Signal processor and signal processing method

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United States of America Patent

PATENT NO 11659327
APP PUB NO 20220400340A1
SERIAL NO

17398720

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Abstract

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A signal processer is configured to decrease total harmonic distortion plus noise of an output signal generated from an input signal. The signal processer includes a mixer, a pulse-width modulator, a power stage circuit, and a feedback circuit. The mixer is configured to mix the input signal and a feedback signal to generate a mixed signal. The pulse-width modulator is configured to module the mixed signal to generate a modulated signal and output the modulated signal from an output terminal of the pulse-width modulator. The power stage circuit is configured to amplify the modulated signal to generate the output signal and output the output signal from an output terminal of the power stage circuit. The feedback circuit is configured to generate a feedback signal selectively according to the modulated signal or the output signal.

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Patent Owner(s)

  • REALTEK SEMICONDUCTOR CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Liao, Chen Fong Hsinchu, TW 1 0

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