%0 Patent %T Digital phase-locked loop with wide capture range, low phase noise, and reduced spurs %U https://patents.google.com/patent/US8686771B2/en?oq=US8%2c686%2c771 %A Frantzeskakis, Emmanouil %A Syllaios, Ioannis %A Sfikas, Georgios %A Jensen, Henrik %A Wu, Stephen %A Sen, Padmanava %D 2014-04-01