Systems and methods for low pass filter mismatch calibration
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United States of America Patent
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Oct 31, 2017
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app pub date -
Jan 22, 2016
filing date -
Feb 10, 2015
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Abstract
System and methods are provided for calibration of low pass filter mismatch. An example system includes: a tone generator configured to generate a tone signal with a baseband frequency value; one or more low pass filters configured to filter one or more analog signals associated with the tone signal; one or more analog-to-digital converters (ADCs) configured to generate one or more aliases associated with the one or more analog signals; and a calibration processor configured to detect low pass filter mismatch based at least in part on the one or more aliases associated with the tone signal.
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