ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,771,299, issued on Oct. 20, was assigned to Telefonaktiebolaget LM Ericsson (publ) (Stockholm).
"Multiband Doherty power amplifier arrangements with hybrid combiners" was invented by Yonghai Jin (Beijing) and Rui Hou (Taby, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power amplifier arrangement for amplifying signals with multiple frequency bands. The power amplifier arrangement includes multiple inputs, multiple outputs, multiple main amplifiers, and multiple auxiliary amplifiers. Each of the multiple main amplifiers is configured as a narrow band amplifier for amplifying a signal within one frequency band of the multiple frequency bands, e...