[SI-LIST] Inductance extraction with FastHenry

From: manthos labropoulos <manthoslmp@xxxxxxxx>
To: si-list@xxxxxxxxxxxxx
Date: Thu, 19 Jun 2003 19:07:33 +0100 (BST)

Dear all

I want to model a digital high speed bus (up to 1GHz)
so I am using Fasthenry in order to extract the R, L
parameters. 

I use the delow characteristics for the bus lines:
width=5um-0.8um, spacing=2.5um-0.6um, Heigth=1.2um,
cooper

As the skin depth in 1GHz for cooper is approximately
2um  i assume that i don't have skin effect in my bus
lines in 1GHz. Is it ok;

For that reason i am not defining a finer filament
discretization with the nhinc and nwinc parameters
(iam using the default ones).

But when i tried to use a finer discretization like
nwinc=8 nhinc=1 i took diferent results.
How can you explain this one ?
Am i doing anything wrong?

Also i am taking different results for the self
inductances for each of the conductors in the bus.
Does it seem correct to you ?

As the conductors are parrallel to each other should
the L values be somehow symmetric?
(The L of the first conductor is 3.429650e-10 and the
L of the last one is 3.428537e-10.)

Please help me because i am confused with these
results.

Thanks

Matheos

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[SI-LIST] Inductance extraction with FastHenry

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