4046锁相环功率超声电源的频率跟踪电路

302()Vol130No.220104JOURNALOFSUZHOUUNIVERSITY(ENGINEERINGSCIENCEEDITION)Apr.2010:2009-10-20:(1985-),,,:1673-047X(2010)-02-0067-04,,(,215021):,,,,,:;;;CD4046:TP29:A0,,,,,,,,1kHz,[1],,,CD4046,,1(a)(b)(c)1,1(a)C0,,C1L1R1,,,C1L1R1C0,C1L1R1[2],=1L1C1,R1,1(b),C0,,,1(c)[2],68()30L=C0R211+2C20R21(1),,,,,2(PLL),,,3:()PDVCORCLPF[3]2,,,22H(S)=KdKoF(S)S+KdKoF(S)(2),Kd,;Ko,Ko/SVCO;F(S)2.1CD4046CD4046CMOS,318V,100M,CD4046()3,43CD404643C2R13R14D1,VCO,,,C2,1VCC,VCOfmaxfminfmaxfmin,,,,R13R141020,1,D13,2,,:692.23CD4046,Kd,VCC;VCOR11R12C1;K0;,R1R2C(1)KdCD4046PDF,KdKd=VCC4(3),VCCCD4046(2)VCO16,VCO11R1112R1267C19,VCOfminfmax[4]:fmin1012R12(C1+32)(4)fmax1012R11(C1+32)+fmin(5)(4)(5),10kR111M,10kR121M,100pFC10.01F,C1pF12,R12,fmin=0(3)K0Ko=2(fmax-fmin)Umax-Umin(6),UmaxUminVCOfmaxfminVCC=10V,UmaxUmin9V1V5(4)(LPF),13Ui9Uo,5,PLLF(S)=Uo(S)Ui(S)=2S+1(1+2)S+1(7),1=R1C;2=R2C[3],R1=470,R2=47,C=0.1FR2R110%30%,H(S)=1012VCCR2CS+118R11(C1+32)(R1+R2)CS2+[18R11(C1+32)+1012VCCR2C]S+1(8)63,,,R6(R6=1),,70()30,CD4046146D1D2,,,D6,,,CD40463,144,CD40467IGBT,CD4046VCO,UO,,GH25020E,11.8nF,20kHz,,,,,,;,,1,,7/kHz/kHz/kHz202020119.44819.450200.7819.44819.45019.4500.9925CD4046,,,,[1],,.[J].,2000,33(3):375-377.[2],.[J].,2004,2(5):11-14.[3],.CD4046[J].,2003(6):14-16,19.[4].CD4046[J].,2003(6):30-32.(77)2,:ARM77LCD,RS232:BP,,,,4ARMS3C2410Linux,,,,[1],.ARM9[M].:,2008.[2],,,.ARMLinux[M].:,2006.[3],,,.[M].:,2003.[4].[M].:,2007.DesignoftheWeightTransferAnalyserforGolfPlayerBasedonARMLiuJingjing,QuBo(SchoolofElectronicsandInformation,SuzhouUniversity,Suzhou215021,China)Abstract:Asystemwhichdetectsandanalyzestheweighttransferintheprocessofagolfswingisintroducedinthispaper.MicroprocessorS3C2410,basesontheARM9TDMI,isusedasthekernelofthesystem,andLinuxisusedastheembeddedoperatingsystem.Thesystemwillachievesuchgoalsascollecting,storing,displaying,outputtingandidentifyingcategoricallytheweightsignalwiththePC.Thedesignproposalforboththesystemhardwareandsoftwareandthedetailsofthedesignforsystemhardwareareintroducedinthispaper.Keywords:MicroprocessorS3C2410;Linuxsystem;weighttransfer(70)Frequency2trackingCircuitofSupersonicPowerMaLi,LiYi,LiZusheng(SchoolofMechanicalandElectricalEngineering,SuzhouUniversity,Suzhou215021,China)Abstract:Supersonicpowerisusedwidelyinmanyareas.Becauseofdriftofresonantfrequencyoftransducerthatisthekeydevice,thesupersonicpowerisneededtotrackresonantfrequencyoftransducer.Thispaperpresentsafre2quency2trackingmethodbasedonphase2locked2loop(PLL),anddesignsfrequency2trackingcircuitandparametersofcircuit,designssimulationexperimenttoprovethemethodandfrequency2trackingcircuit,andsupplyhelptofrequen2cy2tracking.KeyWords:supersonicpower;frequency2tracking;PLL;CD4046