Analog-to-digital converter capable of cancelling sampling noise

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United States of America Patent

PATENT NO 11777512
APP PUB NO 20210376846A1
SERIAL NO

17388333

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Abstract

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The present application discloses an analog-to-digital converter capable of cancelling sampling noise, which comprises: a sampling circuit configured to acquire an analog input signal; a sampling noise cancelling circuit has an input end connected with an output end of the sampling circuit, and is configured to cancel noise generated by the sampling circuit; a comparator has an input end connected with an output end of the sampling noise cancelling circuit, and an output end connected with an input end of a logic circuit, and is configured to compare magnitudes of output signals of the sampling noise cancelling circuit and output a comparison result to the logic circuit; and the logic circuit has an output end connected with the sampling circuit, and is configured to output a digital output signal, and process the comparison result to obtain a control signal by which an output voltage of the sampling circuit is controlled.

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Patent Owner(s)

  • TSINGHUA UNIVERSITY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Liu, Jiaxin Beijing, CN 17 66
Sun, Nan Beijing, CN 36 171

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