Analog Frequency Multiplier
PL560-xx VCXO Family
ꢀ
VOLTAGE CONTROL SPECIFICATION
PARAMETERS
VCXOꢀStabilizationꢀTimeꢀ
VCXOꢀTuningꢀRangeꢀ
SYMBOL
CONDITIONS
Fromꢀpowerꢀvalidꢀ
MIN.
ꢀꢀ
TYP.
MAX.
UNITS
msꢀ
TVCXOSTB
ꢀ
ꢀ
ꢀ
ꢀ10ꢀ
ꢀ
XTALꢀC0ꢀ/C1ꢀꢀ<300ꢀ
200ꢀ
ppmꢀ
ꢀ
VCON=ꢀ1.65Vꢀ±ꢀ1.65Vꢀ
XTALꢀC0ꢀ/C1ꢀꢀ<300ꢀ
CLKꢀOutputꢀPullabilityꢀ
ꢀ
±100ꢀ
±120ꢀ
ꢀ
ppmꢀ
Linearityꢀ
ꢀꢀ
ꢀꢀ
ꢀꢀ
ꢀꢀ
ꢀꢀ
5ꢀ
ꢀꢀ
10ꢀ
ꢀ
%ꢀ
kꢀ
VCONꢀInputꢀImpedanceꢀ
VCONꢀModulationꢀBWꢀ
ꢀꢀ
130ꢀ
25ꢀ
0Vꢀ<ꢀVCONꢀ<ꢀ3.3V,ꢀꢁ3dBꢀ
ꢀꢀ
ꢀꢀ
kHzꢀ
EXTERNAL COMPONENT VALUES
INDUCTOR VALUE OPTIMIZATION
ꢀ
Theꢀrequiredꢀinductorꢀvalue(s)ꢀforꢀtheꢀbestꢀperformanceꢀdependsꢀonꢀtheꢀoperatingꢀfrequency,ꢀandꢀtheꢀboardꢀ
layoutꢀspecifications.ꢀꢀTheꢀlistedꢀvaluesꢀinꢀthisꢀdatasheetꢀareꢀbasedꢀonꢀtheꢀcalculatedꢀparasiticꢀvaluesꢀfromꢀ
PhaseLink’sꢀevaluationꢀboardꢀdesign.ꢀꢀTheseꢀinductorꢀvaluesꢀprovideꢀtheꢀuserꢀwithꢀaꢀstartingꢀpointꢀtoꢀdetermineꢀ
theꢀoptimumꢀinductorꢀvalues.ꢀꢀAdditionalꢀfineꢁtuningꢀmayꢀbeꢀrequiredꢀtoꢀdetermineꢀtheꢀoptimalꢀsolution.ꢀꢀꢀ
ꢀ
Toꢀassistꢀwithꢀtheꢀinductorꢀvalueꢀoptimization,ꢀPhaseLinkꢀhasꢀdevelopedꢀtheꢀ“AFMꢀTuningꢀAssistant”ꢀsoftware.ꢀꢀ
YouꢀcanꢀdownloadꢀthisꢀsoftwareꢀfromꢀPhaseLink’sꢀwebꢀsiteꢀ(www.phaselink.com).ꢀꢀTheꢀsoftwareꢀconsistsꢀofꢀtwoꢀ
worksheets.ꢀꢀTheꢀfirstꢀworksheetꢀ(namedꢀL2)ꢀisꢀusedꢀtoꢀfineꢁtuneꢀtheꢀ‘L2’ꢀinductorꢀvalue,ꢀandꢀtheꢀsecondꢀ
worksheetꢀ(namedꢀL4)ꢀisꢀusedꢀforꢀfineꢀtuningꢀofꢀtheꢀ‘L4’ꢀ(usedꢀinꢀ4xꢀAFMsꢀonly)ꢀinductorꢀvalue.ꢀꢀꢀ
ꢀ
ForꢀthoseꢀdesignsꢀusingꢀPhaseLink’sꢀrecommendedꢀboardꢀlayout,ꢀyouꢀcanꢀuseꢀtheꢀ“AFMꢀTuningꢀAssistant”ꢀtoꢀ
determineꢀtheꢀoptimumꢀvaluesꢀforꢀtheꢀrequiredꢀinductors.ꢀꢀThisꢀsoftwareꢀisꢀdevelopedꢀbasedꢀonꢀtheꢀparasiticꢀ
informationꢀfromꢀPhaseLink’sꢀboardꢀlayoutꢀandꢀcanꢀbeꢀusedꢀtoꢀdetermineꢀtheꢀrequiredꢀinductorꢀandꢀparallelꢀ
capacitorꢀ(seeꢀLWB1ꢀandꢀCstrayꢀparameters)ꢀvalues.ꢀꢀForꢀthoseꢀemployingꢀaꢀdifferentꢀboardꢀlayoutꢀinꢀtheirꢀ
design,ꢀweꢀrecommendꢀtoꢀuseꢀtheꢀparasiticꢀinformationꢀofꢀtheirꢀboardꢀlayoutꢀtoꢀcalculateꢀtheꢀoptimizedꢀinductorꢀ
values.ꢀꢀPleaseꢀuseꢀtheꢀfollowingꢀfineꢀtuningꢀprocedure:ꢀꢀ
ꢀ
47745ꢀFremontꢀBlvd.,ꢀFremont,ꢀCAꢀ94538ꢀꢀTELꢀ(510)ꢀ492ꢁ0990,ꢀFAXꢀ(510)ꢀ492ꢁ0991ꢀꢀꢀ www.phaselink.comꢀꢀꢀꢀꢀRev.:02ꢁ09ꢁ07ꢀꢀPageꢀ5ꢀꢀ
PLL [ PHASELINK CORPORATION ]
