US Patent Issued to International Business Machines on April 7 for "Top-down relative DAC calibration" (New York, Connecticut Inventors)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,597,944, issued on April 7, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Top-down relative DAC calibration" was invented by Martin Cochet (South Salem, N.Y.), John Francis Bulzacchelli (Somers, N.Y.) and Timothy O. Dickson (Ridgefield, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method for calibrating a digital-to-analog converter (DAC) device. The method includes tuning a second subset of one or more DAC segments to match a strength of a first subset of DAC segments wherein the first subset of DAC segments is of a strength nominally equal to that of the second subset of DAC segments. The process is iterat...