From: Mike Jenkins ([email protected])
Date: Mon Aug 21 2000 - 12:29:06 PDT
A question about your inquiry....when you say "after some point",
are you referring to increasing the input amplitude or increasing
the parallel conductor length? It isn't clear to me.
If you mean increasing the input amplitude, then the statement is
false. This is a LINEAR system, and increasing the input to a
linear system always results in the output increasing proportionally.
If you mean increasing the conductor length, then I think the
reply from Mr. Verkammen is what you were looking for (assuming
you had in mind a multiconductor, nonhomogeneous system).
If you had in mind something simpler (two conductors and a
homogeneous medium), then again the statement is false. Far end
noise increases as the conductor length increases. Near end noise,
on the other hand, does flatten as the conductor length increases
past the risetime of the aggressor signal. The noise pulse gets
wider as the length gets longer, but not higher. (Thought I'd
add this, just in case you were referring to this more simple case.)
> If you have two very long parallel conductors, the forward cross-talk does
> not increase in amplitude after some point (saturation). Can anybody
> enlighten me why this saturation happens?
-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Mike Jenkins Phone: 408.433.7901 _____ LSI Logic Corp, ms/G715 Fax: 408.433.7461 LSI|LOGIC| (R) 1525 McCarthy Blvd. mailto:[email protected] | | Milpitas, CA 95035 http://www.lsilogic.com |_____| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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