A reconfigurable electrical stimulator for the needs of multichannel neurobiological experiments

• Autorzy: Kmon P. , Drozd A.
• Języki publikacji: EN

Abstrakty

EN

The article presents a project of an output stage of the system designed for electrical stimulation of neural cells. The construction proposed is based on an operational amplifier working in a configuration of adjustable current source and is dedicated to the multichannel integrated electronic system destined for neurobiological experiments. The system has been tested in the CMOS 180nm technology and is characterized by a wide range of changes in stimulation currents (3 current ranges: 2 μA, 10 μA, 200 μA), high output impedance (above 20 MΩ), as well as a wide range of an output voltage ± 1.45 V for a ± 1.65 V supply voltage). The stimulator can generate different current patterns thanks to RAM and stimulator control logic employed. The work presents results of the simulations that concern both the scope of adjustments of stimulation currents and their mismatches between stimulation channels. The exemplary current waveforms are also shown.

Słowa kluczowe

EN

multichannel integrated stimulating circuits; ASIC; neurobiological experiments; programmable stimulator

PL

wielokanałowy układ scalony; ASIC; eksperymenty neurobiologiczne; stymulator programowalny

• Wydawca: Lodz University of Technology. Department of Microelectronics and Computer Science
• Czasopismo: International Journal of Microelectronics and Computer Science
• Rocznik: 2014
• Tom: Vol. 5, nr 3
• Strony: 87--91
• Opis fizyczny: Bibliogr. 13 poz.

Twórcy

autor

Kmon P.

• Faculty of Electrical Engineering, Automatics, Computer Science and Biomedical Engineering, Department of Measurement and Electronics, AGH University of Science and Technology, al. A. Mickiewicza 30, 30-059 Krakow, Poland

autor

Drozd A.

• Faculty of Electrical Engineering, Automatics, Computer Science and Biomedical Engineering, Department of Measurement and Electronics, AGH University of Science and Technology, al. A. Mickiewicza 30, 30-059 Krakow, Poland

Bibliografia

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