ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,719,422, issued on Aug. 25, was assigned to Apple Inc. (Cupertino, Calif.).
"Power amplifier and filtering circuitry" was invented by Simone Gambini (San Francisco).
According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure is directed to a power amplifier (PA) including circuitry to amplify and filter transmission signals in a radio frequency (RF) circuit. The PA may include multiple core amplifiers coupled to a power combiner to amplify and filter the transmission signals. For example, the PA may activate the core amplifiers to provide the transmission signals with a peak output power. Alternatively, the PA may activate a reduced number of the core...