ALEXANDRIA, Va., June 12 -- United States Patent no. 12,301,245, issued on May 13, was assigned to Raytheon Co. (Arlington, Va.).
"Iterative ADC and DAC calibration" was invented by Paul T. Hartin (McKinney, Texas), Kyle A. Steiner (McKinney, Texas), Robert John Casey (Celeste, Texas) and Andres Lugo (Prosper, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A circuit and method for calibrating ADCs and DACs generates a calibration signal by a DAC; filters spurs from the calibration signal from the DAC to generate a filtered calibration signal; calculates ADC interleave calibration factors to improve performance metrics of the ADC, responsive to the filtered calibration signal; receives the calibration s...