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:
Dec. 08, 2015
Filed:
Jun. 17, 2014
Qualcomm Incorporated, San Diego, CA (US);
Amirpouya Kavousian, San Jose, CA (US);
Alireza Khalili, Sunnyvale, CA (US);
Mohammad Bagher Vahid Far, San Jose, CA (US);
QUALCOMM Incorporated, San Diego, CA (US);
Abstract
A method and an apparatus for canceling EM coupling are provided. The apparatus includes a ring structure at least partially surrounding an EM circuit. A negative transconductance circuit is coupled to ends of the ring structure. The negative transconductance circuit is configured to cancel an EM coupling to the EM circuit at a frequency. The method includes generating a plurality of settings for a negative transconductance circuit and tuning the negative transconductance circuit to one of the plurality of settings for the negative transconductance circuit to cancel an EM coupling to an EM circuit at a frequency.