ALEXANDRIA, Va., July 23 -- United States Patent no. 12,368,420, issued on July 22, was assigned to Synopsys Inc. (Sunnyvale, Calif.).
"Constant-gain bias circuit" was invented by David Yokoyama-Martin (Portland, Ore.) and Yi Luo (Beaverton, Ore.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A circuit includes an auxiliary circuit and a current generator circuit. The auxiliary circuit is implemented using a metal layer in a chip and operated using a bias current. The current generator circuit includes a metal resistor implemented as a trace using the metal layer. The current generator circuit generates the bias current based on the metal resistor and adjusts a value of the metal resistor in response to a ch...