%0 Journal Article %T On the simulation of fast settling charge pump PLLs up to fourth order %A Guermandi, Marco %A Franchi, Eleonora %A Gnudi, Antonio %J International Journal of Circuit Theory and Applications %V 39 %N 12 %P 1257-1273 %@ 0098-9886 %D 2011-12-01 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve