RE: [SI-LIST] : quad offset stripline?

From: Chris Cheng ([email protected])
Date: Thu Oct 28 1999 - 19:24:47 PDT

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interesting, how do u simulate the non TEM mode interaction
between layer S-Y or T-X with W element ?
chris

> > >
> > > ---------------------- plane
> > > ---- signal-T
> > > ---- signal-S
> > > ---- signal-Y
> > > ---- signal-X
> > > ---------------------- plane
> > >
> > > X is horizontal, Y is vertical, S is 45, and T is 135. We have
> > > buried vias between S & T and between X & Y. For a particular
> > > signal, we only route on orthogonal layer-pairs.
> > >
> > >
> > > * using the minimum-pitch per layer, mutual capacitance
> > > and inductance of the crossovers (taking into account
> > > the relative angle of the traces), and a W-element
> > > representation of lines on each of the four
> > > layers, we ran an SSN eye diagram simulation of random
> > > signals on all four layers to determine the effects
> > > of the mutual parasitics from the other layers.
> > >

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