ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,843, issued on Oct. 21, was assigned to ZTE Corp. (Shenzhen, China).
"Envelope tracking method and device" was invented by Shengqi Li (Shenzhen, China) and Linguo Wang (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An envelope tracking method and device are provided. The envelope tracking method includes: acquiring, by a boost circuit, a target envelope tracking input current signal, and transmitting, by the boost circuit, the target envelope tracking input current signal to an amplifier circuit, where the amplifier circuit includes an operational amplifier and a feedback network, and the operational amplifier operates in a mode of ...