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IEC61000-4-2 2008的8.3.2. e)的最后一段文字(红色部分):9 T7 w; a/ ~9 U2 ?
In the case of air discharges, the ESD generator shall approach the EUT as fast as possible( j9 h3 ?( N$ U1 V, C9 d" m
until contact between the electrode and the EUT is made (without causing mechanical, `; b6 B9 |# g/ t
damage). After each discharge, the ESD generator (discharge electrode) shall be removed
5 |7 q7 S6 ^6 h0 t; cfrom the EUT. The generator is then retriggered for a new single discharge. This procedure
6 c/ I! T/ l6 {$ Z- U" S; Ashall be repeated until the discharges are completed. In the case of an air discharge test, the
% G( X8 }1 N2 x3 L2 ?! Y) y% Cdischarge switch, which is used for contact discharge, shall be closed.
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! v) s r5 V* X( z1 g/ V请教了,红色部分是什么意思?有空气放电和接触放电两个开关吗?有什么不同吗?这个操作是什么目的呀? |
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