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. 26, 2023
Filed:
Apr. 20, 2021
Qualcomm Incorporated, San Diego, CA (US);
Changhan Hobie Yun, San Diego, CA (US);
Hannu Laurila, Oulu, FI;
Ville Lehtisalo, Uusimaa, FI;
Ville Herman Brunou, Helsinki, FI;
Daniel Daeik Kim, San Diego, CA (US);
Paragkumar Ajaybhai Thadesar, San Diego, CA (US);
Nosun Park, Incheon, KR;
Wei Cheng, San Diego, CA (US);
QUALCOMM INCORPORATED, San Diego, CA (US);
Abstract
An exemplary tunable circuit includes an inductor coupled to a node and a first capacitor coupled to the node. The tunable circuit also includes a variable capacitor coupled to the node, such that a total capacitance of the tunable circuit depends on a fixed capacitance of the first capacitor and a variable capacitance of the variable capacitor. In an example, the inductor and the first capacitor are both included in a passive device and the variable capacitor is in a semiconductor device. The variable capacitor allows the total capacitance to be modified for the purpose of, for example, calibrating the capacitance to account for manufacturing variations, and/or adjusting to a frequency range of operation used by wireless devices in a region of the world. The first capacitor may be a higher quality capacitor providing a larger portion of the total capacitance than the variable capacitor.