Development of a Prototype for the Acquisition of Biopotentials Implementing a New Interconnection Method for Shielding
Source abstract
Abstract
A biological system can emit signals, and if these signals are correctly acquired, they can provide valuable information about the processes occurring within the system, enhancing our knowledge of the biological system. For this reason, we present a prototype system for acquiring various biopotentials using a main module that integrates amplification, high-pass filtering, band-reject filtering, and offset adjustment stages. This configuration allows for adjustable gain when working with different biopotentials and includes dedicated filtering modules for each biopotential type. We also propose a new topology for the shielded controller used in the interconnection between electrodes and the amplification stage to reduce noise introduced by the electrical network. Biopotentials acquired using the proposed topology show improved noise reduction and signal definition compared to those acquired using other topologies found in the literature. The design of the proposed system utilizes basic electronics, making it a low-cost solution. Ultimately, the system is simple, efficient, and suitable for applications requiring the acquisition of multiple types of biopotentials.
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Research context
OpenAlex topics: Muscle activation and electromyography studies · Neuroscience and Neural Engineering · Cardiac electrophysiology and arrhythmias
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Instituto Politécnico Nacional, Escuela Superior de Ingeniería Mecánica y Eléctrica, Av. IPN s/n, SEPI-ESIME, Col. Lindavista, Ciudad de México 07738, Mexico
Funding
Instituto Politécnico Nacional de México (IPN) and Consejo Nacional de Humanidades, Ciencia y Tecnología (Conahcyt)
References (77)
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