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:
Nov. 30, 2010
Filed:
Dec. 18, 2006
Lior Assouline, Rishon Lezion, IL;
Lior Assouline, Rishon Lezion, IL;
Bigband Networks, Inc., Redwood City, CA (US);
Abstract
A method and system for calibrating a quadrature modulator. The method includes: determining a set of sideband calibration frequencies; for each sideband calibration frequency out of the set of sideband calibration frequencies: inputting an input signal having the sideband calibration frequency to the quadrature modulator; measuring a sideband signal power level; determining at least one calibration parameter in response to phase and gain imbalances expected at the measured sideband signal power level.
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