ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,700,831, issued on Aug. 4, was assigned to Huawei Technologies Co. Ltd. (Shenzhen, China).
"Power supply circuit for power amplifier and communication apparatus" was invented by Yao Qian (Shanghai) and Weinan Li (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "In accordance with an embodiment, a power supply circuit configured to be coupled to a power amplifier that includes a driving-stage power amplifier and an output-stage power amplifier. The power amplifier is configured to amplify a power of a radio frequency signal, the driving-stage power amplifier is configured to receive the radio frequency signal, and the output-stage power amplifier i...