ALEXANDRIA, Va., July 16 -- United States Patent no. 12,362,708, issued on July 15, was assigned to pSemi Corp. (San Diego).
"Doherty amplifier with adjustable alpha factor" was invented by Michael P. Gaynor (Crystal Lake, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A Doherty amplifier circuit having a tunable impedance and phase ("TIP") circuit to provide an adjustable alpha factor, which allows for a selection of power added efficiency (PAE) curves that are useful for applications having different modulations or to meet other criteria. Embodiments include a Doherty amplifier having a TIP circuit that provides for tunability of the impedance ZINV (resulting in an adjustable alpha factor) while maint...