US Patent Issued to MURATA MANUFACTURING on May 27 for "Power amplifying circuit" (Japanese Inventor)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,316,289, issued on May 27, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).

"Power amplifying circuit" was invented by Takashi Yamada (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power amplifying circuit includes multi-stage power amplifiers, bias circuits, and a control circuit. The bias circuits output corresponding bias currents based on corresponding control currents. The control circuit outputs the control currents to the bias circuits based on a control voltage. The power amplifiers include a first stage of first and second power amplifiers connected in parallel electrically. The bias circuits include first and secon...