MSc F Varkevisser

PhD student
Bioelectronics (BE), Department of Microelectronics

Expertise: Efficiency and safety of electrical stimulation, circuit design for neuroprosthetic devices.


Francesc Varkevisser was born in Leiden, The Netherlands in 1996. He received the BSc (cum laude) and MSc degrees in electrical engineering both from the Delft University of Technology, in 2018 and 2020 respectively. Currently he is working towards the Ph.D. degree in the Section Bioelectronics at the Department of Microelectronics at the Faculty of Electrical Engineering, Mathematics, and Computer Science, Delft University of Technology. His research interests include efficiency and safety of electrical stimulation, and circuit design for neuroprosthetic devices.


  1. Hybrid neuroelectronics: towards a solution-centric way of thinking about complex problems in neurostimulation tools
    Sofia Drakopoulou; Francesc Varkevisser; Linta Sohail; Masoumeh Aqamolaei; Tiago L. Costa; George D. Spyropoulos;
    Frontiers in Electronics,
    2023. DOI:

  2. Low-cost shaping of electrical stimulation waveforms for bioelectronic medicine with improved efficiency and selectivity
    Amin Rashidi; Francesc Varkevisser; Vasiliki Giagka; Tiago L. Costa; Wouter A. Serdijn;
    In in Proc. 9th Dutch Biomedical Engineering Conf. (BME) 2023,
    January 2023.

  3. Multichannel Current-Mode Stimulator with Channel-Specific Regulated Power Supply
    Francesc Varkevisser; Tiago L. Costa; Wouter A. Serdijn;
    In Proc. 2023 IEEE Biomedical Circuits and Systems Conference (BioCAS),
    Toronto, IEEE, 19-21 October 2023.

  4. Energy efficiency of pulse shaping in electrical stimulation: the interdependence of biophysical effects and circuit design losses
    Francesc Varkevisser; Tiago Costa; Wouter Serdijn;
    Biomedical Physics & Engineering Express,
    Volume 8, Issue 6, 13 September 2022. DOI: 10.1088/2057-1976/ac8c47

  5. Energy Savings of Multi-Channel Neurostimulators with Non-Rectangular Current-Mode Stimuli Using Multiple Supply Rails
    K. Kolovou-Kouri; A. Rashidi; F. Varkevisser; W.A. Serdijn; V. Giagka;
    In proc. 2022 44th Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC),
    Glasgow, UK, IEEE, pp. 3443-3446, July 2022. DOI: 10.1109/EMBC48229.2022.9871145

  6. Pre-Filtering of Stimuli for Improved Energy Efficiency in Electrical Neural Stimulation
    Francesc Varkevisser; Amin Rashidi; Tiago L. Costa; Vasiliki Giagka; Wouter A. Serdijn;
    In Proc. IEEE Biomedical Circuits and Systems Conference (BioCAS) 2022,
    IEEE, October 2022.

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Last updated: 8 Feb 2023