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Bud--

wrote:
In alt.engineering.electrical bud-- wrote:
| wrote:
| In alt.tv.tech.hdtv bud-- wrote:

| | w_' professional engineer source says 8 micoseconds with most of the
| | spectrum under 100kHz.
|
| Even with 1 nanosecond rise time, most of the energy will be present in
| the spectrum below 100 kHz. That means nothing when the surge is strong
| enough to have energy above some frequency that is relevant to the whole
| system involved that can do damage. That frequency might be 100 Mhz for
| some thing, and 1 GHz for other things.
|
| Still missing - your source. Nanosecond risetime. 100MHz spectrum.

Observation. Of course this is a concept you cannot understand.

Observation proves flying saucers and magic.

Without supporting sources it is Phil's Phantasy Physics.
Where is a source that supports your belief in nanosecond risetimes and
100MHz spectrum?

--
bud--