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Convention Paper

Computer-Aided Design and Analysis of Class B and Class H Powr Amplifier Output Stages

Authors: Mendenhall, Eric

AES Convention 101 · Paper 4329 · November 1996

Abstract

A brief review of the constraints and stresses on the output stage transistors of Class-B and Class-H power amplifiers is presented. The cases considered are simple resistive loading, first-order reactive loading, and complex reactive loading by a real loudspeaker or electrical equivalent model. Several simple relations are presented to aid in the thermal design of the output stage. A way of obtaining junction temperature versus time for a complex power waveform is introduced. A computer program is introduced as a design tool and tutorial aid, providing graphical and numerical output not as easily obtainable otherwise.

Details

Published in
AES Convention 101
AES Convention
101
Paper number
4329
Publication date
November 6, 1996
Session subject
Analog Electronics
Affiliation
QSC Audio Products, Inc., Costa Mesa, CA (See document for exact affiliation information.)
Type
Convention Paper