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- W2891453087 abstract "A novel distortion suppression technique suitable for digital class D audio power amplifiers using pulse density modulation (DSM) is presented. Unlike traditional analog techniques, the proposed feedback scheme can also tolerate long latency. The distortion suppression circuit generates a digital measurement of the output stage error, and feeds it back to the DSM for noise shaping. A calibration technique of the error circuitry and mismatch between the complementary outputs at the H-bridge output stage is also presented. Experimental verification via a printed circuit board (PCB) prototype shows 10 dB reduction in THD at −8 dB (relative to full scale input), with a latency of 24 clock cycles for a DSM clock of 12.5 MHz." @default.
- W2891453087 created "2018-09-27" @default.
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- W2891453087 date "2018-07-01" @default.
- W2891453087 modified "2023-09-23" @default.
- W2891453087 title "A Distortion Suppression Technique for a Digital Class D Audio Power Amplifier with Pulse Density Modulation" @default.
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- W2891453087 doi "https://doi.org/10.1109/icalip.2018.8455841" @default.
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