SISTEMA DE VALIDACIÓN DE AMPLIFICADORES OPERACIONALES Y DE INSTRUMENTACIÓN UTILIZANDO LabVIEW (OPERATIONAL AND INSTRUMENTATION AMPLIFIERS VALIDATION SYSTEM USING LabVIEW)
Resumen
En este trabajó se realizó un sistema para validar el funcionamiento de amplificadores operacionales TLC274, LM358 y TL084 y el amplificador de instrumentación AD620. Se describe el diseño y fabricación de la tarjeta de circuito impreso, así como la etapa para acoplar los componentes necesarios y el desarrollo del software para la interfaz de usuario de manera que facilite su uso. Se desarrolló un programa en LabVIEW que permite verificar el funcionamiento de los dispositivos mencionados de manera semiautomatizada. El sistema ha demostrado ser de gran ayuda para llevar a cabo un mejor control e inventario de estos recursos del laboratorio, permitiendo detectar rápidamente fallas en los componentes puestos a prueba. Asimismo, ha conducido a que en las prácticas de laboratorio los alumnos obtengan los resultados esperados en menor tiempo y que las actividades prácticas se lleven a cabo con mayor seguridad.
Palabras Clave: Amplificadores operacionales, LabVIEW, Instrumentación.
Abstract
In this paper, a system was developed to validate the operation of TLC274, LM358, and TL084 operational amplifiers, and the AD620 instrumentation amplifier. The design and manufacture of the printed circuit board are described, as well as the stage to couple the necessary components and the development of the software for the user interface in a way that facilitates its use. A program was developed in LabVIEW that allows verifying the operation of the aforementioned devices in a semi-automated way. The system has proven to be of great help to carry out a better control and inventory of these laboratory resources, allowing to quickly detection failures in the components under test. Likewise, it has allowed students to obtain the expected results in less time in laboratory sessions and those practical activities are carried out with greater certitude.
Keywords: Operational amplifier, LabVIEW, Instrumentation.
Texto completo:
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