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Design of an operational transconductance amplifier applying multiobjective optimization techniques

In this paper, the problem at hand consists in the sizing of an Operational Transconductance Amplifier (OTA). The Pareto front is introduced as a useful analysis concept in order to explore the design space of such analog circuit. A genetic algorithm (GA) is employed to automatically detect this fro...

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Autores Principales: Pereira-Arroyo, Roberto, Molina-Robles, Roberto, Chacón-Rodríguez, Alfonso
Formato: Artículo
Idioma: Español
Publicado: Editorial Tecnológica de Costa Rica 2014
Materias:
Multiobjective optimization; operational transconductance amplifier; genetic algorithms; CMOS
Optimización multiobjetivo; amplificador operacional de transconductancia; algoritmos genéticos; CMOS
Acceso en línea: https://revistas.tec.ac.cr/index.php/tec_marcha/article/view/1691
https://hdl.handle.net/2238/4096
id RepoTEC4096
recordtype dspace
spelling RepoTEC40962015-09-01T16:34:46Z Design of an operational transconductance amplifier applying multiobjective optimization techniques Diseño de un amplificador operacional de transconductancia aplicando técnicas de optimización multiobjetivo Pereira-Arroyo, Roberto Molina-Robles, Roberto Chacón-Rodríguez, Alfonso Multiobjective optimization; operational transconductance amplifier; genetic algorithms; CMOS Optimización multiobjetivo; amplificador operacional de transconductancia; algoritmos genéticos; CMOS In this paper, the problem at hand consists in the sizing of an Operational Transconductance Amplifier (OTA). The Pareto front is introduced as a useful analysis concept in order to explore the design space of such analog circuit. A genetic algorithm (GA) is employed to automatically detect this front in a process that efficiently finds optimal parameteriza­tions and their corresponding values in an aggregate fitness space. Since the problem is treated as a multi-objective optimization task, different measures of the amplifier like the transconductance, the slew rate, the linear range and the input capacitance are used as fitness functions. Finally, simulation results are pre­sented, using a standard 0,5μm CMOS technology. En este trabajo, el problema en cuestión consiste en el dimensionamiento de un Amplificador Operacional de Transconductancia (OTA). El frente de Pareto se introduce como un concepto útil de análisis con el fin de explorar el espacio de diseño de este tipo de circuitos analógicos. Se emplea un algoritmo genético (GA) para detectar automáticamente este frente, en un proceso que de manera eficiente encuentra parametrizaciones óptimas y sus valores correspondientes en un espacio agregado de aptitudes. Ya que el problema es tratado como una tarea de optimización multiobjetivo, las diferentes medidas del amplificador como la transconductancia, razón de cambio de salida, el rango lineal y la capacitancia de entrada se utilizan como funciones de aptitud. Por último, se presentan los resultados de simulación, utilizando una tecnología CMOS estándar de 0,5μm. 2014-05-02 2015-03-23T21:03:24Z 2015-03-23T21:03:24Z info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Artículo revisado por pares https://revistas.tec.ac.cr/index.php/tec_marcha/article/view/1691 https://hdl.handle.net/2238/4096 spa https://tecdigital.tec.ac.cr/servicios/ojs/index.php/tec_marcha/article/view/1691/1544 application/pdf Editorial Tecnológica de Costa Rica Tecnología en Marcha; Vol. 27, Núm. 1 (2014); pág. 3-12 2215-3241 0379-3982
institution Tecnológico de Costa Rica
collection Repositorio TEC
language Español
topic Multiobjective optimization; operational transconductance amplifier; genetic algorithms; CMOS
Optimización multiobjetivo; amplificador operacional de transconductancia; algoritmos genéticos; CMOS
spellingShingle Multiobjective optimization; operational transconductance amplifier; genetic algorithms; CMOS
Optimización multiobjetivo; amplificador operacional de transconductancia; algoritmos genéticos; CMOS
Pereira-Arroyo, Roberto
Molina-Robles, Roberto
Chacón-Rodríguez, Alfonso
Design of an operational transconductance amplifier applying multiobjective optimization techniques
description In this paper, the problem at hand consists in the sizing of an Operational Transconductance Amplifier (OTA). The Pareto front is introduced as a useful analysis concept in order to explore the design space of such analog circuit. A genetic algorithm (GA) is employed to automatically detect this front in a process that efficiently finds optimal parameteriza­tions and their corresponding values in an aggregate fitness space. Since the problem is treated as a multi-objective optimization task, different measures of the amplifier like the transconductance, the slew rate, the linear range and the input capacitance are used as fitness functions. Finally, simulation results are pre­sented, using a standard 0,5μm CMOS technology.
format Artículo
author Pereira-Arroyo, Roberto
Molina-Robles, Roberto
Chacón-Rodríguez, Alfonso
author_sort Pereira-Arroyo, Roberto
title Design of an operational transconductance amplifier applying multiobjective optimization techniques
title_short Design of an operational transconductance amplifier applying multiobjective optimization techniques
title_full Design of an operational transconductance amplifier applying multiobjective optimization techniques
title_fullStr Design of an operational transconductance amplifier applying multiobjective optimization techniques
title_full_unstemmed Design of an operational transconductance amplifier applying multiobjective optimization techniques
title_sort design of an operational transconductance amplifier applying multiobjective optimization techniques
publisher Editorial Tecnológica de Costa Rica
publishDate 2014
url https://revistas.tec.ac.cr/index.php/tec_marcha/article/view/1691
https://hdl.handle.net/2238/4096
_version_ 1796139034548895744
score 12.041432

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