%0 Patent %T Digital phase-locked loop with wide capture range, low phase noise, and reduced spurs %U https://patents.google.com/patent/US8686771B2/ %G en %A Frantzeskakis, Emmanouil %A Syllaios, Ioannis L. %A Sfikas, Georgios %A Jensen, Henrik %A Wu, Stephen %A Sen, Padmanava %D 2014-04-01 %K dpll frequency output signal phase error signal