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:
Feb. 13, 2018
Filed:
Jun. 24, 2016
Skyworks Solutions, Inc., Woburn, MA (US);
Yu Zhu, Wellesley, MA (US);
Boshi Jin, Winchester, MA (US);
Steven Christopher Sprinkle, Hampstead, NH (US);
Florinel G. Balteanu, Irvine, CA (US);
Oleksiy Klimashov, Burlington, MA (US);
Dylan Charles Bartle, Arlington, MA (US);
Paul T. DiCarlo, Marlborough, MA (US);
Skyworks Solutions, Inc., Woburn, MA (US);
Abstract
A linearization circuit that reduces intermodulation distortion in an amplifier output receives a first signal that includes a first frequency and a second frequency and generates a difference signal having a frequency approximately equal to the difference of the first frequency and the second frequency. The linearization circuit generates an envelope signal based at least in part on a power level of the first signal and adjusts a magnitude of the difference signal based on the envelope signal. When the amplifier receives the first signal at an input terminal and the adjusted signal at a second terminal, intermodulation between the adjusted signal and the first signal cancels at least a portion of the intermodulation products that result from the intermodulation of the first frequency and the second frequency.