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EnglishIn this paper a system for neural recording and stimulation is presented. The device is composed of two different IC: a recording chip, implemented in a 3.3V 0.35µm CMOS technology, and a stimulation chip, realized with a High Voltage 0.35µm CMOS process. The recording module is able to acquire neural signals from the Peripheral Nervous System (PNS), amplifying, filtering and converting them in a digital format. The stimulation chip can provide stimulation currents in the range of hundreds of microamperes with impedances up to tens of kOhm, thanks to a voltage booster that brings the voltage supply up to 19V. The ICs, hosted in a custom PCB, communicate with the PC thanks to a Xilinx-Spartan6 LX45 prototyping board. The experimental measures show the system capabilities to record signals in the range of few microvolts with a total IRN of 4µVrms and to generate programmable biphasic current pulse trains.
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| Titolo: | A multi-channel recording/stimulation device for neuro-prosthetic application |
| Autori: | |
| Data di pubblicazione: | 2014 |
| Abstract: | In this paper a system for neural recording and stimulation is presented. The device is composed of two different IC: a recording chip, implemented in a 3.3V 0.35µm CMOS technology, and a stimulation chip, realized with a High Voltage 0.35µm CMOS process. The recording module is able to acquire neural signals from the Peripheral Nervous System (PNS), amplifying, filtering and converting them in a digital format. The stimulation chip can provide stimulation currents in the range of hundreds of microamperes with impedances up to tens of kOhm, thanks to a voltage booster that brings the voltage supply up to 19V. The ICs, hosted in a custom PCB, communicate with the PC thanks to a Xilinx-Spartan6 LX45 prototyping board. The experimental measures show the system capabilities to record signals in the range of few microvolts with a total IRN of 4µVrms and to generate programmable biphasic current pulse trains. |
| Handle: | http://hdl.handle.net/11584/84894 |
| ISBN: | 9788855532754 |
| Tipologia: | 2.1 Contributo in volume (Capitolo o Saggio) |
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