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. 21, 2023
Filed:
Aug. 24, 2021
Radio frequency system with tunable filters including tunable filter with mutually coupled inductors
Skyworks Solutions, Inc., Irvine, CA (US);
Fei Jia, Calabasas, CA (US);
Joshua Kawika Ellis, Cedar Rapids, IA (US);
Kun Chen, Thousand Oaks, CA (US);
Shayan Farahvash, Kensington, CA (US);
Haisu Ju, Thousand Oaks, CA (US);
Haibo Cao, Newbury Park, CA (US);
Skyworks Solutions, Inc., Irvine, CA (US);
Abstract
Aspects of this disclosure relate to a radio frequency system with tunable notch filtering. The radio frequency system includes a first tunable filter and a second tunable filter. The first tunable filter is coupled between an output of a power amplifier and a radio frequency switch. The second tunable filter includes mutually coupled inductors and a tunable impedance circuit electrically connected to at least one of the mutually coupled inductors. The second tunable filter is coupled between an antenna switch and an antenna node. Related methods and wireless communication devices are also disclosed.