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Título:	Charge-transfer-based signal interface for resistive sensors
Autor/a:	Gaitán Pitre, Jorge Eliécer; Pallàs Areny, Ramon
Otros autores:	Universitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica; Universitat Politècnica de Catalunya. GRUP ISI - Grup d'Instrumentació, Sensors i Interfícies
Abstract:	Charge transfer has been demonstrated to be a cost-effective method to measure capacitive sensors with low-end microcontrollers. Here we apply charge transfer to measure the output of voltage dividers that include a high value resistive sensor hence extending the advantages of this method to a large group of sensors. By using two-point calibration, the maximal deviation obtained, referred to the Full Scale Span (FSS), is ±4 % for sensors between 100 kO and 1 MO, and ±5 % for sensors between 1 MO and 10 MO.
Materia(s):	-Àrees temàtiques de la UPC::Enginyeria electrònica -Detectors -Resistive sensor -charge transfer method -sensor-to-microcontroller interface -direct sensor interface -Detectors
Derechos:	http://creativecommons.org/licenses/by-nc-nd/3.0/es/
Tipo de documento:	Artículo - Versión publicada Objeto de conferencia
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