ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,549,327, issued on Feb. 10, was assigned to MARVELL ASIA PTE LTD (Singapore).
"CDR lock detection based on frequency differentials" was invented by Min Wu (San Jose, Calif.), Davide Visani (San Jose, Calif.) and Mehedi Hasan (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A transceiver for a network device includes clock data recovery (CDR) circuitry having a digitally controlled oscillator (DCO) and a CDR lock detector, the CDR lock detector including a frequency differential calculator coupled to a first portion of an input to the DCO and configured to determine frequency differentials between a plurality of respective pairs of presen...