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IEC61000-4-2 2008的8.3.2. e)的最后一段文字(红色部分):
3 i9 j5 q& v; N- WIn the case of air discharges, the ESD generator shall approach the EUT as fast as possible2 s( Y5 [3 D+ v' _
until contact between the electrode and the EUT is made (without causing mechanical. \3 v4 ~. D5 J9 r3 e2 F$ h/ ]
damage). After each discharge, the ESD generator (discharge electrode) shall be removed
' }& i6 u/ d" V, bfrom the EUT. The generator is then retriggered for a new single discharge. This procedure
0 l' X B" ?) u2 o' Q3 k/ jshall be repeated until the discharges are completed. In the case of an air discharge test, the7 `/ U& |! ]5 a
discharge switch, which is used for contact discharge, shall be closed./ E E5 B7 i% D
. }) O" j3 _. A
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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