2014
DOI: 10.4028/www.scientific.net/amm.511-512.757
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Abstract: Class D audio amplifier can extend battery life for its small cubage and high efficiency. In connection with the advantages of Class D audio amplifier, a class D audio amplifier with high efficiency and low distortion is designed in this paper. A negative feedback is established to improve the linearity of the amplifier and power supply ripple rejection ratio. Minimizing the distortion of the system requires high-speed sampling. High-speed comparator is designed to meet this requirement. Moreover, the work req…

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