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 ...
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 ...
EDN

Class AB amp suits WiMAX applications

The AWM6430 InGaP HBT 3.5-GHz class AB power amplifier features an integrated step attenuator and output power detector. The part provides an error vector magnitude ...
EDN

Making a Class AB output stage safer

A widely-used push-pull configuration of an AB class amplifier is shown in Figure 1, but it has some improvements. Figure 1 This configuration of an AB class amplifier has some improvements. First of ...
Audioholics

Starke Sound’s 4-Channel AD4.320 Amplifier Uses Proprietary Class D Tech, BIG Power

Starke Sound’s new AD4.320 4-channel power amplifier ($1,399) uses a home-grown Class D amplifier module combined with an old-school linear power supply. It can be bridged for up to 650 watts!