1. 首页
  2. 课程学习
  3. 嵌入式
  4. 实用的PICmicro振荡器的分析与设计

实用的PICmicro振荡器的分析与设计

上传者: 2022-10-11 23:18:37上传 PDF文件 569.63 KB 热度 10次

Thereisawealthofinformationwrittenonthesubject

ofdesigningandanalyzingoscillatorcircuits.Sources

rangefromacademicandresearchpaperstoindustry

generatedapplicationguides.Itisadauntingtaskfor

theembeddeddesignertoworkthroughalltheavail-

ableandsometimesconflictinginformation.Allthe

designerisreallyinterestedinisasimplesetofrules

resultinginareliableoscillatordesignthatwillwork

despitecrystalaging,deviationsbetweendevices,

temperatureorvoltage.Theproblemisthesimple

CrystalPierceGateOscillator(Figure1)hasa“simpli-

fied”model(Figure2)thatisanythingbutsimple.None

ofthevaluesarefixed.Somevarywithprocess,age,

temperatureandvoltage.Somecomponentshavea

nonlinearbehaviorwithamplitude.AN943PracticalPICmicroOscillatorAnalysisandDesignThepurposeofthisdocumentistoexplainthemostAuthor:RuanLourenscriticalaspectstodesigningandanalyzingareliableMicrochipTechnologyInc.PICmicroMCUbasedoscillator.Note:ReadingapplicationnotesAN826,CrystalOscillatorBasicsandCrystalSelectionforINTRODUCTIONrfPICandPICmicroDevicesan

用户评论