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- To: "Tesla List" <tesla-at-pupman-dot-com>
- Subject: RE: Shielding Computers.
- From: "William Noble" <William_B_Noble-at-msn-dot-com>
- Date: Fri, 7 Mar 97 08:42:56 UT
I am not a tesla expert (clearly) and so will defer to those who are, but there are some techniques for shielding against EMP (the pulse that goes with a nuclear explosion) which would seem to me to cover it pretty well. Of course you may not want to bother. 1. enclosures must have good electrical seal all the way around - that would mean putting a metal cover over the fronts where the disks go in, and a very fine screen over the fan. 2. EMP diodes across all low level signals - for example, keyboard, telephone, speaker, etc - back to back zeners may also be ok, but zeners are slower as I recall 3. usual filtering on power supply, and then internally, add EMP or other over voltage protection circuits between the PS and the other electronics. (I just happen to have 2 such things left over from some computers I upgraded - overvoltage SCR devices to crowbar the 5V, etc that mate to the power plug into the motherboard - e mail me separately if you want them 4. I personally would want to use an isolation xformer or something if the computers were to be powered up. if off, then I don't see why unplugging them and wrapping them in aluminum foil wouldn't do the trick. -----Original Message----- From: Tesla List Sent: Wednesday, March 05, 1997 10:31 PM To: tesla-at-poodle.pupman-dot-com Subject: Shielding Computers. J. Bazemore wrote: > > Is there a reliable way to shield computers when operating > a tesla coil? If there is a network of 6 computers plugged > into bus bars, Do I have to unplug the extensions where they > terminate at the computers themselves, or just unplug the > bus bars? Any pointers appreciated. > > -Jon
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