[SI-LIST] Re: frquency limit of a channel
- From: "Clewell, Craig" <Cclewell@xxxxxxxxxxxxx>
- To: 'Glen Walpert' <gwalpert@xxxxxxxxxxxxxxxxx>
- Date: Mon, 8 Mar 2010 13:56:36 -0500
Glen,
Just to be clear I didn't encourage modeling trapezoidal edges, Gaussian, or
square pulses. I wanted to help answer the question as to the use of the
0.35/Tr = BW, and the 1/Tr calculations that were mentioned and how misuse can
affect the reproduction of the pulse if used incorrectly. Incidentally, CST
uses 0.876/Tr = BW for their default Gaussian input.
Craig
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] On
Behalf Of Glen Walpert
Sent: Monday, March 08, 2010 1:01 PM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Re: frquency limit of a channel
Clewell, Craig wrote:
> Here is a link to a file I have in my library from Clayton Paul that should
> clear things up for you.
>
> http://www.mediafire.com/?k0wvdamwz1n
>
> Craig
Here are some links to recent articles by Howard Johnson which explain why
modeling signal edges as trapezoidal might not be the best approach:
http://www.edn.com/contents/images/6699737.pdf
http://www.edn.com/contents/images/6713711.pdf
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