 high voltage affects on microprocessors?
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haxor5354
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Fri Oct 29 2010, 02:01AM
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Registered Member #2063
Joined: Sat Apr 04 2009, 03:16PM
Location: Toronto
Posts: 352
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i just tried zapping my old calculator with 5,000 volts at 1.5mA AC and it crashed xD but it still works after a reset.
i wonder what would happen if other electronics get zapped by high voltage.
and willl zapping your coaxial TV cable destroy your neighbours' TV sets? 
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Goodchild
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Registered Member #2292
Joined: Fri Aug 14 2009, 05:33PM
Location: The Wild West AKA Arizona
Posts: 795
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I think is depends on a number of things:
grounding on that device
EMI protection
the type of circuit
were it is located
how it is wired up
etc...
There are a number of things that could go wrong or it could do nothing at all, but you won't know until it dose go wrong
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Bjørn
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Registered Member #27
Joined: Fri Feb 03 2006, 02:20AM
Location: Hyperborea
Posts: 2058
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All common modern chips have built in protection diodes that go from each pin to Vcc and Gnd. They are often rated for 20 mA. If the pulse is fast enough the diodes will not be able to turn on in time and you may destroy the chip. Sparks can generate very fast rise times.
As Goodchild said, it is impossible to predict what will cause a failure.
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