Analog Frequency Multiplier
PL560-xx VCXO Family
PRODUCT DESCRIPTION
FEATURES
•ꢀNonꢁPLLꢀfrequencyꢀmultiplicationꢀ
•ꢀInputꢀfrequencyꢀfromꢀ30ꢁ200ꢀMHzꢀꢀ
•ꢀOutputꢀfrequencyꢀfromꢀ60ꢁ800ꢀMHzꢀꢀ
•ꢀLowꢀphaseꢀnoiseꢀandꢀjitterꢀ(equivalentꢀtoꢀfundamentalꢀ
crystalꢀatꢀtheꢀoutputꢀfrequency)ꢀ
PhaseLink’sꢀAnalogꢀFrequencyꢀMultiplierTMꢀ(AFM)ꢀisꢀ
theꢀindustry’sꢀfirstꢀ‘BalancedꢀOscillator’ꢀutilizingꢀ
analogꢀmultiplicationꢀofꢀtheꢀfundamentalꢀfrequencyꢀ
(atꢀdoubleꢀorꢀquadrupleꢀfrequency),ꢀcombinedꢀwithꢀ
anꢀattenuationꢀofꢀtheꢀfundamentalꢀofꢀtheꢀreferenceꢀ
crystal,ꢀwithoutꢀtheꢀuseꢀofꢀaꢀphaseꢁlockedꢀloopꢀ
(PLL),ꢀinꢀCMOSꢀtechnology.ꢀ
•ꢀUltraꢁlowꢀjitterꢀ
oꢀRMSꢀphaseꢀjitterꢀ<ꢀ0.25ꢀpsꢀ(12kHzꢁ20MHz)ꢀ
oꢀRMSꢀperiodꢀjitterꢀ<ꢀ2.5ꢀpsꢀ
ꢀ
•ꢀLowꢀphaseꢀnoiseꢀ
PhaseLink’sꢀpatentꢀpendingꢀPL560ꢁxxꢀfamilyꢀofꢀAFMꢀ
productsꢀcanꢀachieveꢀupꢀtoꢀ800ꢀMHzꢀoutputꢀ
frequencyꢀwithꢀlittleꢀjitterꢀorꢀphaseꢀnoiseꢀ
deterioration.ꢀꢀInꢀaddition,ꢀtheꢀlowꢀfrequencyꢀinputꢀ
crystalꢀrequirementꢀmakesꢀtheꢀAFMsꢀtheꢀmostꢀ
affordableꢀhighꢁperformanceꢀtimingꢁsourceꢀinꢀtheꢀ
market.ꢀ
oꢀꢁ142ꢀdBc/Hzꢀ@100kHzꢀoffsetꢀfromꢀ155.52ꢀMHzꢀ
oꢀꢁ150ꢀdBc/Hzꢀ@10MHzꢀoffsetꢀfromꢀ155.52ꢀMHzꢀ
•ꢀHighꢀlinearityꢀpullꢀrangeꢀ(typ.ꢀ5%)ꢀ
•ꢀ+/ꢁꢀ120ꢀPPMꢀpullabilityꢀVCXOꢀ
•ꢀLowꢀinputꢀfrequencyꢀeliminatesꢀtheꢀneedꢀforꢀexpensiveꢀ
crystalsꢀ
•ꢀDifferentialꢀoutputꢀlevelsꢀ(PECL,ꢀLVDS),ꢀorꢀsingleꢁ
endedꢀCMOSꢀꢀ
•ꢀSingleꢀ2.5Vꢀorꢀ3.3Vꢀ+/ꢁꢀ10%ꢀpowerꢀsupplyꢀ
•ꢀOptionalꢀindustrialꢀtemperatureꢀrangeꢀ(ꢁ40°Cꢀtoꢀ+85°C)ꢀꢀ
•ꢀAvailableꢀinꢀ16ꢁpinꢀGREEN/RoHSꢀcompliantꢀTSSOP,ꢀ
andꢀ3x3ꢀQFNꢀ
ꢀ
PL560ꢁxxꢀfamilyꢀofꢀproductsꢀutilizeꢀlowꢁpowerꢀCMOSꢀ
technologyꢀandꢀareꢀhousedꢀinꢀGREEN/ RoHSꢀ
compliantꢀ16ꢁpinꢀTSSOP,ꢀandꢀ16ꢁpinꢀ3x3ꢀQFNꢀ
packages.ꢀꢀꢀꢀ
ꢀ
ꢀ
Figure 1: 2x AFM Phase Noise at 311.04MHz
47745ꢀFremontꢀBlvd.,ꢀFremont,ꢀCaliforniaꢀ94538ꢀꢀꢀTELꢀ(510)ꢀ492ꢁ0990,ꢀFAXꢀ(510)ꢀ492ꢁ0991ꢀwww.phaselink.com Rev.ꢀ02/09/07ꢀPageꢀ1ꢀ
PLL [ PHASELINK CORPORATION ]
