电子系统设计06_模拟系统及其单元电路

13.13.23.33.423.13.11.2.3.4.3¾ICL80383.23.21.ICL8038:+10~+30V5~15V0.001Hz-300kHz250ppm/1%0.1%D=2%98%V+/5RO1kV+0.2VOCV+/3RO20043.22.ICL8038:53.23.ICL8038:63.24.ICL8038:I1I2(I1)C10(V+/3)45I1I2OC28273.25.ICL8038:83.293.2RARB10K1000:1103.2¾CD4060(14/)1.CD4060:ƒƒƒRC113.22.CD4060:123.23.CD4060:133.24.CD4060:NOTE:R2=2R1~10R1T=2.2R1CCXTAL=C1+C2+CSTRAY()RCRS143.21Hz153.2163.2¾CD4046PLL:1.::PD:(PhaseDetecter)LF:(LoopFilter)VCO:(VoltagecontrolOscillator)173.2:3()sin[()]iimiivtVttωθ′=+()cos[()]oomoovtVttωθ=+sin[()()]imoioiVtttωωωθ′=+−+sin[()]imoiVttωθ=+θi(t)ωot()()()dmiovtKvtvt=1sin[()()]2mimomioKVVttθθ=−sin[()]deKtθ=θe(t){2ωo}183.2()sin[()]ddevtKtθ=0()30etθ≤sin[()]()eettθθ≈()()ddevtKtθ≈::0()()ooctKvtωω=+K0:VCO193.22.CD4046CD4046:CMOSMicropowerPLLalowpowerlinearVCOtwodifferentphasecomparatorsa5.2Vzenerdiode:3V18V:100MΩ:70µW(typ.):1.4MHz(typ.)203.212345VCO67816910FM1112131415213.23.CD40469VCOR1VCO420Hz2kHz223.210kHz400Hzf0VCO233.2100100243.24.()/ORRfNfRNfR==253.33.3¾µA741(±18V2*105)747LM358(3~30V,±1.5V~±15V,105)LM324(32,±16V,105,1MHz)CA3140(36V,±18V,105,Ri=1.5TΩ,4.5MHz,9V/µs,)LF353(±18V,105,Ri=1012Ω,4MHz)LF353(4MHz,SR=13V/µs,5mV)OP07(±3~±18V,4*105,1.2MHz,60µV,3~36V)ICL7650(±7.5V,5*106,1012Ω,0.7µV,,2MHz)26TL081()/082()/084()(±18V,2*105,3mV,1012Ω)13V/µs4MHzBI-FET3.3NE5532()±5~±15V,106,0.5mV,10MHz,300kΩ()NE5534()273.3LF353Datasheet283.3293.330¾1.™fuRAR=−0oR≈iRR=//fRRR′=122/(/)FidoRrrF=FRFRR=+ƒRF(1M)ƒRRiƒfHAuGBW()[]3.3313.3LF353GBW4MHzAu40dB(100)f40kHzSR()SR13Vµs2sin()OOmuUftπ=22cos()OOmduUfftdtππ=2maxmaxOOmduUfdtπ=SR≤2maxOmSRUfπ∴≤102maxOmSRUVfπ≤=fmax200kHz323.3™1()fOIRuuR=+//fRRR′=iR∞0oR122/(/)FodidoRArr=ƒRiƒuiC=uiƒR=∞RF=0Au=1——ƒuiCCMRRƒuCdOCCiCiCCdddUAUUuAACMRR===5101010010010()VVdBµ==333.3™121()fIIOuRuuR−=−12idRR=112()iFCRRR=+ƒ/RiƒƒAuUi1Ui21212()fIIOuRuuR−=−ƒ34¾iou/3.3RUoRRRX351.Ui+Ui-R1RGR110k10k10k10k10k10k200100k100k10k+-+--+12311GOIGRRUUR+=UO1UO2UI-0UI+UI12OIGRUUR=−A3UOU0=Aud(UI+–UI-)3.321OOOUUU=−1(12)IGRUR=−+1(12)udGRAR=−+36CMRRUi+Ui-R1RGR110k10k10k10k10k10k200100k100k10k+-+--+123UC,,RGUC,,U01=U02=UC,1,1udMRRucACA=112()GRR=+131312()GMRRMRRMRRMRRCRRCCC==+iRiRi3.3373.3¾RC1.RC2.LPFHPFBPFBEF383.3.34.()(Bueeerwoth):(Chebyshev):(Elliptic):BesselLinearPhase….393.35.n:1110()vnnnAASSaSaSa−−=++++//CCSsjωωω==™11oviUAUsRC=+1(1)vFARR=+1CRCω=403.3™9(VCVS)RiRoVCVS2()1vCCAAsss()ωωQ=++21211CωRRCC=Av=1+R4/R3Q=0.7073.3kri10(R1+R2)Aod50AvatωCAv23.39(MFB)R2C1MFB2()1vCCAAsss()ωωQ=++22311CωRRCC=Av=-R2/R1RPQ=0.707ri10(R3+R1//R2)3.36.s1/s9(VCVS)ri10R2Aod50Av3.39(MFB)3.37.2201sssBWω+=3.33.38.P503.7fHfLFilterLab2.0P688483.43.4----¾LM311(0.7mV200ns)LM339(2mV1300ns)LM306(1.6mV28ns)493.41.LM339OC3-15kΩ0VV+-1.5V503.4513.4522.LM3113.45661OC1GNDorVEE533.4543.4553.43.LM306563.4LM306573.4583.4¾—1.V-I“”“”ILSVIR=593.42.V-I22OIaVVV=+A2A1R1R2R3R421(1)2baaOIRVVVVVR=+==+bOOOVVIR−=IOVR=ROV-I603.43.0-10V4-20mAA10~10V0~-1.6VRP2-4VA2VT1613.44.V-IXTR101105106108110115116PRECISIONV-TO-ICONVERTERXTR110:ƒ4mATO20mAƒ:0Vto+5V,0Vto+10VInputs0mAto20mA,5mAto25mAOutputsƒ+10Vƒ:13.5Vto40V623.4633.4643.4P63653.4¾—(VFC)ADCLM331V/FF/VFeatures•:0.01%max.•:15mWat5V•:1Hzto100KHz••:10KHz100dB663.4TypicalApplications(VFC)673.4TypicalApplications(FVC)683.4693.4¾1.NE567NE567/FEATURES•(.01Hzto500kHz)••(upto14%)•100mA•20:1703.42.NE567713.43.0111fRC≈R12~20kC12C2(%)021070IVBWfC≈VI:20200mV723.43.Dual-ToneDecoder733.4/