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Distortion and error reduction in a class D power stage using feedback

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Author

Summary, in English

In this paper a method for minimizing the total harmonic distortion (THD) is presented for a class-D output stage by optimizing a loop filter. A second-order filter is chosen to create large error suppression through the audio band while keeping the overall system complexity low. The stability of the optimized loop is examined to ensure proper operation. SIMULINK simulations are given to verify the theory introduced.

Publishing year

2005

Language

English

Publication/Series

27th International AES Conference

Volume

paper 3-3

Document type

Conference paper

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Conference name

27th International AES Conference

Conference date

2005-09-02 - 2005-09-04

Conference place

Hillerød, Denmark

Status

Published