电子设备电磁兼容分析及设计技术

TEL:[phone]FAX:[phone]E-Mail:[e-mail]2005621.2.3.4.1.2.3.4.5.•••6.2005631.••2.••••3-W20H•3.••••2005641.2.••••3.••••••••200565•••1231.I/O•••2005661.•••2.••Hartin1.2.3.4.5.122005673412EMI3EMIEMI4EMI5200568200569V.CV.P2005610α-2005611R.C.E.b-T.Q.C.2005612EOL2005613R.C.E.EMCEMIEMSULI/CSAEN60950IEC950FCCMILEUEN55022CISPR22EN61000-3-2EN61000-3-3EN61000-4-XR.C.E.2005614VHDLICPCB2005615PCBPCB20056162005617EMCLANDataModuleFlatCableLANInterfaceSwitchModuleOpticalFiberCrosstalkCoaxialTwistedPairElectricalTransportationMobileRadioIgnitionTelephoneLinesPowerLinesLightningAppliancesMedicalEquipmentLightArmatureRadio&TVBroadcastsESDELECTRONICSYSTEM2005618nHEMPnHPM0.01-1W/cm2,0.01-1W/cm2,10-100W/cm2,1000-10000W/cm2nnFCGn“”n,n—n2005619200562020056212005622EMSEC,TEMPEST,COMPROMISINGEMANATIONS2005623200562420056251.2.3.4.5.•••6.2005626n123nn2005627n1EMI2EMSEMIESDEOS,2005628••——,,——,2005629130~300500/60~800.1150KHz14KHZ1GHZ10K1G2005630TTL0.5~1.55-10TTL220TTLRAMDRAM100MA100MHzI/O2005631•••1234•:,2005632nnEMCnnn2005633S3V3V2EMI,)VoS1V1S22005634nnnn20056351.2.POEEMIPOE1.2.3.4.5.2005636•123••31000.5••pl2rl22Drpl2rlpl222Dr20056370.1110101001k10k3773211ErHr→→2311ErHr→→11ErHr→→2005638)()(40222wlIPmlp=)()(1602224wSIPmlp=)(90222wlUPml=2005639•••12122VRCjVv=1122IMjew=200564020056412005642e2005643VV2005644••2222JIIErrrspsp===J=σEs)11(2121212rrIV-=Φ-Φ=prr1r2I20056451.nn2.nnnn3-W20Hn3.nnnn2005646123456789200564712ICLSI3LSI45200564812ICXYX/Y32005649ABCDEF452005650nFCCCISPRVDEDOCVCCIMIL-STDRCTA5-102-3CNACSEM5100n()()6DiiPfPfdBPPRC-≥=⋅⋅()()20DiPfPfdB-≥2005651n20%n22212nIIII=+++L2005652t0AtdTtr2005653()01cos2pnntVtVCTTtf∞⎛⎞=++⎜⎟⎝⎠∑prntnTtf+⎛⎞=-⎜⎟⎝⎠()()0000sinpsinp2pprrrnrrtttnnTTttCVtttTnnTT+⎡⎤⎡⎤⎢⎥⎢⎥+⎣⎦⎣⎦=+t=+ttr0200565410dB1201020dB40MH0.010.11101001000160f=1/802005655CVn≈20t02pnVCf≈02222pnrVCft≈1pft=1prft=20056562005657n⎪⎪⎪⎩⎪⎪⎪⎨⎧∇-⎥⎦⎤⎢⎣⎡∇-∇-+Ι∇⎥⎦⎤⎢⎣⎡∇∇-+Ι∇--Ι=ttttttptttpttttttttti)(cos120)(cos122/)(000)1(2)]1(2sin[)22()22(sin1)22()(02ptwpptwpttwttwptwttpwwt∇-∇-×∇-⎥⎦⎤⎢⎣⎡∇-×∇+∇-Ι=Ι-je333222111212212)(21ffffffpwtpwtpwtt=∇==∇==∇-=200565820056592005660200566120056622005663nnnn()()()20logdBPRRMHzdBMHzVVmm-=20056642CLfll=2rdtt00IVRlILltΔΔ=×Δ+Δ2005665200566620056672005668nnnnnnnn20056691123456789102S1GS2P42S1GPS264S1GS2S3PS464S1S2GPS3S4S263S1GS2PGS3S1S286S1S2GS3S4PS5S6S2S384S1GS2GPS3GS4EMC106S1GS2S3GPS4S5GS6EMC,S420056702005671n400mm200mm.16200567214733.3V11.5V0.018mm0.035mm0.13mm0.23mm3.9PCBI/O200567320056742005675+20dB-20dB-40dB1pt1pt2005676+20dB-20dB0dB1pft=1prft=20056773-W3W,2005678200567920Hn20-H20-H20H3mm2005680─────────2005681nnnL0.05,;L0.15,;0.050.15,L0.252005682nnnn2005683⎪⎪⎩⎪⎪⎨⎧≥≈===rfrlrffrlrlAlRdprdsmpprdprr020222[]⎥⎦⎤⎢⎣⎡-⎟⎠⎞⎜⎝⎛=75.04ln303.2002.0dSSHLm[]⎥⎦⎤⎢⎣⎡⎟⎠⎞⎜⎝⎛+++⎟⎠⎞⎜⎝⎛+=StWtWSSHL2235.05.02ln303.2002.0m20056841M20056850.0520056862005687—2005688V+V-V+V-2005689I/O20/l20056902005691EMC1.2.****3.********2005692nnnnn121+n123+n1212+-nn2005693nn6mm15nHnnnnVLSIRF0.10.00150MHz0.01100PFnv=1LC2005694nVLSIRFtr5ns0.10.00150MHz0.01100PFnnEMILSIVLSII/Odc2005695nnSMT(ESL)(ESR)ESL10nHESR0.5()nZ5U1MHz20MHz()50MHznNPONPO10MHznZ5UNPOZ5UNPO50MHzZ5U200569620056972005698n(1)(2),(3)(4)(5)nPSWnnmaxVXIΔ=ΔmaxXpswLmax(2)pswpswFXLp=1(2)bypasspswCLp=2005699nPCB100CMOS(N)10PF,5ns100nH()()n159KHz10100nESL)AnsVPFtvNCI0.155)10(100=×=ΔΔ=ΔVV100.0=ΔΩ=ΔΔ=1.0maxIVXnHLpsw100=KHznHLXFpswpsw15910021.02max=Ω==ppFXFCpswbulkmp1021max==20056100nnnnnnnnn20056101,ftrmax=1ptrffsignificant=10maxtpdr=1017.eCtZpflengthpd001000=⎛⎝⎜⎞⎠⎟XfCc=12plttrpdmax'=2ltcmrmax=×9ltcmrmax=×7LZC0020=20056102WTH)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++++-=pe2005610367.0475.0017.1+=rpdEt(ns/ft)opdCLlt0=⎟⎟⎠⎞⎜⎜⎝⎛=001000ZtCpdPF/00CLtpd=000CLZ=rtrpdtlt×′×220056104200561052005610601CCttdpdpd+=′dC0001CCZZd+=′ccZZZZ+-=r))()(()()()(xIxIZxVxVxVc-+-+-=+=20056107n5ns56()6pfw=0.010H=0.012T=0.002123420.30ns/in5in=3.00ns5nsΩ=⎟⎠⎞⎜⎝⎛+×ו+=⎟⎠⎞⎜⎝⎛+××⎟⎟⎠⎞⎜⎜⎝⎛+=4.692108.01298.5ln41.17.4878.098.5ln41.1870TwHZreftnsttrpd/73.167.0475.0017.1=+==6/=(66pf)/5in=7.2pf/indCdCinpfZtCpd/08.24.69/73.1/00===innsCCttdpdpd/30.008.22.71144.010=+=+=′pdtrt≤27.4=re20056108n2ns105()10pfw=0.010H=0.020T=0.0014123420.282ns/in10in=5.64ns2ns5=5/=(510pf)/10in=5pf/indCdCinpfZtCpd/85.37.50/18.2/00===pdtrt≤26.4=re()()Ω=⎥⎥⎦⎤⎢⎢⎣⎡+×××⎟⎟⎠⎞⎜⎜⎝⎛=⎥⎥⎦⎤⎢⎢⎣⎡+××⎟⎟⎠⎞⎜⎜⎝⎛=7.5064.18.0667.0204ln6.4608.067.04ln600ppewTwHZrftnstrpd/18.2017.1==einnsttpdpd/822.058.3/0.51=+=′20056109nn2ns1030MHznnnfccpl21=20056110nnnndsZZR-=02005611120056112•0ZR=•Ω••20056113nnnnn02ZR×=20056114nnnnn,nn20056115nnnnnn20056116nnnnnn20056117200561182005611920056120nnnn20056121n(X)(Y)n,20056122nnnnnn200561231234PCB5()65MHzn20056124W0.57WWW20056125n2nsCAD90n9045n90(45)57n10GHz10GHznn∫•→SdBLvv)90()900(00=••qqdSBSdBvv20056126PCB20056127——••PCBEMI20056128nnnn()[]1ln2021221+--CWRWCCRv20056129CADn6070nCADSCAECAMCATCAQnEDAProtelTangoSchematicAutotraxnEDAEDAPCBViewlogicISIS20056130EDAnVHDL19811985IEEE-1076nnHDLVHDLVerilogAbelnEDAVerilog-A“/”ATTSIMMSX2005613