|
IEC61000-4-2 2008的8.3.2. e)的最后一段文字(红色部分):3 V* x* }2 X! o( G4 y
In the case of air discharges, the ESD generator shall approach the EUT as fast as possible3 K, w3 d7 Q! Z% ^9 _& ^" w( Y& C _
until contact between the electrode and the EUT is made (without causing mechanical- |. ?$ _7 }9 I, w: k) d
damage). After each discharge, the ESD generator (discharge electrode) shall be removed& \1 `! B. T# a
from the EUT. The generator is then retriggered for a new single discharge. This procedure7 K: N. `$ x+ g$ j6 W
shall be repeated until the discharges are completed. In the case of an air discharge test, the: ^/ J! s8 f$ _9 O3 k
discharge switch, which is used for contact discharge, shall be closed.5 Z, n# q$ S' y; Q2 }# V6 r
, o* T8 o' T% Y- j+ e5 C/ U
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? |
|