[SI-LIST] Re: Ferrite Beads on Differential Signal Lines?

  • From: Tesla <emcesd@xxxxxxx>
  • To: craigleefrancis@xxxxxxxxx
  • Date: Fri, 12 Sep 2014 09:20:45 +0800 (CST)

The Ferrite beads indeed will attenuate some differential energy, increasing 
rising time.
Tesla Lee.









At 2014-09-12 07:13:27, "Craig Francis" <craigleefrancis@xxxxxxxxx> wrote:
>SI-List,
>I haven't seen any literature concerning using ferrite beads on each signal
>line of a differential pair.
>Usually only a common-mode choke is used to reduce common-mode EMI.
>
>Can ferrite beads be used on a differential pair to increase the the rise
>time of the signal and reduce unnecessary high-frequency content that may
>radiate?
>
>The two ferrite beads would be sized to allow the bandwidth necessary for
>the differential signal's highest data rate.
>
>
>Thanks,
>Craig Francis
>
>
>------------------------------------------------------------------
>To unsubscribe from si-list:
>si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field
>
>or to administer your membership from a web page, go to:
>http://www.freelists.org/webpage/si-list
>
>For help:
>si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field
>
>
>List forum  is accessible at:
>               http://tech.groups.yahoo.com/group/si-list
>
>List archives are viewable at:     
>               http://www.freelists.org/archives/si-list
> 
>Old (prior to June 6, 2001) list archives are viewable at:
>               http://www.qsl.net/wb6tpu
>  
>
------------------------------------------------------------------
To unsubscribe from si-list:
si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field

or to administer your membership from a web page, go to:
http://www.freelists.org/webpage/si-list

For help:
si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field


List forum  is accessible at:
               http://tech.groups.yahoo.com/group/si-list

List archives are viewable at:     
                http://www.freelists.org/archives/si-list
 
Old (prior to June 6, 2001) list archives are viewable at:
                http://www.qsl.net/wb6tpu
  

Other related posts: