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An original approach for the design of a Class D power switching amplifier-an audio application

机译:设计D类功率开关放大器的原始方法-音频应用

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The Class D amplifier is not well known in audio applications. Its excellent power ratio (greater than 90%) is the most important advantage. The MOS transistors switching power stage is able to drive a useful power up to 100 W to the loudspeaker. However, designing such an amplifier is more difficult than designing a Classical Class A or AB power amplifier. The distortion level is also slightly higher than in AB structures. A method to design a Class D power switching amplifier as easily as possible is presented here. The experimental results are given to illustrate the design method.
机译:D类放大器在音频应用中并不为人所知。其出色的功率比(大于90%)是最重要的优势。 MOS晶体管的开关功率级能够为扬声器驱动高达100 W的有用功率。但是,设计这样的放大器比设计经典的A类或AB类功率放大器要困难得多。失真水平也略高于AB结构。本文介绍了一种尽可能轻松地设计D类功率开关放大器的方法。实验结果说明了该设计方法。

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