ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,550,745, issued on Feb. 10, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).
"Output matching circuit and power amplifier module" was invented by Kazuhiro Takahashi (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An output matching circuit includes a transformer having one end electrically connected to an output terminal of a power amplifier element that amplifies an input signal and another end electrically connected to a terminal connected to a load, and converting an impedance of the terminal connected to the load to an impedance higher than an impedance of the output terminal, a first filter circuit that attenuates a signal...