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In alt.engineering.electrical bud-- wrote:
| wrote:
| In alt.tv.tech.hdtv bud-- wrote:
|
| | The last standards for simulating typical surge waveforms I have seen
| | (IEEE) were
| | 1.2 us rise time, 50 us duration
| | 8 us rise time, 20 us duration
| | a ring wave with a frequency about 100kHz.
|
| So now you are saying these figures represent a typical surge waveform,
| as opposed to the worst case waveform you said a long time ago.
|
| Still missing - your source that indicates nanosecond rise times and
| 100MHz spectrum.

Observation.

| What does the "/" mean in that case, anyway? I never got to ask you that
| before. Does it mean "divide 1.2 by 50"?
|
| It is standard notation in the surge field. 1.2 us risetime and 50 us
| duration

And what does the duration time have to do with high frequency energy?
Hint: nothing

--
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| Phil Howard KA9WGN (email for humans: first name in lower case at ipal.net) |