石英晶体建模

摘要：本应用笔记，描述一个建模晶体负载电容的方法。

Maxim/Dallas>AppNotes>GENERALENGINEERINGTOPICSHIGH-SPEEDINTERCONNECTOSCILLATORS/DELAYLINES/TIMERS/COUNTERSKeywords:crystaloscillator,quartzcrystal,loadingcapacitor,loadingcapacitance,pullingrange,crystal,Jun16,2003circuitmodel,frequencyvariation,synthesizerAPPLICATIONNOTE2127ModelingofQuartzCrystalThisapplicationnote,describesamethodformodelingacrystal,withloadingcapacitance.Clockgenerator(CLKgen)designerscanuseacrystalmodeltoeasilydeterminetheloadingcapacitanceforarequiredfrequency.Circuitandsystemdesignercanusethemodeltosimulatethebehaviorofcrystaloscillators.Tomodelacrystal,weuseasimplecircuittomeasuretheoscillationfrequenciesunderdifferentloadingcapacitance.Then,