Re: [SI-LIST] : RE: [SI-LIST]: Long bus or star?

Jon Keeble ([email protected])
Mon, 5 Apr 1999 22:22:22 +1000

Shayle Hirschman writes
>If the loads at the end of each leg of the star are considered lumped,
>which they should be if the star legs are short enough, and with series
>source termination for each leg at the junction, then isn't the intent
>not to use incident wave switching?

When the v/2 incident wave doubles at the open circuit, that event is for
all practical purposes part of the "incident wave", although it does require
the open circuit to occur.

Incidentally (npi) the rise time of that part of the waveform between v/2
and v (I guess) would be the same as the incident wave (otherwise the new
spectral components of energy would appear from nowhere).

This must double the rise time of the full voltage signal at the end,
compared to the original, although I've never checked this with an

Jon Keeble.

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