[SI-LIST] Re: Impedance calculation of asymmetric coupled lines?
- From: houfei chen <hfchen73@xxxxxxxxx>
- To: dgun@xxxxxxxxxx, si-list@xxxxxxxxxxxxx
- Date: Thu, 17 Oct 2002 14:02:51 -0700 (PDT)
Zeven and Zodd is defined for coupled line together,
one is for even signal input, the other is for odd
signal input.
Correct me if I am wrong, but I don't think there is
Zeven for line 1 and Zeven for line 2.
--- D G <dgun@xxxxxxxxxx> wrote:
>
> Fair enough. What do I get out of an asymmetric
> coupled line when I put a differential signal into
> it? How do I simulate this with transmission line
> models?
>
>
> From: Fred Balistreri <fred@xxxxxxxxxxxxx>
> > If they are not electrically symmetrical then they
> cannot be called
> > differential so the definition does not apply.
> >
> > Best Regards,
> >
> > D G wrote:
> > >
> > > The calculation of differential and common-mode
> impedances is well known for symmetric coupled
> lines. How about asymmetric coupled lines, where
> Zeven for line1 is not equal to Zeven for line2?
> > >
> > > --
> > > Daniel
> > > ZZZ-dgun-ZZZ-@xxxxxxxxxxxxxxx
> > > (remove the Z-'s to reply--they're what I do
> when I read spam)
> > >
> > > --
> > >
>
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> > --
> > Fred Balistreri
> > fred@xxxxxxxxxxxxx
> >
> > http://www.apsimtech.com
> >
> >
>
>
>
> --
> Daniel
> ZZZ-dgun-ZZZ-@xxxxxxxxxxxxxxx
> (remove the Z-'s to reply--they're what I do when I
> read spam)
>
> --
>
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