[SI-LIST] Re: Mixed-mode impedance matrix

Bill,

Yes, I believe every is in the Matrix since it is a complete description
of the network, but not any of the subset. Of course, if we care the
pure diff/comm mode, we ,may get some simplication.
Regards,
Mick=20

-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx]
On Behalf Of Bill Beale
Sent: Thursday, June 29, 2006 11:43 PM
Cc: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Re: Mixed-mode impedance matrix

Hi Mick,

The Z matrix is always meaningful.

[V] =3D3D |Z|[I]

As it implies, it is a simple ratio of voltage to current.

Hence, the mixed mode coupling shows when you have a differential =3D
voltage for instance, how much even mode current do you get.

Thanx,
Bill

P.S.  As my friend Eric Bogatin always told me 'It's all in the matrix'.
=3D
:-)
>=3D20
>  Scott,
> Thanks for your advice.=3D3D20
> However, as I asked, does this mathematical operation tell us=3D20 =20
>anything?
> For example, can we even say,
> Vdd=3D3D3DZss*Idd? By looking into the mixed mode S-matrix, I=3D20  =
doult=20
>the equation is true in general.  If so, is it=3D20  meaningful by =
doing=20
>the math?
> And how can we apply it to designs?
>=3D20
> Mick
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