| Chapter | 20 |
Class-D Power Amplifiers
Alternative Modulation Systems
Since the first edition of this book, Class-D amplifiers have increased enormously in popularity. This is because Class-D gives the highest efficiency of any of the amplifier classes, although the performance, particularly in terms of linearity, is not so good. They are used in active subwoofers, mobile phones, low-end home theatre systems, and sound reinforcement applications. Their penetration into general hi-fi has been small due to justified concerns over distortion performance and frequency response ...
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