paX: a power amplifier with error correction, Part 1
EC and the Output Stage
Published in issue 376, April 2008
Most solid state power amplifiers employ some form of global negative feedback to reduce non-linearities and output impedance. In some cases, designers exploit alternatives like feedforward to circumvent perceived disadvantages of global negative feedback. The present design uses error correction as (re) defined by Malcolm Hawksford around 1981. In part 1 of this article the author discusses error correction for audio amplifiers and presents an audio output stage based on error correction.
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Click below to download a PDF copy of this article from Elektor magazine. Please note. In view of the complexity of international markets, Elektor cannot guarantee the availability of components for this project.
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