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    Pseudo-Resistor-Based ECG Amplifier: Design, Implementation and Temperature Characterization

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    Pseudo-Resistor-Based ECG Amplifier - Design Implementation and Temperature Characterization.pdf (848.3Kb)
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    Artigo de Periódico
    Date
    2023
    Author
    Pessoa, Beatriz Barsocchi Testa
    Pereira, Cleiton Fidelix
    Benko, Pedro Luiz
    Stolf, Ricardo Germano
    Perin, André Luiz
    Lucchi, Julio Cesar
    Galeti, Milene
    Buhler, Rudolf Theoderich
    Giacomini, Renato Camargo
    xmlui.dri2xhtml.METS-1.0.item-sponsorship
    National Research Council (NRC)
    CAPES
    CNPq
    Financiadora de Estudos e Projetos (FINEP)
    INCT-FNA
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    Abstract
    Biomedical signal amplifiers are fundamental in various medical applications for acquiring crucial biological signals such as ECG, EEG, and EMG. The use of pseudo-resistors has been recently studied for biological amplifiers, mainly because of their fast recovery time after interference pulses, which are frequent in such applications. The previous studies on pseudo-resistors are limited to simulation, modeling, and implementing some narrow-bandwidth amplifiers. For the first time, this study uses the piecewise linear (PWL) model integrated with pseudo-resistors to design a tailored circuit for ECG applications, with 0.04 Hz to 2 kHz bandwidth for the full application temperature range. The circuit is fully modeled, simulated, and characterized, fine-tuning the feedback capacitance values to optimize performance within the crucial temperature range for biomedical applications. This full bandwidth amplifier represents a significant advancement in biomedical signal amplification technology, ensuring comprehensive signal fidelity allied to fast recovery response. © 2023, Brazilian Microelectronics Society. All rights reserved.
    1. ECG
    2. frequency
    3. frequency response
    4. temperatures
    URI
    https://www.scopus.com/inward/record.uri?eid=2-s2.0-85180831492&doi=10.29292%2fjics.v18i3.768&partnerID=40&md5=d42047a941b6787967e2f0325a8ba986
    https://repositorio.maua.br/handle/MAUA/1454
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