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July 2005

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Subject:
From:
Chris Ball <[log in to unmask]>
Reply To:
(Designers Council Forum)
Date:
Fri, 29 Jul 2005 10:41:39 -0400
Content-Type:
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text/plain (71 lines)
Ahhhh..... I remember having an 'assembly department'. And knowing who was
going to fab the PCB before it was designed. And not having designs built
simultaneously at two CEM's. And sticking with trusted suppliers because of
'good working relationships'....

Those were the days, my friend!





                       Matthew Lamkin
                       <[log in to unmask]        To:   [log in to unmask]
                       UK>                               cc:
                       Sent by: DesignerCouncil          Subject:    Re: [DC] Trace width
                       <[log in to unmask]>           ratio to pad

                       07/29/2005 10:31 AM
                       Please respond to
                       "(Designers Council
                       Forum)"; Please respond to
                       Matthew Lamkin







Ah, that's it, bamboozle him with his own techno babble..
Now that's the best suggestion yet.

You can also get the assembly department to define their preferences
and whatever assembly want is usually enough to make it a law written in
stone :-)


<snip>
For Signal traces you might what to use the argument that more
copper will give him more resistance and actually will cause more
impedance to the rise time on his circuit.  This may cause him to
rethink his request.  Sometimes if you talk their language you can get
your point across without having to use other drastic measures.  ;-)

        Joe J. - C.I.D.
<snip>

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