[SI-LIST] SI tools
- From: Chris Landrum x311 <clandrum@xxxxxxxxx>
- To: "'si-list@xxxxxxxxxxxxx'" <si-list@xxxxxxxxxxxxx>
- Date: Thu, 6 Nov 2003 13:34:17 -0500
This may be a topic dicussed at nauseam on this list but....
I am attempting to evaluate SI tools. I have a temp license for Cadence
SigExplorer as well as an eval license for Mentor Hyperlynx. I am finding
enormous pitfalls in both tools (for what I intend to use them for).
SigExplorer
In this tool you can't specify stackups without going through Allegro. It
would be extremely useful to be able to do "what-if's" on the stack-up.
Hyperlynx does seem to allow this. This tool (ver 15) requires that you be
very conscious in how your parts are set-up. ALL pins must be specified in
Allegro prior to extracting a net. This is just a little annoying for
things like resistor packs and such.
Hyperlynx
Allows use of the field solver directly which is good. A major problem I
see is that when specifying a "what-if" scenario, it seems you can ONLY
specify parallel, thev, or series terms...what about terms that include AC
coupling and the such?
So here is my question. What tools do you people use to simulate board
stack-ups, crosstalk, transmission line characteristics, lossy signals,
etc.?
I am almost thinking the best route to go is to get a 2-D field solver and a
spice simulator, but I would like to be better integrated with my layout
tool.
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