ALEXANDRIA, Va., June 19 -- United States Patent no. 12,334,883, issued on June 17, was assigned to Skyworks Solutions Inc. (Irvine, Calif.).
"Power amplifier output matching" was invented by Yang Liu (Irvine, Calif.), Yong Hee Lee (Tustin, Calif.), Thomas Obkircher (Santa Ana, Calif.) and William J. Domino (Yorba Linda, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor-on-insulator die can include a power amplifier configured to amplify a radio frequency input signal having a fundamental frequency. The die can further include an output matching circuit including first and second second-order harmonic rejection circuits configured to resonate at about two times the fundamental frequency a...