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A digital click modulator for a class-D audio power amplifier

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1 Author(s)
Sozanski, K.P. ; Inst. of Electr. Eng., Univ. of Zielona Gora, Gora, Poland

This paper describes a digital click modulator for a class-D digital audio power amplifier. The click modulator is an interesting alternative to a classical pulse width modulator. The modulator was realized using a floating point digital signal processor ADSP-21065L and FPGA circuit Spartan 3 XC3100E. Some simulation and laboratory test results are presented in this paper.

Published in:

Signal Processing Algorithms, Architectures, Arrangements, and Applications Conference Proceedings (SPA), 2009

Date of Conference:

24-26 Sept. 2009