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:
Sep. 19, 2023
Filed:
Jun. 13, 2022
Nxp Usa, Inc., Austin, TX (US);
Sai-Wang Tam, Sunnyvale, CA (US);
Alden C. Wong, Sunnyvale, CA (US);
Weiwei Xu, Cupertino, CA (US);
Yui Lin, Palo Alto, CA (US);
Jue Yu, Cupertino, CA (US);
Sridhar Reddy Narravula, Cupertino, CA (US);
Dipen Bakul Parikh, Fremont, CA (US);
NXP USA, Inc., Austin, TX (US);
Abstract
Embodiments of a calibration system for third order intermodulation distortion (IMD3) cancellation and a wireless apparatus are disclosed. In an embodiment, a calibration system for IMD3 cancellation includes a cancellation circuit for IMD3 cancellation between a first transmitter and a second transmitter, and a controller coupled to the cancellation circuit and configured to for each frequency channel of the first transmitter, perform a pre-conditional calibration of the cancellation circuit, after the pre-conditional calibration, determine a phase configuration for the cancellation circuit, and after the phase configuration for the cancellation circuit is determined, determine an attenuation configuration for the cancellation circuit.