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 ...
Audioholics

ATI AT4002 Class AB and AT522NC Class D Amplifier Review Shootout

In market for a powerful 200 WPC amp? ATI has you covered with two completely different technologies. We compare the AT4000 class A/B and the AT522NC Class-D amplifiers to help you decide. EIA 1kHz ...
EDN

Filter-free design helps class-D audio amplifier implementations

A class-D puts out a pulse-width modulated (PWM) signal instead of the typical class-AB amplifiers linear signal The PWM signal contains the audio signal and the PWM switching frequency plus harmonics ...
Electronic Design

CLASS D 100W+ AUDIO POWER AMPS

The efficiency and size advantages of Class D audio amplification in battery- powered devices are well known. These advantages are now extended to amplifiers up to 500W, made possible by solidstate ...
Jazz

Class D Amplifiers Are Shrinking and Greening Your Electronics

Technology has democratized the music industry in many obvious ways -- notice how every band, regardless of stature, has a MySpace page? But one of technology's more subtle effects has been to make ...
EDN

Class D amps reduce EMI, improve sound

Once dismissed as providing only average-quality audio, Class D switchingamplifiers appear now to be turning the tide and gaining acceptance in consumerapplications. Companies like Analog Devices, ...