ALEXANDRIA, Va., July 15 -- United States Patent no. 12,665,553, issued on June 23, was assigned to SMARTER MICROELECTRONICS (GUANG ZHOU) Co. LTD. (Guangzhou, China).
"Dual-frequency low-noise amplifier circuit" was invented by Minjun He (Guangzhou, China), Yaohua Zheng (Guangzhou, China) and Ping Li (Guangzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A dual-frequency low-noise amplifier circuit includes an input impedance matching circuit, a radio-frequency signal amplifying circuit and an output impedance matching circuit. An input end of the input impedance matching circuit inputs a radio-frequency signal, and an output end is connected to an input end of the output impedance matching circuit...