Class-D Audio Power Amplifier Design

by Robert N. Buono

Overview

Class-D Audio Power Amplifier Design is a comprehensive and detailed guide to Class-D amplifiers. Including historical perspectives covering the evolution of Class-D to the present day, this book provides a detailed discussion of each Class-D functional block.

With design guidance to optimize performance, the reader will learn from a series of real-life examples and design challenges to equip them in designing reliable, high-performance Class-D audio amplifiers. Featuring numerous diagrams and schematics to aid learning, chapters also cover a wide range of topics, such as:

• Power supply considerations
• EMI mitigation
• Multi-channel designs
• Gate driver circuits
• L-C demodulation filters.

Class-D Audio Power Amplifier Design is the essential reference guide for students, researchers, and professionals engaged with audio electronics.

Product Details

ISBN-13:	9781032356327
Publisher:	Taylor & Francis
Publication date:	05/01/2025
Pages:	472
Product dimensions:	6.88(w) x 9.69(h) x (d)

About the Author

Robert N. Buono has over 40 years’ experience in analog and power electronic circuit design. He is an expert in the design of Class-D audio power amplifiers and switched-mode power supplies and is a named inventor on 16 patents. He is presently a Principal Engineer at Crestron Electronics, where he has designed successful Class-D amplifier products for the residential and install markets.

Table of Contents

1. Introduction 2. Input Circuits 3. Comparator and PWM Circuits 4. Ramp Generator Circuits 5. Level-Shifter Circuits 6. Gate Driver Circuits 7. Bias Supply for Upper Gate Driver 8. Half-Bridge and Full-Bridge Switching Power Stages 9. L-C Demodulation Filters 10. Sources of Distortion and Noise 11. Class-D Power Stage Losses, a Deep Dive 12. Feedback and Compensation 13. Housekeeping and UVLO Circuits 14. Protection Circuits (Overcurrent, Overtemperature, DC-Offset) 15. EMI Mitigation 16. PCB Layout and Thermal Considerations 17. Power Supply Considerations 18. 70V and 100V Constant-Voltage Amplifiers (High Impedance) 19. Multi-Channel Designs 20. Audio Performance Measurements and Instrumentation 21. Alternate Modulation Schemes for Class-D Amplifiers 22. Digital Applications, Interfaces, and Digital Signal Processing 23. Integrated Circuit (IC) Approaches and Advances in Components and Materials

Editorial Reviews

"Class-D Audio Power Amplifier Design is a thorough, in-depth treatment brimming with practical design techniques from a top-tier design engineer. With full chapters on EMI mitigation, PCB layout, and audio performance measurement, amongst others, this book provides us with a wealth of tips and techniques that takes years to accumulate."

Dennis Fink, IC Engineering Manager, THAT Corporation, Milford MA, USA

From the Publisher