US Patent Issued to Realtek Semiconductor on Dec. 23 for "Charge pump filtering circuit, phase-locked loop circuit, and clock data recovery circuit" (Chinese Inventor)

ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,506,484, issued on Dec. 23, was assigned to Realtek Semiconductor Corp. (Hsinchu, Taiwan).

"Charge pump filtering circuit, phase-locked loop circuit, and clock data recovery circuit" was invented by Jun Yang (Jiangsu Province, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A charge pump filtering circuit includes a charge pump circuit and a filter circuit. The charge pump circuit includes a first switch and a second switch. The first switch and the second switch are coupled at a first node and are coupled between a power terminal and a ground terminal. The filter circuit includes a first capacitor, a second capacitor, and a first voltage switching...