Approaches to building single-stage AC/AC conversion switch-mode audio power amplifiers

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Abstract

This paper discusses the possible topologies and promising approaches towards direct single-phase AC-AC conversion of the mains voltage for audio applications. When compared to standard Class-D switching audio power amplifiers with a separate power supply, it is expected that direct conversion will provide better efficiency and higher level of integration, leading to lower component count, volume and cost, but at the expense of a minor performance deterioration.
Original languageEnglish
Title of host publication11th International Power Electronics and Motion Control Conference EPE-PEMC 2004
Publication date2004
Publication statusPublished - 2004

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