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IEC61000-4-2 2008的8.3.2. e)的最后一段文字(红色部分):
7 ?) n9 `4 g9 F2 @- f5 hIn the case of air discharges, the ESD generator shall approach the EUT as fast as possible
4 K8 c. B' v" v6 J) _& ?until contact between the electrode and the EUT is made (without causing mechanical* V ?" X, g# \' @+ H/ ^
damage). After each discharge, the ESD generator (discharge electrode) shall be removed. l6 J l+ U" c! \! h
from the EUT. The generator is then retriggered for a new single discharge. This procedure; B; R( L, _$ {3 y8 m
shall be repeated until the discharges are completed. In the case of an air discharge test, the2 P' R8 R/ S! s* M+ m3 {
discharge switch, which is used for contact discharge, shall be closed.3 O, S8 e, M7 b5 g8 G
- h y* }7 [3 |# Z1 B4 ?9 G" y
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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