RE: [SI-LIST] : Attenuation on a PCB trace

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From: Khalid Ansari (khalida@vitesse.com)
Date: Thu Apr 12 2001 - 14:29:27 PDT


What I meant was to pick up a couple of equations and estimate, without
use of any tools.

At 04:13 PM 4/12/01 -0500, Degerstrom, Michael J. wrote:
>Khalid,
>
>Do you want to know how to simulate/calculate the loss
>or how to go about measuring the loss? 'Measure theoretically'
>is the term you used that confuses me.
>
>Mike
>
>_______________________________________________________________
>Mike Degerstrom Email: degerstrom.michael@mayo.edu
>Mayo Clinic; 200 1st Street SW ; Rochester, MN 55905
>Phone: (507) 538-5462 FAX: (507) 284-9171
>WWW: http://www.mayo.edu/sppdg/sppdg_home_page.html
>_______________________________________________________________
>
>
> > -----Original Message-----
> > From: Khalid Ansari [mailto:khalida@vitesse.com]
> > Sent: Thursday, April 12, 2001 1:33 PM
> > To: si-list@silab.eng.sun.com
> > Subject: [SI-LIST] : Attenuation on a PCB trace
> >
> >
> > Hi all,
> >
> > Is there a way to measure theoretically what the attenuation
> > of a signal will
> > be after travelling 20" at say a frequency of 2.5 Gbps across
> > a 50 ohms PCB
> > trace
> > laid out in FR4 in a microstrip configuration. How about in
> > a stripline
> > configuration?
> > What are the factors that need to be taken in account to
> > calculate this.
> >
> > Thanks in advance,
> > Khalid
> > ---
> > Khalid Ansari
> > Switch Fabric Applications
> > Advanced Networking Products Division
> > Vitesse Semiconductor Corp.
> > 3408, Garrett Ave., Santa Clara, 95054
> > Phone: (408) 986-4381 x144
> > fax: (408) 986-6050
> > http://www.vitesse.com
> >
> >
> >
> >
> >
> >
> >
> >
> >
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> >

---
Khalid Ansari
Switch Fabric Applications
Advanced Networking Products Division
Vitesse Semiconductor Corp.
3408, Garrett Ave., Santa Clara, 95054
Phone: (408) 986-4381 x144
fax: (408) 986-6050
http://www.vitesse.com

**** To unsubscribe from si-list or si-list-digest: send e-mail to majordomo@silab.eng.sun.com. In the BODY of message put: UNSUBSCRIBE si-list or UNSUBSCRIBE si-list-digest, for more help, put HELP. si-list archives are accessible at http://www.qsl.net/wb6tpu ****


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