ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,212,291, issued on Jan. 28, was assigned to pSemi Corp. (San Diego).

"Drain sharing split LNA" was invented by Miles Sanner (San Diego) and Emre Ayranci (Costa Mesa, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A receiver front end having low noise amplifiers (LNAs) is disclosed herein. A cascode having a "common source" configured input FET and a "common gate" configured output FET can be turned on or off using the gate of the output FET. A first switch is provided that allows a connection to be either established or broken between the source terminal of the input FET of each LNA. A drain switch is provided between the drain terminals of input...