Re: [SI-LIST] : Automatic/Semi-automatic design check of PCB

Todd Westerhoff ([email protected])
Wed, 08 Sep 1999 17:31:41 -0400

Hi all,

I'll keep this brief.

Cadence's SI/Crosstalk/SSN/EMI design and analysis tool is called
SPECCTRAQuest. SigNoise was an add-on to Allegro that performed simulation
only. It has been replaced by SPECCTRAQuest, which allows the
electrical/SI engineer to view/edit/analyze and drive rules into the board
database without tying up the CAD department's Allegro license. It does a
lot more than that, but I promised to be brief ...

Cadence is also offering an entry-level SI tool that operates directly out
of Allegro. Called SPECCTRAQuest Signal Explorer, this tool extracts
electrical models and simulates individual nets. This is an entry level
tool for people whose SI issues are limited to a few critical signals.

More questions, please contact me.


Todd Westerhoff
Technical Marketing Director | High Speed Systems Design | Performance
Cadence Design Systems | 270 Billerica Road | Chelmsford, MA 01824

ph: (978) 262-6327
fx: (978) 446-6798
email: [email protected]
internal information website:

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