ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,470,176, issued on Nov. 11, was assigned to Ampleon Netherlands B.V. (Nijmegen, Netherlands).
"Doherty amplifier" was invented by Zhi Geng (Nijmegen, Netherlands) and Yi Zhu (Nijmegen, Netherlands).
According to the abstract* released by the U.S. Patent & Trademark Office: "Example embodiments relate to Doherty amplifiers. One Doherty amplifier includes a packaged main amplifier that includes a main input lead for receiving a main RF signal, a main power transistor for amplifying the main RF signal, and a main output lead for outputting the main RF signal amplified by the main power transistor. The Doherty amplifier also includes a packaged peak amplifier that includes a peak input l...