The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 17, 2018
Filed:
Apr. 19, 2017
Marvell International Ltd., Hamilton, BM;
Pantas Sutardja, San Jose, CA (US);
Marvell International Ltd., Hamilton, BM;
Abstract
A system including filter circuits, a least mean square (LMS) engine, and a gain controller. A first filter circuit includes first taps that receive first coefficients. The first filter circuit filters a digital signal to generate a first filtered signal. One of the first coefficients is constrained. The LMS engine, based on a first input signal and a LMS algorithm, generates the first coefficients. A second filter circuit includes second taps that receive second coefficients. The second filter circuit filters the first filtered signal to generate a second filtered signal. The gain controller adjusts a gain of the digital signal based on a second input signal. The second filter circuit introduces: a difference in gain between outputs of the first and second filter circuits to adjust amplitudes of the first and second input signals; and a sampling phase offset between the outputs of the first and second filter circuits.