ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,709, issued on April 21, was assigned to TEXAS INSTRUMENTS Inc. (Dallas).
"High linearity phase interpolator" was invented by Baher Haroun (Allen, Texas), Wenting Zhou (Milpitas, Calif.), Kai Yiu Tam (Santa Clara, Calif.), Reza Hoshyar (San Jose, Calif.) and Ali Kiaei (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A high linearity phase interpolator (PI) is disclosed. A phase value parameter indicative of a desired phase difference between an output signal and an input clock signal edge may be provided by control logic. A first capacitor may be charged for a first period of time with a first current that is proportional to the pha...