文档介绍：EMC--1-(EMC,电磁兼容):Abilitytooperatein,andnotoverlycontributeto,,allelectronicequipmentsoperatecorrectlyinoneanother'spresence. icinterference(EMI,电磁骚扰):icenergyemanatingfromonedevicecausingdegradedperformanceinanother. icimmunity,orsusceptibility(EMS,电磁抗扰)::patibilityThecapabilityofelectricalandelectronicsystems,equipment,icenvironmentwithinadefinedmarginofsafety,atthespecifiedlevelofperformance,=EMI+EMS传导:通过电源网络、信号线等。辐射:通过空间电磁波。(EMI):EN55011RFEmission;Radiated(辐射发射)EN55011RFEmission;Conducted(传导发射)EN61000-3-urrentsemissions(谐波)EN61000-3-3voltagefluctuationsandflicker(电压波动和闪烁)IMMUNITY(EMS)EN61000-4-2ElectrostaticDischarge(ESD,静电放电)EN61000-4-3Radiated,radio-frequency,icfield(RS,辐射抗扰)EN61000-4-4Electricalfasttransient/burst(EFT/B,电快速脉冲串)EN61000-4-5Surge(浪涌)EN61000-4-6conducteddisturbances,inducedbyradio-freqencyfields(传导抗扰)EN61000-4-icfield(工频磁场)EN61000-4-11Voltagedips,shortinterruptionsandvoltagevariations(电压跌落、中断和电压变化):EN60601-1-2:2001产品标准引用基础标准取代EN60601-1-2:1993过渡期:2004年11月起草中的国标,基本等同采用EN60601-1-2:2001FDA的需求基本等同于EN60601-1-2:;Radiated(辐射发射)EN55011RFEmission;Conducted(传导发射):使用场地和预期用途。EN55011分类:CLASSA:不直接连接到公用和住宅电网(工业)CLASSB:直接连接到公用和住宅电网(家用)GROUP1:不直接利用电磁能量,如监护仪。GROUP2:直接利用电磁能量,如高频熔炉等。我公司产品:目前:CLASSAGROUP1(超声:CLASSB)趋势:CLASSBGROUP1限值:CLASSB=CLASSA-10dB10.