Capacitive electrode with high sensitivity for detection of electrical biopotentials

J. L. Varela-Benítez; J. O. Rivera-Delgado; J. H. Espina-Hernández; J. M. De La Rosa-Vázquez

doi:10.17488/RMIB.36.2.1pdf

Capacitive electrode with high sensitivity for detection of electrical biopotentials

Título traducido de la contribución: Electrodo capacitivo de alta sensibilidad para la detección de biopotenciales eléctricos

J. L. Varela-Benítez, J. O. Rivera-Delgado, J. H. Espina-Hernández, J. M. De La Rosa-Vázquez

Escuela Superior de Ingeniería y Arquitectura (ESIA), Unidad Zacatenco

Producción científica: Contribución a una revista › Artículo › revisión exhaustiva

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Resumen

In this work the design and implementation of a capacitive noncontact electrode for detecting biopotentials in the human body is presented. Electrical circuits, the selection criteria of the operational amplifier based on the analysis of the optimal noise resistance are presented, the physical assembly is described and the signals obtained and evaluation of its performance are presented based on the signaltonoise ratio S/N. We show the performance of several operational amplifiers and it is shown the versatility of the electrode to detect several biopotentials making adjustments to the values of two electrical components of the electrode.

Título traducido de la contribución	Electrodo capacitivo de alta sensibilidad para la detección de biopotenciales eléctricos
Idioma original	Inglés
Páginas (desde-hasta)	S183S
Publicación	Revista Mexicana de Ingenieria Biomedica
Volumen	36
N.º	2
DOI	https://doi.org/10.17488/RMIB.36.2.1pdf
Estado	Publicada - 1 ene. 2015

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AU - Varela-Benítez, J. L.

AU - Rivera-Delgado, J. O.

AU - Espina-Hernández, J. H.

AU - De La Rosa-Vázquez, J. M.

PY - 2015/1/1

Y1 - 2015/1/1

N2 - In this work the design and implementation of a capacitive noncontact electrode for detecting biopotentials in the human body is presented. Electrical circuits, the selection criteria of the operational amplifier based on the analysis of the optimal noise resistance are presented, the physical assembly is described and the signals obtained and evaluation of its performance are presented based on the signaltonoise ratio S/N. We show the performance of several operational amplifiers and it is shown the versatility of the electrode to detect several biopotentials making adjustments to the values of two electrical components of the electrode.

AB - In this work the design and implementation of a capacitive noncontact electrode for detecting biopotentials in the human body is presented. Electrical circuits, the selection criteria of the operational amplifier based on the analysis of the optimal noise resistance are presented, the physical assembly is described and the signals obtained and evaluation of its performance are presented based on the signaltonoise ratio S/N. We show the performance of several operational amplifiers and it is shown the versatility of the electrode to detect several biopotentials making adjustments to the values of two electrical components of the electrode.

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DO - 10.17488/RMIB.36.2.1pdf

M3 - Artículo

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JO - Revista Mexicana de Ingenieria Biomedica

JF - Revista Mexicana de Ingenieria Biomedica

IS - 2

ER -

Capacitive electrode with high sensitivity for detection of electrical biopotentials

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