ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,537,548, issued on Jan. 27, was assigned to Apple Inc. (Cupertino, Calif.).
"Load modulated radio-frequency amplifier with digital predistortion" was invented by Stephan Henzler (Munich), Pedro Mirassol Tome (Munich), Andreas Langer (Munich) and Alexander Klinkan (Linz, Austria).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electronic device may include wireless circuitry. The wireless circuitry may include at least a digital predistortion circuit, an upconversion circuit, and a load-line modulated amplifier circuit. The digital predistortion circuit can be configured to receive a reference baseband signal from one or more processors and to selective...