ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,424,989, issued on Sept. 23, was assigned to MediaTek Inc. (Hsinchu, Taiwan).
"Electronic device and method for envelope tracking" was invented by Ting-Hsun Kuo (Hsinchu, Taiwan) and Tsung-Pin Hu (Hsinchu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electronic device includes a processor, a modulator, and a power amplifier. The processor receives a baseband signal and executes a first ET shaping function on the baseband signal. The modulator receives the baseband signal, detects the magnitude of the baseband signal, and outputs the first voltage according to the magnitude of the baseband signal. The power amplifier outputs an amplified sig...