US Patent Issued to Realtek Semiconductor on Jan. 20 for "Phase-locked loop control circuit, phase-locked loop circuit and control method thereof" (Taiwanese Inventor)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,561, issued on Jan. 20, was assigned to Realtek Semiconductor Corp. (Hsinchu, Taiwan).

"Phase-locked loop control circuit, phase-locked loop circuit and control method thereof" was invented by Chun-Ching Chan (Hsinchu, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A PLL circuit includes a reference current generation circuit, a frequency calibration circuit, a magnification adjustment circuit, an oscillation circuit and a front-end circuit. The frequency calibration circuit generates a current adjustment signal according to a target frequency. The magnification adjustment circuit adjusts a reference current to a target frequency current acco...