Re: [SI-LIST] : MECL System Design Handbook

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From: Ritchey Lee (leeritchey@earthlink.net)
Date: Thu May 10 2001 - 08:36:36 PDT


Any of you who want to know how the myth about right angle bends got started, look
at figure 7.17 on page 155. This alleges that right angle bends can be seen by a
TDR. I've done this measurement dozens of times and coiuld never see a right
angle bend.

A few years ago, I called Mr. Blood the author of the book and asked about the
diagram. His reply was that he knew the diagram was flawed, but there wasn't time
to fix it before the book went to press.

As a result, thousands of engineers have spend countless time worrying about right
angle bends.

When we publish technical information such as this, it is important to insure it
is accurate.
This applies especially to applications notes, whic often contain entirely false
data.

Lee

Rich Peyton wrote:

> FYI,
>
> The hard copy can be ordered free of charge.
>
> Rich
>
> Roehrner Wolfgang wrote:
>
> > http://www.onsemi.com/home <http://www.onsemi.com/home>
> >
> > In the Menu-tree go to:
> >
> > Technical Documents
> > CD/Document Ordering
> > General Search
> >
> > search for document number: hb205
> > download it as pdf (or order!).
> >
> > regards,
> > Wolfgang
> >
> > -----Original Message-----
> > From: Ashok Babu K [mailto:k.ashokbabu@gdatech.co.in]
> > Sent: Tuesday, April 10, 2001 12:39 PM
> > To: si-list@silab.eng.sun.com
> > Subject: [SI-LIST] : MECL System Design Handbook
> >
> > Hi all,
> > I see that a good resource for general high speed termination design and
> > especially ECL/PECL termination is Motorola's MECL System Design Handbook by
> > Blood Jr., and William R. Many articles and papers specify the same as a
> > good resource. Unfortunately I could not get the soft copy of the MECL
> > System Design Handbook. I could not get it from the ON Semiconductor
> > website. If any of you have the PDF file of the same or know where it can be
> > obtained, please inform me. Any suggestions of other resources are highly
> > welcome.
> > Regards,
> > Ashok.
> >
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