EDN

Assessing Class D vs AB audio amplifier thermal issues for cramped enclosures – Part 2

Dissipation consists mainly of resistive losses, (Output Current) 2 * R. Figure 3 illustrates the efficiency of the sinewave input and also shows the distortion of the output signal. That distortion ...
Electronic Design

Class-D Amps Raise Low-Power Systems To The Next Level

This article was originally published in the Dec 14, 1998 issue of Electronic Design. Class-D audio power amplifiers (APAs) were first introduced nearly 50 years ago. Since then, they have been used ...
Electronic Design

Class AB Op Amps: The Solution for Low-Iq Audio

Different classes of amplifiers. What are the benefits of class AB amplifiers? Patents that address the quiescent current of class AB amps. Amplifiers have many classifications, and each class has its ...
EDN

Assessing Class D vs AB audio amplifier thermal issues for cramped enclosures – Part 3

Editor's note: this is the final installment in this series. Part one is available at http://www.audiodesignline.com/howto/199202502 At 15 dB to 12 dB even very dense ...