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电磁兼容emc
喀砺声(继续骚扰)
click喀呖声: 一种电压骚扰,幅度超过连续骚扰准峰值限值,持续时间不大于200ms,而且后一个骚扰离前一个骚扰至少200ms,持续时间由超过测量接收机中频参考电平的信号确定。
1.click 喀呖声test standard:note: the followingreferenced standards are indispensable for the application of this procedure. if there are updated edition, the latest edition ofthe referenced standards (including any amendments) applies.standard
standard | issued date |
cispr 14-1 | 2005 a1:2008 |
en 55014-1 | 2006 a1:2009 |
cns 13783-1 | 2004 |
gb 4343.1 | 2009 |
2.test level and specification:2.1 for allequipment which produces disturbances other than clicks, or clicks with a clickrate n equal to or greater than 30, please refer to akc301-e200-e clause 4.22.2 fordiscontinuous disturbance, the click limit lq is attained by increasing therelevant limit l (please refer to 4.1) with2.2.1 lq = l 44db: for n<0.22.2.2 lq = l 20lg (30/n)db: for 0.2
参考标准:en 55014-1 cispr 14-1 gb 4343.1