ALEXANDRIA, Va., March 17 -- United States Patent no. 12,580,537, issued on March 17, was assigned to Skyworks Solutions Inc. (Irvine, Calif.).

"Saturation detection bandwidth enhancement using virtual grounds" was invented by Philip John Lehtola (Cedar Rapids, Iowa) and Lui Ray Lam (Lexington, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention provides a differential power amplification stage comprising a first amplification unit adapted to amplify a first differential signal and to output an amplified first differential signal, a second amplification unit adapted to amplify a second differential signal having opposite phase to the first differential signal and to output an amplified second ...