【文件名】:06713@52RD_Class D Audio Amplfier Basic.pdf
【格 式】:pdf
【大 小】:425K
【简 介】:
【目 录】:Class D Audio Amplifier Basics
What is a Class D Audio Amplifier? – Theory of Operation..................1
Topology Comparison – Linear vs. Class D .........................................3
Analogy to a Synchronous Buck Converter..........................................4
Power Losses in the MOSFET.............................................................4
Table 1. Topology Comparison (Half-bridge vs. Full-bridge) ................6
Major Cause of Degradation ................................................................7
THD and Dead Time ............................................................................8
Audio Performance Measurement........................................................9
Shoot-through Prevention ....................................................................10
Power Supply Pumping........................................................................11
EMI Considerations..............................................................................12
Conclusion ...........................................................................................
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发表于 2006-7-13 12:03:00
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