A micropower low-distortion digital class-D amplifier based on an algorithmic pulsewidth modulator

• Main Authors: Gwee, Bah Hwee, Chang, Joseph Sylvester, Victor, Adrian
• Other Authors: School of Electrical and Electronic Engineering
• Format: Article
• Language: English
• Published: 2009
• Subjects: DRNTU::Engineering::Electrical and electronic engineering
• Online Access: https://hdl.handle.net/10356/96769; http://hdl.handle.net/10220/4625
• Institution: Nanyang Technological University

A digital Class-D amplifier comprises a pulsewidth modulator (PWM) and an output stage. In this paper, we simplify the time-domain expression for the algorithmic PWM linear interpolation (LI) sampling process and analytically derive its double Fourier series expression....