ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,875, issued on July 21, was assigned to SMARTER MICROELECTRONICS (GUANG ZHOU) Co. LTD. (Gangzhou, China).
"Bias circuit and amplifier" was invented by Chifeng Liu (Guangzhou, China), Qiang Su (Guangzhou, China), Xiao Xu (Guangzhou, China) and Yongle Li (Guangzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A bias circuit includes a mirror current source and a current-to-voltage converter. A first terminal of the mirror current source is connected to a supply voltage terminal, a second terminal of the mirror current source is connected to a reference voltage terminal, and a third terminal of the mirror current source is connected to the cur...