ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,410, issued on Dec. 2, was assigned to Nordic Semiconductor ASA (Trondheim, Norway).

"Common-mode feedback" was invented by Dominik Przyborowski (Trondheim, Norway).

According to the abstract* released by the U.S. Patent & Trademark Office: "A common-mode feedback circuit for a fully differential amplifier comprises first (MB), second (MTP), and third (MTN) transistors, each having a respective drain, source, gate, and back-gate terminals. The drain terminal of the first transistor (MB) and the gate terminals of the first, second, and third transistors (MB, MTP, MTN) are connected together at a bias current terminal. The drain terminals of the second and third transistors are conn...