[SI-LIST] Re: Need for SI Service Bureaus?
- From: Doug Brooks <doug@xxxxxxxxxx>
- To: si-list@xxxxxxxxxxxxx
- Date: Fri, 15 Mar 2002 12:17:01 -0800
At UltraCAD we have some SI tools but have not offered SI services for
several reasons.
Among them are:
1. It is difficult to set up an realistic SI analysis, especially from the
standpoint of acquiring and assigning all the models needed for a highly
complex board. Therefore, the customer would have to be so closely
involved, he should already have the tool himself!
2. We have not seen a significant market need among the customers we
currently have.
3. (a biggie) This open up a whole new area of liability we are
uncomfortable with. Suppose we say a board passes our SI analysis and then
does not work. There are many reasons why this might happen, only a few of
which might involve us! The dollars available for such a service vs the
potential risk of getting involved in what the problem really is (i.e. the
finger pointing exercise) seems disproportional. That is, it doesn't look
like a good business risk!
4. We wonder if we really have the expertise to suggest we even can
specialize in this area.
Having said that, we will work with a customer who already has the same SI
tool and help with the analysis. We just don't want to be responsible for it.
Outside responsibility for SI analyses seems to me to be better left to the
really experienced consultants.
Just one person's view!
Doug Brooks, President
UltraCAD
(and, at the risk of raising the ire of some subscribers here, one might
try to argue that if you do the board design right, you don't NEED a tool!
One proof of the pudding is whether your boards work after they are designed!)
At 08:46 AM 3/15/2002 -0800, you wrote:
>To all list members,
>
>A few of us in Silicon Valley have been discussing the need for a
>Specctraquest "type", tools to be determined by market demands, Signal
>Integrity service bureau, similar to PCB design service bureaus.
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