ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,413,186, issued on Sept. 9, was assigned to Ohio State Innovation Foundation (Columbus, Ohio).
"3-way dual-band Doherty power amplifier" was invented by Patrick Roblin (Columbus, Ohio) and Ruwaybih Alsulami (Columbus, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-band Doherty power amplifier (DPA) is provided. A dual-band Doherty power amplifier (DB-DPA) is based on a 3-way architecture and comprises a main amplifier for each band an auxiliary amplifier handling both bands. The 3-Way DB-DPA improves the average drain efficiency in concurrent dual-band operation compared to the traditional 2-Way DB-DPA, by avoiding early clipping in the ma...