[SI-LIST] Re: How accurate is HSPICE's field solver? (#2)
- From: MikonCons@xxxxxxx
- To: si-list@xxxxxxxxxxxxx
- Date: Sun, 9 Feb 2003 16:41:51 EST
Matt & Scott:
I just got to read Scott's comments on using 5 lines. Indeed I also routinely
use 5 lines to determine the line impedance loading, particularly of the
interior lines of a bus. However, unless I predict a marginal condition from
the use of two adjacent agressors on a (center trace) victim, I don't pursue
the situation any further.
On the other hand, Scott's comments on coupling in connectors should be
highlighted. Unless the connector internal pins of (for example) a
differential pair are well isolated from other adjacent signal pins by ground
plates or ground pins, the coupling is substantially higher than on the PCB.
Mike
Michael L. Conn
Owner/Principal Consultant
Mikon Consulting
Cell: (408)821-9843
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