Transcription of Class D Amplifier Design Basics II - irf.com
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Class D Amplifier Design Basics II. 02/19/2009. Rev 1. Contents Chapter 1. Getting Familiar with Class D audio Amplifier Chapter 2. Latest Class D audio Amplifier Technology Trend Chapter 3. Identifying Problems ~ Performance Measurement of Class D Amplifier Chapter 4. Reducing Distortion ~Dead-time ~ LPF Designs Chapter 5. Reducing Noise ~ Isolation Technique ~ PCB Design APPENDIX. Simulation of a Simple Class D Amplifier 2. Chapter 1: Getting Familiar with Class D audio Amplifier audio Amplifier Market Trend More Channels Smaller Box Lighter Weight A Wire with Gain More Functions (Digital Input, Diag). Smaller Size Device Technology Lower Cost Control Technology audio Performance 4. Why Class D Now? audio Market Trend More Channels Class AB Smaller Size Smaller Size IR. Class D. Higher Performance Device Technology MOSFET.
Getting Familiar with Class D Audio Amplifier Chapter 2 Latest Class D Audio Amplifier Technology Trend Chapter 3 Identifying Problems ~ Performance Measurement of Class D Amplifier ... Similar to a variable resistor V IN x I IN = V OUT x I OUT Note that input current and output current are not equal. Class AB Class D Bi-directional energy flow ...
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