ALEXANDRIA, Va., July 21 -- United States Patent no. 12,689,333, issued on July 21, was assigned to SMARTER MICROELECTRONICS (GUANG ZHOU) Co. LTD. (Guangzhou, China).
"Protection circuit and method for power amplifier" was invented by Yangyang Peng (Guangzhou, China) and Yang Hou (Guangzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A protection circuit for the power amplifier includes a detection circuit, a controller and an input impedance adjustment circuit. The detection circuit is provided with an input end connected to the power amplifier and an output end connected to an input end of the controller, and is configured to detect an operation electrical signal of the power amplifier and genera...