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 ...

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 ...

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 ...

Nuvoton has released the NAU83U25YG, an automotive-grade Class-D audio amplifier designed for vehicle electronics ...

Santa Clara, Calif. — Aimed at portable applications, National Semiconductor Corp. rolled out what it claims is the smallest 2.5-watt, Class D audio amplifier in the world. In addition, the company ...

The benefits of using Class D amplifiers. What to look for when choosing a Class D amp. Making the tradeoff between THD+N and quiescent current. Back in the day (1970s), audio amplifiers like the ...

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 ...