ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,719,354, issued on Aug. 25, was assigned to Airoha Technology Corp. (Hsinchu City, Taiwan).
"Method and apparatus for calibrating pulse-frequency modulation converter by using emulated slope signal" was invented by Chen-Yu Wang (New Taipei City, Taiwan) and Ke-Deng Huang (New Taipei City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A calibration circuit of a pulse-frequency modulation (PFM) converter includes a signal generator circuit and a calibration control circuit. The signal generator circuit generates and outputs an emulated slope signal to a comparator circuit under a calibration mode, wherein the emulated slope signal has an emulated ...