High efficiency audio amplifier
作者： Brian B. North , Cary L. Delano
DOI:
关键词:
摘要: According to the invention, an audio amplifier system for use with a single-ended portable power supply that is referenced ground, such as small battery, has single-channel class G section, multiple voltage output charge pump subsystem supplying complementary pairs of voltages at selected ratiometric levels set switches on rails and power-measuring comparator selecting which pair provided section.
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