ALEXANDRIA, Va., May 12 -- United States Patent no. 12,627,281, issued on May 12, was assigned to MediaTek Inc. (Hsinchu City, Taiwan).
"Multi-level digital step attenuator and digital step attenuation device" was invented by Wei-Hsin Tseng (Hsinchu, Taiwan) and Jhen-Kai Wang (Hsinchu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-level digital step attenuator (DSA) with a hybrid attenuation circuit is shown. The hybrid attenuation circuit is coupled between an input node and an output node of the multi-level DSA. The bypass switch of the multi-level DSA is controlled to provide a bypass path between the input node and the output node of the of the multi-level DSA when the hybrid attenuation ...