US Patent Issued to MURATA MANUFACTURING on Jan. 20 for "Current control circuit, bias supply circuit, and amplifier device" (Japanese Inventor)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,523, issued on Jan. 20, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).

"Current control circuit, bias supply circuit, and amplifier device" was invented by Kazuhiko Ishimoto (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A current control circuit controls a bias current that is supplied to an amplifier transistor that amplifies a radio-frequency signal and includes a node, a constant current source circuit that supplies a first current to the node, and a variable current source circuit that supplies a second current to the node, based on a result of comparison between a potential of the node and a reference potential. Th...