US Patent Issued to QUALCOMM on Nov. 25 for "Dynamic current mismatch accumulation schemes for digital-to-analog converters" (California Inventors)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,483,257, issued on Nov. 25, was assigned to QUALCOMM Inc. (San Diego).

"Dynamic current mismatch accumulation schemes for digital-to-analog converters" was invented by Sarthak Kalani (Santa Clara, Calif.), Andrew Weil (San Diego) and John Abcarius (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques and apparatus for determining dynamic current mismatches in a current-steering digital-to-analog converter (DAC) are provided. One example technique generally includes accumulating current mismatches between a DAC cell of a plurality of DAC cells and a reference cell using a capacitive element and changing a polarity of the capacitive element...