Calibration of anti-aliasing filter mismatch

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United States of America Patent

PATENT NO 12113551
APP PUB NO 20240072823A1
SERIAL NO

17895897

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Abstract

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In accordance with embodiments of the present disclosure, a method may include, in a system comprising a differential filter comprising a plurality of impedance elements, applying a common-mode signal to the differential filter, measuring an output signal of the differential filter in response to the common-mode signal to determine an error due to impedance mismatch of the impedance elements, and tuning one or more of the plurality of impedance elements to minimize the error.

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Patent Owner(s)

Patent OwnerAddress
CIRRUS LOGIC INTERNATIONAL SEMICONDUCTOR LTD7B NIGHTINGALE WAY QUARTERMILE EDINBURGH EH3 9EG

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Melanson, John L Austin, US 500 10993
Norouzpourshirazi, Arashk Austin, US 6 0
Thomsen, Axel Austin, US 112 1536

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