Shuffler-free ADC error compensation
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United States of America Patent
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Oct 22, 2024
Grant Date -
Jul 27, 2023
app pub date -
Dec 5, 2022
filing date -
Jan 27, 2022
priority date (Note) -
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Abstract
Aspects of the disclosure are directed to compensating for errors in in an analog-to-digital converter circuit (ADC). As may be implemented in accordance with one or more embodiments, an apparatus and/or method involves an ADC that converts an analog signal into a digital signal using an output from a digital-to-analog converter circuit (DAC). A compensation circuit generates a compensation output by, for respective signal portions provided to the DAC, generating a feedback signal based on an incompatibility between the conversion of the signal portions into an analog signal and the value of the signal portions provided to the DAC. A compensation output is generated based on the signal input to the DAC with a gain applied thereto, based on the feedback signal. Hereby, the digital inputs provided to the DACs are non-randomized.
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