Switch Mode Multilevel (Class D) Power Amplifier

youshenglin

Table of Content
ACKNOWLEDGEMENT........................................................................................... IV
ABSTRACT....................................................................................................................V
LIST OF FIGURES..................................................................................................... IX
CHAPTER 1....................................................................................................................1
INTRODUCTION – WHAT IS A POWER AMPLIFIER?.......................................1
1.1 CLASS D POWER AMPLIFIERS OPERATION....................................................1
1.2 RECOGNITION OF PREVIOUS WORK................................................................2
1.3 THESIS OBJECTIVES ...........................................................................................3
1.4 THESIS STRUCTURE ...........................................................................................3
CHAPTER 2....................................................................................................................5
BACKGROUND.............................................................................................................5
2.1 THE DIFFERENT BETWEEN THE LINEAR MODE AND SWITCH MODE
AMPLIFIER ..................................................................................................................5
2.2 TYPE OF AMPLIFIER...........................................................................................6
2.2.1 Class A Amplifier.......................................................................................6
2.2.2 Class B Amplifier.......................................................................................7
2.2.3 Class AB Amplifier....................................................................................7
2.2.4 Class D Amplifier ......................................................................................7
2.3 IMPLEMENTATION ON THE CLASS D AMPLIFIER TO IMPROVE IT
PERFORMANCE ...........................................................................................................8
2.3.1 Multilevel Switching .................................................................................8
2.3.2 Output filter design ...................................................................................8
2.3.3 Close loop control .....................................................................................9
CHAPTER 3..................................................................................................................11
DESIGN THEORY.......................................................................................................11
3.1 SWITCH MODE CONVERTERS...................................................
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