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 ...
EDN

Class A-Based Headphone Amplifier

The design of the circuit is based on the operation of a class A amplifier for the purpose of driving a pair of headphones using a mini amplifier. The design of the circuit is based on the operation ...
Electronic Design

Reduce EMI In Your Class D Amplifiers

Fig 1. This shows the spectra of both waveforms when the Class D output is issuing silence (no audio, duty cycle = 50%) with a switching frequency of 333 kHz. Fig 2. The blue line shows the energy ...
ecoustics

Luxman L-595A SPECIAL EDITION Integrated Amplifier

The $11,995 Luxman L-595A Special Edition Integrated Amplifier commemorates the 95th anniversary of the Japanese manufacturer in fine style. The new Luxman L-595A SPECIAL EDITION is a premium Class A ...