ALEXANDRIA, Va., July 9 -- United States Patent no. 12,355,403, issued on July 8, was assigned to pSemi Corp. (San Diego).
"RF switch with split tunable matching network" was invented by Tero Tapio Ranta (San Diego), Chih-Chieh Cheng (Poway, Calif.) and Kevin Roberts (Rohnert Park, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An improved architecture for a radio frequency (RF) power amplifier, impedance matching network, and selector switch. One aspect of embodiments of the invention is splitting the functionality of a final stage impedance matching network (IMN) into two parts, comprising a base set of off-chip IMN components and an on-chip IMN tuning component. The on-chip IMN tuning component may...