[Milsurplus] Question about EMP
J Forster
jfor at quik.com
Sat Nov 25 16:44:03 EST 2006
Dick wrote:
[snip] there's not a lot you can do to provide proper protection
short of enclosing it in a grounded metal box that forms a good Faraday
cage. [snip]
.
Dick
If the thing is in a 'good Faraday cage' I don't think there is much to
be gained by grounding the cage. In fact, quite the opposite. I'd want
the cage to be complete coverage and as conducting as possible (think
EMI gasketing) and insulated from ground to reduce sheet currents. If
static is an issue, then it can be grounded but through a highish
resistor.
-John
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