US Patent Issued to MURATA MANUFACTURING on May 27 for "Power amplifier circuit, doherty amplifier circuit, multistage amplifier circuit, and power amplifier apparatus" (Japanese Inventor)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,316,280, issued on May 27, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).

"Power amplifier circuit, doherty amplifier circuit, multistage amplifier circuit, and power amplifier apparatus" was invented by Shohei Imai (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power amplifier circuit includes a first amplifier transistor, a first nonlinear element, and a current control circuit. The first amplifier transistor has a base or a gate into which a first signal is input, a collector or a drain from which a signal resulting from amplification of the first signal is output, and an emitter or a source that is grounded. The first ...