电子设备电磁兼容分析及设计技术

TEL:[phone]FAX:[phone]E-Mail:[e-mail]2005921.2.3.4.1.2.3.4.5.•••6.2005931.••2.••••3-W20H•3.••••2005941.2.••••3.••••••••200595•••1231.I/O•••2005961.•••2.••Hartin1.2.3.4.5.12200597200598EMCLANDataModuleFlatCableLANInterfaceSwitchModuleOpticalFiberCrosstalkCoaxialTwistedPairElectricalTransportationMobileRadioIgnitionTelephoneLinesPowerLinesLightningAppliancesMedicalEquipmentLightArmatureRadio&TVBroadcastsESDELECTRONICSYSTEM200599nHEMPnHPM0.01-1W/cm2,0.01-1W/cm2,10-100W/cm2,1000-10000W/cm2nnFCGn“”n,n—n200591020059112005912200591320059142005915EMSEC,TEMPEST,COMPROMISINGEMANATIONS20059162005917200591820059191.2.3.4.5.•••6.2005920n123nn2005921EMI2005922R.C.E.EMCEMIEMSULI/CSAEN60950IEC950FCCMILEUEN55022CISPR22EN61000-3-2EN61000-3-3EN61000-4-XR.C.E.2005923n1EMI2EMSEMIESDEOS,2005924()()200592520059262005927EMCEMCEMCEMC2005928•••1234•:,2005929VHDLICPCB2005930PCBPCB2005931••——,,——,2005932130~300500/60~800.1150KHz14KHZ1GHZ10K1G2005933200593420059352005936200593720059382005939TTL0.5~1.55-10TTL220TTLRAMDRAM100MA100MHzI/O2005940200594120059422005943nnEMnnn20059442005945S3V3V2EMI,)VoS1V1S22005946nn+nn2005947EMC1.2.POEEMIPOE1.2.3.4.5.2005948•123••31000.5••pl2rl22Drpl2rlpl222Dr20059490.1110101001k10k3773211ErHr→→2311ErHr→→11ErHr→→2005950)()(40222wlIPmlp=)()(1602224wSIPmlp=)(90222wlUPml=200595112122VRCjVv=1122IMjew=200595212122VRCjVv=20059531122IMjew=20059542005955e2005956VV20059572222JIIErrrspsp===J=σEs)11(2121212rrIV-=Φ-Φ=prr1r2I20059581.nn2.nnnn3-W20Hn3.nnnn2005959123456I/O789200596012ICLSI3LSI4520059612005962—I/O200596320059642005965200596612ICXYX/Y32005967ABCDEF4562005968nFCCCISPRVDEDOCVCCIMIL-STDRCTAEMIn5-102-3CNACSEM5100:,,(EMS)n()()6DiiPfPfdBPPRC-≥=⋅⋅()()20DiPfPfdB-≥2005969n20%n22212nIIII=+++L2005970t0AtdTtr2005971()01cos2pnntVtVCTTtf∞⎛⎞=++⎜⎟⎝⎠∑prntnTtf+⎛⎞=-⎜⎟⎝⎠()()0000sinpsinp2pprrrnrrtttnnTTttCVtttTnnTT+⎡⎤⎡⎤⎢⎥⎢⎥+⎣⎦⎣⎦=+t=+ttr0200597210dB1201020dB400.010.11101001000MH160f=1/801prft=2005973CVn≈20t02pnVCf≈02222pnrVCft≈1pft=1prft=2005974+20dB-20dB-40dB1pt1pt2005975+20dB-20dB0dB1pft=1prft=20059762005977n⎪⎪⎪⎩⎪⎪⎪⎨⎧∇-⎥⎦⎤⎢⎣⎡∇-∇-+Ι∇⎥⎦⎤⎢⎣⎡∇∇-+Ι∇--Ι=ttttttptttpttttttttti)(cos120)(cos122/)(000)1(2)]1(2sin[)22()22(sin1)22()(02ptwpptwpttwttwptwttpwwt∇-∇-×∇-⎥⎦⎤⎢⎣⎡∇-×∇+∇-Ι=Ι-je333222111212212)(21ffffffpwtpwtpwtt=∇==∇==∇-=200597820059792005980nnnn()()()20logdBPRRMHzdBMHzVVmm-=20059812CLfll=2rdtt00IVRlILltΔΔ=×Δ+Δ20059822005983PCB20059842005985100:12005986nnnPCBRFnn20059872005988200598912122005990122005991142362mils1.6mm4.31(oz)5.0mils(0.13mm)110796.0mils(0.15mm)105748.0mils(0.20mm)976610.0mils(0.25mm)90602005992123462mils1.6mm4.31(oz)5.0mils(0.13mm)84686.0mils(0.15mm)79638.0mils(0.20mm)715710.0mils(0.25mm)6552200599312362mils1.6mm4.31(oz)5.0mils(0.13mm)84596.0mils(0.15mm)79558.0mils(0.20mm)714910.0mils(0.25mm)6544200599423451662mils1.6mm4.31(oz)5.0mils(0.13mm)9968586.0mils(0.15mm)9463548.0mils(0.20mm)86554810.0mils(0.25mm)79504320059951342½½1,42362mils1.6mm4.31(oz)5.0mils(0.13mm)7250546.0mils(0.15mm)6846508.0mils(0.20mm)60404410.0mils(0.25mm)54353920059961562½½3462mils1.6mm4.31(oz)5.0mils(0.13mm)9968586.0mils(0.15mm)9463548.0mils(0.20mm)86554810.0mils(0.25mm)795043200599713.3V2365.0V4562mils1.6mm4.31(oz)5.0mils(0.13mm)8858506.0mils(0.15mm)8453468.0mils(0.20mm)75464010.0mils(0.25mm)69413520059981123456789102S1GS2P42S1GPS264S1GS2S3PS464S1S2GPS3S4S263S1GS2PGS3S1S286S1S2GS3S4PS5S6S2S384S1GS2GPS3GS4EMC106S1GS2S3GPS4S5GS6EMC,S42005999200591002005910120059102n400mm200mm.162005910314733.3V11.5V0.018mm0.035mm0.13mm0.23mm3.9PCBI/O200591043-W3W,200591052005910620Hn20-H20-H20H3mm20059107nnL0.05,;L0.15,;0.050.15,L0.2520059108nnnn20059109⎪⎪⎩⎪⎪⎨⎧≥≈===rfrlrffrlrlAlRdprdsmpprdprr020222[]⎥⎦⎤⎢⎣⎡-⎟⎠⎞⎜⎝⎛=75.04ln303.2002.0dSSHLm[]⎥⎦⎤⎢⎣⎡⎟⎠⎞⎜⎝⎛+++⎟⎠⎞⎜⎝⎛+=StWtWSSHL2235.05.02ln303.2002.0m200591101M200591110.052005911220059113200591142005911520059116—2005911720059118V+V-V+V-20059119I/O20/l2005912020059121EMC1.2.****3.********20059122nnnnn121+n123+n1212+-nn20059123nn6mm15nHnnnnVLSIRF0.10.00150MHz0.01100PFnv=1LC20059124nVLSIRFtr5ns0.10.00150MHz0.01100PFnnEMILSIVLSII/Odc20059125nnSMT(ESL)(ESR)ESL10nHESR0.5()nZ5U1MHz20MHz()50MHznNPONPO10MHznZ5UNPOZ5UNPO50MHzZ5U200591262005912720059128n(1)(2),(3)(4)(5)nPSWnnmaxVXIΔ=ΔmaxXpswLmax(2)pswpswFXLp=1(2)bypasspswCLp=20059129nPCB100CMOS(N)10PF,5ns100nH()()n159KHz10100nESL)AnsVPFtvNCI0.155)10(100=×=ΔΔ=ΔVV100.0=ΔΩ=ΔΔ=1.0maxIVXnHLpsw100=KHznHLXFpswpsw15910021.02max=Ω==ppFXFCpswbulkmp1021max==200591302005913120059132200591332005913420059135ABC20059136200591372005913820059139nnnnnnnnn20059140,ftrmax=1ptrffsignificant=10maxCtZpflengthpd001000=⎛⎝⎜⎞⎠⎟XfCc=12plttrpdmax'=2ltcmrmax=×9ltcmrmax=×7LZC0020=1.0170.4750.67pdrte=+(ns/ft)20059141WTH)8.098.5ln()414.187(TWHZro++=e)8.098.5ln()41.187(TWHEZro++′=6560≤≤K⎥⎦⎤⎢⎣⎡-=′)55.1(1HBerreeWHTZYZYZ02=+)8.0(67.0)2(9.1ln))(41(800wTwTHTDHHZr++++-=pe200591421.0170.4750.67pdrte=+(ns/ft)⎟⎟⎠⎞⎜⎜⎝⎛=001000ZtCpdPF/00CLtpd=000CLZ=rtrpdtlt×′×22005914301CCttdpdpd+=′dC0001CCZZd+=′ccZZZZ+-=r))()(()()()(xIxIZxVxVxVc-+-+-=+=20059144n5ns56()6pfw=0.010H=0.012T=0.002123420.30ns/