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March 2002

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Subject:
IPC TM-650 Standard for Impedance Testing
From:
"Brian D. Butler" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Fri, 1 Mar 2002 09:57:39 -0500
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To all:

Controlled Impedance products are becoming more and more popular. I am
interesting in hearing opinions on the relevancy of the TM-650 standard for
controlled impedance testing. How many people our using it and if not should it
be changed?

Sincerely,
Brian Butler
Introbotics Corp
(505)345-7785
www.introbotics.com

The reference website link information for the IPC Standards Document
IPC-TM-650 Test Method 2.5.5.7 Characteristic Impedance and Time Delay of Lines
on Printed Boards  by TDR, is:

www.ipc.org/html/fsresources.htm
Select "IPC Documents Available for Download IPC standards and manuals that may
be downloaded for free. " from the bottom of the page...

And then select   "2.5.5.7” from the list of documents

Specific reference to section: 4.1 Instrumentation

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