SEMI-CLOSE LOOP DC OFFSET COMPENSATION TECHNIQUE
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United States of America Patent
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Issued Date -
Feb 9, 2017
app pub date -
Aug 3, 2015
filing date -
Aug 3, 2015
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Abstract
Systems and methods for calibrating DC offset of wireless device are disclosed. The calibration process includes determining the DC offset based on the step size determined for each particular wireless chipset or wireless device, which may be determined in the factory or in the field. The DAC compensation corresponding to the DC offset may then be applied to the baseband of the receive chain of the chipset.
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