ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,706,572, issued on Aug. 11, was assigned to Murata Manufacturing Co. Ltd. (Kyoto, Japan).
"Power amplifier" was invented by Shingo Yanagihara (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power amplifier includes an amplifier circuit configured to amplify a radio frequency input signal, a bias circuit configured to output a bias current to the amplifier circuit, and a bias suppression circuit configured to suppress the bias current based on the radio frequency input signal. The bias circuit includes a first transistor including a collector and a base that are electrically connected to a first node to be input with a current and an emitt...