ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,405, issued on Dec. 2, was assigned to TEXAS INSTRUMENTS Inc. (Dallas).

"Amplifier output stage circuitry" was invented by Vadim Valerievich Ivanov (Dallas), Srinivas Kumar Pulijala (Tucson, Ariz.) and Piyush Deepak Kaslikar (Tucson, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An example apparatus includes: a folded cascode circuit including a first input terminal, a second input terminal, a first output terminal, and a second output terminal; a first feedback loop including a third output terminal, the third output terminal coupled to the first output terminal; a second feedback loop including a fourth output terminal, the fourth output ter...