RE: [SI-LIST] : Merits of low dielectric constant

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From: Doug Brooks (doug@eskimo.com)
Date: Fri Jun 23 2000 - 11:50:26 PDT


>
>I think this "correction factor" you speak of, is for a capacitive "stub"
>hanging off a main transmission line.
>
>If you are using an electrically short, unterminated coax, attached to the
>middle of a longer transmission line, then this is a consideration.
>
>If you are using terminated coax transmission lines and no unterminated
>stubs, then I think it's irrelevant.
>
>Andy

I believe (though I won't argue the point too strongly) that the correction
factor also applies to capacitive loads (i.e. devices) placed along the
line and at the end of it. Then it would become relevant in high-speed designs.

Doug Brooks
.
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.
Doug Brooks, President doug@eskimo.com
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