标签: u00780632

u00780632ALOW-POWERCMOSFREQUENCYSYNTHESIZERDESIGNMETHODOLOGYFORWIRELESSAPPLICATIONSAmrM.FahimandMohamedI.ElmasryElectrical&ComputerEngineeringDept.,UniversityofWaterloo,Waterloo,CANADAABSTRACTAnewmethodologyisdevelopedtoallowdesignspaceexplorationofCMOSfrequencysynthesizers(FS)forwirelessapplications.Thismethodologyallowsthecomparisonofdifferentphaselockedloop(PLL)anddirectdigitalsynthesizer(DDFS)architecturesintermsoftheirspectralpurityandpowerdissipation.Anoptimizationstrategyinwhichboththelocktimeandthephasenoiseareconstrainedwhileminimizingpowerdissipationhasbeenconstructed.Thefirstorderperformancemodelsusedforthismethodologyhavebeenverifiedtobeaccurateupto5%ofHPSICEsimulations.Us……