ALEXANDRIA, Va., March 19 -- United States Patent no. 12,255,588, issued on March 18, was assigned to pSemi Corp. (San Diego).
"Cascode amplifier bias circuits" was invented by Jonathan James Klaren (San Diego), David Kovac (Arlington Heights, Ill.), Eric S. Shapiro (San Diego), Christopher C. Murphy (Lake Zurich, Ill.), Robert Mark Englekirk (Littleton, Colo.), Keith Bargroff (San Diego) and Tero Tapio Ranta (San Diego).
According to the abstract* released by the U.S. Patent & Trademark Office: "Bias circuits and methods for silicon-based amplifier architectures that are tolerant of supply and bias voltage variations, bias current variations, and transistor stack height, and compensate for poor output resistance characteristics. Embodime...