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Convention Paper

Debugging of Class-D Audio Power Amplifiers

Authors: Crone, Lasse; Pedersen, Jeppe Arnsdorf; Mønster, Jakob Døllner; Knott, Arnold

AES Convention 132 · Paper 8630 · April 2012

Abstract

Determining and optimizing the performance of a Class-D audio power amplifier can be very difficult without knowledge of the use of audio performance measuring equipment and of how the various noise and distortion sources influence the audio performance. This paper gives an introduction on how to measure the performance of the amplifier and how to find the noise and distortion sources and suggests ways to remove them. Throughout the paper measurements of a test amplifier are presented along with the relevant theory.

Details

Published in
AES Convention 132
AES Convention
132
Paper number
8630
Publication date
April 6, 2012
Session subject
Amps and Measurement
Affiliation
Technical University of Denmark, Kongens Lyngby, Denmark (See document for exact affiliation information.)
Type
Convention Paper