High-fidelity PWM inverter for audio amplification based on real-time DSP

Cesar Pascual, Philip T. Krein, Pallab Midya, Bill Roeckner

Research output: Contribution to journalArticlepeer-review

Abstract

A complete digital audio amplifier has been developed, implemented and tested. It makes use of digital signal processing and a switching power stage to provide both high fidelity and high efficiency. It includes innovative signal processing and hardware techniques. It delivers 51 W into an 8-Ω load with an efficiency of 82% and a total harmonic distortion plus noise of 0.022%.

Original languageEnglish (US)
Pages (from-to)227-232
Number of pages6
JournalIEEE Workshop on Computers in Power Electronics
DOIs
StatePublished - Jan 1 2000

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering
  • Software

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