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EMI interference suppression in symmetrical non-regulated power supply for high immunity audio power amplifier

 

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Opened Access EMI interference suppression in symmetrical non-regulated power supply for high immunity audio power amplifier
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Author: García Franquelo, Leopoldo
Pérez Ridao, Francisco
Carrasco Solís, Juan Manuel
Department: Universidad de Sevilla. Departamento de Ingeniería Electrónica
Date: 2001
Published in: European Conference on Power Electronics and Applications (9. 2001. Graz, Austria)
Document type: Presentation
Abstract: Different non-regulated symmetrical power supplies for audio power amplifier are presented in this work, where the conducted interference to the ac power grid, measured by a LISN, has been suppressed to the minimum. EMI measurements in different topologies have been compared in this paper. Also, several conventional EMI suppression components have been tested in these topologies in order to reduce EMI interference. As a result several rectifier circuits for main power supply with very low emissions are presented in this paper based on fast rectifier diodes.
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Format: PDF

URI: http://hdl.handle.net/11441/24731

This work is under a Creative Commons License: 
Attribution-NonCommercial-NoDerivatives 4.0 Internacional

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