ALEXANDRIA, Va., July 16 -- United States Patent no. 12,671,381, issued on June 30, was assigned to Analog Devices International UnLtd. Co. (Limerick, Ireland).
"Amplifier circuit with two-terminal synthesis resistor as feedback resistor" was invented by Naoaki Nishimura (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An amplifier circuit includes a first operational amplifier (op amp) and a two-terminal synthesis resistor connected across a non-inverting input of the first op amp and an output of the first op amp. The two-terminal synthesis resistor includes a second op amp. The two-terminal synthesis resistor includes a current mirror having a first transistor, a second transistor, and a common node ...