ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,483,255, issued on Nov. 25, was assigned to NXP B.V. (Eindhoven, Netherlands).

"Self-calibrating buffered-voltage DAC" was invented by Yizhong Zhang (Suzhou, China), Jie Jin (Suzhou, China), Yikun Mo (Suzhou, China), Hongyan Yao (Suzhou, China), Linhao Cao (Suzhou, China) and Sitong Wang (Suzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A self-calibrated buffered-voltage DAC includes a DAC configured to receive an input digital signal and output a first analog voltage signal, a buffer amplifier configured to receive the first voltage signal from the DAC and provide a buffered second analog voltage signal, a voltage to frequency converter con...