EMS61000-2A User’s Manua
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0.25 mm. Other metallic materials may also be used, while its minimum thickness is
0.65 mm. The plane should be approximately 0.3m wide, and 2.0m in length when the
installation allows. This ground reference plane should be connected to the protective
grounding system. Where this is not possible, and there do existing a grounding
terminal of EUT, then the ground reference plane should be connected to the
grounding terminal of the EUT. The discharge loop cable of the ESD generator shall
be connected to the reference plane at a point close to the EUT. Where the EUT is
installed on a metal table, the table shall be connected to the reference plane via a
cable with a 470kΩ resistor located at each end, to prevent a build-up of charge. An
example of the set-up for post-installation tests is given in figure 7.3.
Fig.7.3 Test set-up for post-installation tests
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