Hello !

I've been asked, by one of our engineers, about controlled impedance 
boards. I'm new to this and was unable to give him any "good" information. 
I knew, however, that I'd be able to obtain this information from all of 
you ! ;)

First of all, are there and specs that will help with the design of a 
controlled impedance board ?

Are there specs that a board fabricator will need to be aware of ?

Am I correct in saying that we (layout designers) and the fabricators are 
going to need to work closely ?

Any help would be appreciated.

Thanks in advance

Lou Takach
Union Switch & Signal Inc.
412.688.2574 (voice)
412.688.2396 Wait for the tone then enter 2574# and hit [send]. The extra 4 
digits direct the fax directly to my email account

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