标题: EMC测试 [打印本页] 作者: xmzzdong12 时间: 2010-10-26 11:54 标题: EMC测试 请教论坛里的安规高手们，不知在小家电类的产品EMC测试RE(Radiated Emission)与CE（Conducted Emission)）是否要同时满足？我看标准是可选择其一通过即可。作者: kamleung 时间: 2010-10-26 13:17
Normally, the household appliance is tested with EN55014-1+EN55014-2. All emision tests are defined in EN55014-1. However, the RE (Radiated Emission) is only applicable to the Toys. For the household appliance, the RE test is not necessary.作者: 郭煜东 时间: 2010-11-2 10:45
楼上是正解作者: nicho87 时间: 2010-11-4 18:23
Appliances are deemed to comply in the frequency range from 300 MHz to 1 000 MHz if- t* H/ a+ P- e# T Z
both of the following conditions ( 1) and 2)) are fulfilled:/ x) p: E8 E/ ~( ]4 ~2 W
1) all emission readings from the equipment under test shall be lower than the applicable; d0 d* e9 t n4 T
limits (Table 2a) reduced by the margin (Table 2b); ' a( M' p# b; P: t5 y2) the maximum clock frequency shall be less than 30 MHz. Q6 ^( ^2 N2 T
If either of condition 1) or 2) is not fulfilled, radiated measurements in the frequency range # ^, f' O- n; s. n8 S5 L/ lfrom 300 MHz to 1 000 MHz shall be conducted and the limits of Table 3 for that range ! w$ \! x$ _7 X. E7 u! f. iapplied. In any case the limits of Table 2a in the frequency range 30 MHz to 300 MHz5 v. b1 J( E* U. y2 K
shall be met. ; J9 k0 C. T& O8 pTable 2b – Margin when performing disturbance power measurement in the frequency range 30 MHz to 300 MHz0 }( b. h; s; Y0 s5 @7 v
Frequency range Quasi-peak dB (pW) 3 ^1 P8 \ m7 [& z$ T) Q200 to 300 0 to 10 dB -0 n0 `7 `, Q8 Y& M7 [( ~$ p/ g
当功率骚扰（DP）200到300MHzQP余量小于10dB时，辐射（RE）是需要测试的。参见CISPR14-1 2009作者: xmzzdong12 时间: 2010-11-29 16:06
谢谢楼上的大虾们作者: stey 时间: 2010-11-29 16:40
如果是DC供电，做RE就可了作者: 测试小刀 时间: 2010-11-30 15:34
好贴必顶啊！！！谢谢楼主！！！作者: okrich 时间: 2010-12-3 21:49
哇塞，都是英文高手啊