Mode Universal Frequency Filter Using Transconductance Amplifiers and Transimpedance Amplifier. In Proceedings of the 6th International Conference on Circuits, Systems, Control, Signals (CSCS 15) - Advances in Electrical and Computer Engineering. 2015. s. 81-87. ISBN: 978-1-61804-279- 8.
    Detail

    LANGHAMMER, L.; JEŘÁBEK, J.; POLÁK, J. Tunable Fully-Differential Filters Designed Using Signal- Flow Graphs Method. Elektrorevue - Internetový časopis (http://www.elektrorevue.cz), 2015, roč. 6, č. 3, s. 38-48. ISSN: 1213- 1539.
    Detail | WWW

  • 2014

    LANGHAMMER, L.; JERÁBEK, J. Fully Differential Universal Current-Mode Frequency Filters Based on Signal- Flow Graphs Method. International Journal of Advances in Telecommunications, Electrotechnics, Signals and Systems, 2014, roč. 3, č. 1, s. 1-12. ISSN: 1805- 5443.
    Detail

    POLÁK, J.; LANGHAMMER, L.; JEŘÁBEK, J. Multifunctional non-differential controllable 2nd- order frequency filter. In Sborník příspěvků studentské konference Zvůle 2014. Brno: Vysoké učení technické v Brně, 2014. s. 67-70. ISBN: 978-80-214-5005- 9.
    Detail

    LANGHAMMER, L. Selected chapters from the advanced protocols domain – Cisco academy 3. Brno: Vysoké učení technické Brno, 2014. s. 1-69. ISBN: 978-80-214-5166- 7.
    Detail

    LANGHAMMER, L.; POLÁK, J. Definice Off-The-Record (OTR) protokolu a jeho využití. Crypto- world, 2014, roč. 16, č. 4-5/ 2014, s. 2-9. ISSN: 1801- 2140.
    Detail

  • 2013

    LANGHAMMER, L.; JEŘÁBEK, J. Precision Full- Wave Rectifiers with Current Active Elements and Current Biasing. International Journal of Advances in Telecommunications, Electrotechnics, Signals and Systems, 2013, roč. 2, č. 2, s. 79-83. ISSN: 1805- 5443.
    Detail

    LANGHAMMER, L. Precision Full- Wave Rectifier Using Universal Current Conveyor and Six Diodes. In Proceedings of the 19th Conference STUDENT EEICT 2013 Volume 3. Brno: Litera, Brno, 2013. s. 14-18. ISBN: 978-80-214-4695- 3.
    Detail

    LANGHAMMER, L.; JEŘÁBEK, J. Zavádění simulačního programu OPNET IT Guru do výuky předmětu Pokročilé komunikační techniky. In Workshop Společných aktivit VUT a VŠB-TUO při vytváření obsahu a náplně odborných akreditovaných kurzů ICT - EDU ICT 2013. Ostrava: VŠB- Technická univerzita Ostrava, 2013. s. 6-12. ISBN: 978-80-248-2962- 3.
    Detail

*) Citace publikací se generují jednou za 24 hodin.