An improved buffer for bioelectric signals

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Title:	An improved buffer for bioelectric signals
Author:	Pallàs Areny, Ramon; Colominas i Balagué, Josep; Rosell Ferrer, Francisco Javier
Other authors:	Universitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica; Universitat Politècnica de Catalunya. IEB - Instrumentació Electrònica i Biomèdica
Abstract:	We propose an AC-coupled amplifier that offers a high in-put impedance, thus making it suitable for bioelectric signal amplifi- cation. We also present the necessary formulas for calculating its input impedance and transfer function in order to facilitate its adaptation to different applications.
Abstract:	Peer Reviewed
Subject(s):	-Àrees temàtiques de la UPC::Enginyeria biomèdica::Electrònica biomèdica -Biomedical engineering -Amplifiers (Electronics) -Amplifiers -Biolectric potentials -Biomedical electronics -Buffer circuits -Common mode input capacitance -Input protection -Resonance frequency -Signal buffer -Medical electronics -AC-coupled amplifier -Biolelectric signal amplification -Transfer function -Frequency reponse -Corner frequency -Effective input impedance -RF filter -Circuit layout -Enginyeria biomèdica -- Aparells i instruments -Amplificadors (Electrònica)
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Document type:	Article
Published by:	IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
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