Calibration of high speed ananlog-to-digital converters
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United States of America Patent
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Oct 31, 2017
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Mar 10, 2017
filing date -
Mar 10, 2017
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Abstract
The present disclosure relates to implementations of a method and a system for calibrating the system that includes analog-to-digital converters (ADCs). The method, performed on the system's corresponding components include, providing, from a signal generator, a first signal during a calibration mode. Parallel ADCs provide ADC outputs associated with the first signal. First parallel filters provide derivative signals associated with the ADC outputs. Second and third parallel filters provide first and second band-stop filtered signals associated with the ADC outputs and the derivative signals, respectively. The disclosure includes multiplying the first and the second band-stop filtered signals and selecting a portion of the multiplied signals that are accumulated for storage. The system incorporating these components performing these features is, accordingly, calibrated.
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