资源描述：
《Design of crystal oscillators 水晶振荡器电路设计课件》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、19-01C439-01C432LEUVENLEUVENwilly.sansenwilly.sansenWillySansenwilly.sansen@esat.kuleuven.ac.beKULeuven,ESAT-MICASLeuven,BelgiumDesignofcrystaloscillatorsOscillationprinciplesCrystalsSingle-transistoroscillatorMOSToscillatorcircuitsBipolar-transistoroscillatorcircuitsOtheroscillators◆◆◆◆◆◆Tableof
2、contentse))Vw1.09-01C4339-01C434ew³)Vouto)F(j)
3、LEUVENw)V)A(jwwLEUVENww=0Fwilly.sansenwilly.sansen=A(j=A(jF=0=F(jf=F(jfe)
4、
5、F(jPositiveFB!=0=0outVVVw+resVAcirc1circircFZZ=+Y++Zsetstheminimumgain!setsthefrequency!=
6、A(jresoutcircres1ZresZcircZVfefeYVVVV+Y)=0)=0resresresY+Z+Zcirccirc))ww(Z(Z=0orifcirc
7、uitF(jA(jZinReImeVSfVinVTheBarkhausencriteriumSplitanalysisresonatorOscillationifOscillationifVZ29-01C4359-01C436ImLEUVEN+LEUVEN2willy.sansenwilly.sansenReImRe)=f
8、
9、=tg(Re))ffcos(sin(
10、
11、f=
12、
13、=
14、
15、ReImOscillationprinciplesCrystalsSingle-transistoroscillatorMOSToscillatorcircuitsBipolar-transistoroscill
16、atorcircuitsOtheroscillatorsIm◆◆◆◆◆◆Amplitude,phase,Real&ImaginaryTableofcontentssss)555CCwsss1s19-01C4379-01C4381LRWQQCp=200CLEUVEN2s=LEUVEN»=wsfsQRwilly.sansenswilly.sansen4.55wspinMHzifdinmm»rsss6pF(1Cfses1wLC=10MHz=0.03pF»1CssspQC8pF3.4pF8.5pF0.8105.3101.210sCfL=sWWers1R==5.3ssW0d2=wRRess=dwL
17、QXtal:Q=10CC1.66=A=pfsCsC8.4mH»s(series)ssRLRsLdsssCC1wsp(package,parallel)pCsCsCLL=swssLf100kHz1MHz10MHz10mH52H26fF49fF2H56fF40024CrystalasresonantorquartzCrystalparametersf9-01C4399-01C4310o-90LEUVENCap.LEUVENCRfrwilly.sansenwilly.sansen)fLpo+CInd.s+90ssCR1ps
18、Z
19、ppC1LC+1s+CpsCs2CsCfsR=s+1](Cfprs
20、Rfo++fsspp+90CCssInd.L+C2CsfrssCL2os[sLCRCap.s-90R(s)
21、sR(s)=s
22、ZSeriesandparallelresonance
23、Z
24、CrystalimpedanceZ)s1C9-01C43119-01C4312+p1CW(LEUVENLEUVENs1L0.52Hwilly.sansenwilly.sansen=1.998MHz=12.2fF»=4.27pF=82=ssspsfsCLCR2pwsw-wwCrystaloperatesininductiveregionifcircuitiscapacitive!sCFrequencypull
25、ingfactorp=1sLseriesparallel=2sswwwinduct.soCp901sf2jwww2(-)spww+ssfs--LsjCs2pC22wwcapac.wwjwop+++j-90-jCsssWwWooo)=R)=R)=R100k1001000-100)=w(w(w(1.971.981.992.002.012.02MHzw(ssZsCrystalimpedanceatresonance
26、Z
27、(Z)Series
