US Patent Issued to Intel on March 11 for "Phase locked loop assisted fast start-up apparatus and method" (Oregon, California Inventors)

ALEXANDRIA, Va., March 12 -- United States Patent no. 12,249,997, issued on March 11, was assigned to Intel Corp. (Santa Clara, Calif.).

"Phase locked loop assisted fast start-up apparatus and method" was invented by Somnath Kundu (Hillsboro, Ore.), Hao Luo (Milpitas, Calif.) and Brent Carlton (Portland, Ore.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus and method are provided to re-configure an existing low-jitter phase locked loop (PLL) circuit for fast start-up during system wake-up. During system start-up, a feed-back path of the PLL is disconnected to independently control the VCO frequency. This independently controlled VCO then injects energy into a resonator (e.g., a crustal oscillator...