ALEXANDRIA, Va., June 12 -- United States Patent no. 12,301,186, issued on May 13, was assigned to Taiwan Semiconductor Manufacturing Co. Ltd. (Hsinchu, Taiwan).
"Differential amplifier" was invented by Chin-Hao Chang (Hsinchu, Taiwan), Manoj M. Mhala (Hsinchu, Taiwan) and Calvin Yi-Ping Chao (Hsinchu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A differential amplifier is provided. The differential amplifier includes a first load, a second load, a current source, a differential pair circuit, a first and a second switch circuit. The differential pair circuit includes a first transistor, a second transistor, a third transistor, and a fourth transistor. The first switch circuit controls the first and...