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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 t4 N' f( |9 N' x
In the case of air discharges, the ESD generator shall approach the EUT as fast as possible
. r, |7 |: ], ^/ B4 Xuntil contact between the electrode and the EUT is made (without causing mechanical. C( y7 [* F( ?' |2 v8 r) P
damage). After each discharge, the ESD generator (discharge electrode) shall be removed
7 |, Z) Y" }4 o/ r1 x Vfrom the EUT. The generator is then retriggered for a new single discharge. This procedure
/ y. L# B) Z' g5 }. P0 U7 Kshall be repeated until the discharges are completed. In the case of an air discharge test, the1 [3 D! H+ `* b. r8 l0 O3 N1 Z9 W
discharge switch, which is used for contact discharge, shall be closed.+ j, F$ V1 M( V8 @; |* m
D$ g/ d# y1 D# V' s: P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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