A simple and reproducible capacitive electrode

Capacitive Electrodes (CE) allow the acquisition of biopotentials through a dielectric layer, without the use of electrolytes, just by placing them on skin or clothing, but demands front-ends with ultra-high input impedances. This must be achieved while providing a path for bias currents, calling fo...

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Detalles Bibliográficos
Autores principales:	Spinelli, Enrique Mario, Guerrero, Federico Nicolás, García, Pablo Andrés, Haberman, Marcelo Alejandro
Formato:	Articulo
Lenguaje:	Inglés
Publicado:	2016
Materias:	Ingeniería Electrotecnia insulating electrodes active electrodes non-contact measurements
Acceso en línea:	http://sedici.unlp.edu.ar/handle/10915/105075 https://www.sciencedirect.com/science/article/abs/pii/S1350453315002854
Aporte de:	SEDICI (UNLP) de Universidad Nacional de La Plata

id	I19-R120-10915-105075
record_format	dspace
institution	Universidad Nacional de La Plata
institution_str	I-19
repository_str	R-120
collection	SEDICI (UNLP)
language	Inglés
topic	Ingeniería Electrotecnia insulating electrodes active electrodes non-contact measurements
spellingShingle	Ingeniería Electrotecnia insulating electrodes active electrodes non-contact measurements Spinelli, Enrique Mario Guerrero, Federico Nicolás García, Pablo Andrés Haberman, Marcelo Alejandro A simple and reproducible capacitive electrode
topic_facet	Ingeniería Electrotecnia insulating electrodes active electrodes non-contact measurements
description	Capacitive Electrodes (CE) allow the acquisition of biopotentials through a dielectric layer, without the use of electrolytes, just by placing them on skin or clothing, but demands front-ends with ultra-high input impedances. This must be achieved while providing a path for bias currents, calling for ultra-high value resistors and special components and construction techniques. A simple CE that uses bootstrap techniques to avoid ultra-high value components and special materials is proposed. When electrodes are placed on the skin; that is, with coupling capacitances C<sub>S</sub> of around 100 pF, they present a noise level of 3.3 μV<sub>RMS</sub> in a 0.5-100 Hz bandwidth, which is appropriate for electrocardiography (ECG) measurements. Construction details of the CE and the complete circuit, including a fast recovery feature, are presented.
format	Articulo Articulo
author	Spinelli, Enrique Mario Guerrero, Federico Nicolás García, Pablo Andrés Haberman, Marcelo Alejandro
author_facet	Spinelli, Enrique Mario Guerrero, Federico Nicolás García, Pablo Andrés Haberman, Marcelo Alejandro
author_sort	Spinelli, Enrique Mario
title	A simple and reproducible capacitive electrode
title_short	A simple and reproducible capacitive electrode
title_full	A simple and reproducible capacitive electrode
title_fullStr	A simple and reproducible capacitive electrode
title_full_unstemmed	A simple and reproducible capacitive electrode
title_sort	simple and reproducible capacitive electrode
publishDate	2016
url	http://sedici.unlp.edu.ar/handle/10915/105075 https://www.sciencedirect.com/science/article/abs/pii/S1350453315002854
work_keys_str_mv	AT spinellienriquemario asimpleandreproduciblecapacitiveelectrode AT guerrerofedericonicolas asimpleandreproduciblecapacitiveelectrode AT garciapabloandres asimpleandreproduciblecapacitiveelectrode AT habermanmarceloalejandro asimpleandreproduciblecapacitiveelectrode AT spinellienriquemario simpleandreproduciblecapacitiveelectrode AT guerrerofedericonicolas simpleandreproduciblecapacitiveelectrode AT garciapabloandres simpleandreproduciblecapacitiveelectrode AT habermanmarceloalejandro simpleandreproduciblecapacitiveelectrode
bdutipo_str	Repositorios
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A simple and reproducible capacitive electrode

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