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Volume 13
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10.3390/technologies13070270
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Article

Design and Development of an Electronic Interface for Acquiring Signals from a Piezoelectric Sensor for Ultrasound Imaging Applications

by
Elizabeth Espitia-Romero
1,
Adriana Guzmán-López
2,
Micael Gerardo Bravo-Sánchez
2,*,
Juan José Martínez-Nolasco
3,
José Alfredo Padilla Medina
4 and
Francisco Villaseñor-Ortega
2
1
Departamento de Posgrado e Investigación (DEPI), Tecnológico Nacional de Mexico (TecNM), Instituto Tecnológico de Celaya (ITC), Celaya 38010, Guanajuato, Mexico
2
Departamento de Ingeniería Bioquímica e Ingeniería Ambiental, Tecnológico Nacional de Mexico (TecNM), Instituto Tecnológico de Celaya (ITC), Celaya 38010, Guanajuato, Mexico
3
Departamento de Ingeniería Mecatrónica, Tecnológico Nacional de Mexico (TecNM), Instituto Tecnológico de Celaya (ITC), Celaya 38010, Guanajuato, Mexico
4
Departamento de Ingeniería Electrónica, Tecnológico Nacional de Mexico (TecNM), Instituto Tecnológico de Celaya (ITC), Celaya 38010, Guanajuato, Mexico
*
Author to whom correspondence should be addressed.
Technologies 2025, 13(7), 270; https://doi.org/10.3390/technologies13070270
Submission received: 3 May 2025 / Revised: 13 June 2025 / Accepted: 15 June 2025 / Published: 25 June 2025
(This article belongs to the Special Issue Image Analysis and Processing)
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Abstract

The increasing demand for accurate and accessible medical imaging has driven efforts to develop technologies that overcome limitations associated with conventional imaging techniques, such as MRI and CT scans. This study presents the design and implementation of an electronic interface for acquiring signals from a piezoelectric ultrasound sensor with the aim of improving image reconstruction quality by addressing electromagnetic interference and speckle noise, two major factors that degrade image fidelity. The proposed interface is installed between the ultrasound transducer and acquisition system, allowing real-time signal capture without altering the medical equipment’s operation. Using a printed circuit board with 110-pin connectors, signals from individual piezoelectric elements were analyzed using an oscilloscope. Results show that noise amplitudes occasionally exceed those of the acoustic echoes, potentially compromising image quality. By enabling direct observation of these signals, the interface facilitates the future development of analog filtering solutions to mitigate high-frequency noise before digital processing. This approach reduces reliance on computationally expensive digital filtering, offering a low-cost, real-time alternative. The findings underscore the potential of the interface to enhance diagnostic accuracy and support further innovation in medical imaging technologies.
Keywords: ultrasound; interface; piezoelectric sensor; analog filter; image reconstruction ultrasound; interface; piezoelectric sensor; analog filter; image reconstruction
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MDPI and ACS Style

Espitia-Romero, E.; Guzmán-López, A.; Bravo-Sánchez, M.G.; Martínez-Nolasco, J.J.; Padilla Medina, J.A.; Villaseñor-Ortega, F. Design and Development of an Electronic Interface for Acquiring Signals from a Piezoelectric Sensor for Ultrasound Imaging Applications. Technologies 2025, 13, 270. https://doi.org/10.3390/technologies13070270

AMA Style

Espitia-Romero E, Guzmán-López A, Bravo-Sánchez MG, Martínez-Nolasco JJ, Padilla Medina JA, Villaseñor-Ortega F. Design and Development of an Electronic Interface for Acquiring Signals from a Piezoelectric Sensor for Ultrasound Imaging Applications. Technologies. 2025; 13(7):270. https://doi.org/10.3390/technologies13070270

Chicago/Turabian Style

Espitia-Romero, Elizabeth, Adriana Guzmán-López, Micael Gerardo Bravo-Sánchez, Juan José Martínez-Nolasco, José Alfredo Padilla Medina, and Francisco Villaseñor-Ortega. 2025. "Design and Development of an Electronic Interface for Acquiring Signals from a Piezoelectric Sensor for Ultrasound Imaging Applications" Technologies 13, no. 7: 270. https://doi.org/10.3390/technologies13070270

APA Style

Espitia-Romero, E., Guzmán-López, A., Bravo-Sánchez, M. G., Martínez-Nolasco, J. J., Padilla Medina, J. A., & Villaseñor-Ortega, F. (2025). Design and Development of an Electronic Interface for Acquiring Signals from a Piezoelectric Sensor for Ultrasound Imaging Applications. Technologies, 13(7), 270. https://doi.org/10.3390/technologies13070270

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