[SI-LIST] Re: 90 degree turn in PCB tracks
- From: "Naren Thesia" <naren.thesia@xxxxxxxxx>
- To: vishyin8@xxxxxxxxx
- Date: Tue, 25 Jul 2006 14:41:03 +0530
Dear Vishnu;
I was just going through your below mail;
I would like to know more how 90 degree bend will cause less reflection
compared to 45 degree bends practically.
Regards,
Naren
On 7/25/06, Vishnu Mohan <vishyin8@xxxxxxxxx> wrote:
>
> Dear Dhaval,
> To my kowledge 90 degree bends are not recomended because of the acid
> trap.
> Some people says 90 degree bend can cause more reflection than 45 degree,
> but it is not true. At high frequency 90 degrees produce less reflection
> than 45 degree.
>
> Please find the attached document.
>
> With Regards
> Vishnu Mohan
>
> On 7/25/06, jun li <lijun_hit@xxxxxxxxx> wrote:
> >
> > I read a little about this topic. To 90 degree bend, there will be
> overlap
> > area. It behaves as capacitive discontinuity. Moreover, the sharp point
> at
> > the corner will enlarge electrical field.
> >
> > regards
> >
> >
> > Dhaval Bhodia <bhodia1@xxxxxxxxx> wrote:
> > Dear Experts
> > I want to know that why PCB tracks can not have
> > 90 degree bend ? second why 45 degree bend is most
> > preferable ? anybody has made any analysis on bending
> > of PCB tracks ? what are the technical issues will
> > come if some one makes 90 degree bend in PCB ? What
> > are electrone and transmission line charasterisic
> > stops to make that 90 degree turn in PCB tracks ?
> > Regards
> > Dhaval
> > __________________________________________________
> >
> >
> > ---------------------------------
> > Do you Yahoo!?
> > Next-gen email? Have it all with the all-new Yahoo! Mail Beta.
> >
> > ------------------------------------------------------------------
> > 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:
> > //www.freelists.org/webpage/si-list
> >
> > For help:
> > si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field
> >
> > List FAQ wiki page is located at:
> > http://si-list.org/wiki/wiki.pl?Si-List_FAQ
> >
> > List technical documents are available at:
> > http://www.si-list.org
> >
> > List archives are viewable at:
> > //www.freelists.org/archives/si-list
> > or at our remote archives:
> > http://groups.yahoo.com/group/si-list/messages
> > Old (prior to June 6, 2001) list archives are viewable at:
> > http://www.qsl.net/wb6tpu
> >
> >
> >
>
>
>
> -- Binary/unsupported file stripped by Ecartis --
> -- Type: application/pdf
> -- File: 90deg.pdf
>
>
> ------------------------------------------------------------------
> 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:
> //www.freelists.org/webpage/si-list
>
> For help:
> si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field
>
> List FAQ wiki page is located at:
> http://si-list.org/wiki/wiki.pl?Si-List_FAQ
>
> List technical documents are available at:
> http://www.si-list.org
>
> List archives are viewable at:
> //www.freelists.org/archives/si-list
> or at our remote archives:
> http://groups.yahoo.com/group/si-list/messages
> 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:
//www.freelists.org/webpage/si-list
For help:
si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field
List FAQ wiki page is located at:
http://si-list.org/wiki/wiki.pl?Si-List_FAQ
List technical documents are available at:
http://www.si-list.org
List archives are viewable at:
//www.freelists.org/archives/si-list
or at our remote archives:
http://groups.yahoo.com/group/si-list/messages
Old (prior to June 6, 2001) list archives are viewable at:
http://www.qsl.net/wb6tpu
Other related posts:
