ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,381,513, issued on Aug. 5, was assigned to GlobalFoundries U.S. Inc. (Malta, N.Y.).
"IQ phase imbalance calibration using sampling clock delay adjustment" was invented by Xiaozhe Fan (Colchester, Vt.) and Mustapha Slamani (South Burlington, Vt.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system for phase imbalance calibration, including: an in-phase (I) signal channel including an analog-to-digital converter (ADC) for sampling an I signal to provide a sampled I signal; a quadrature (Q) signal channel including an ADC for sampling a Q signal to provide a sampled Q signal; a sampling clock for controlling the sampling of the ADC on the I signal channe...