[SI-LIST] Re: stripline differential impedance control issue
- From: Aneesh G <aneesh.govindan@xxxxxxxxx>
- To: ZYL <sango@xxxxxxx>
- Date: Wed, 10 Nov 2010 14:17:42 +0530
Sango,
Based on experience Impedance deviation should be minimal...
Regards,
Aneesh G
2010/11/10 ZYL <sango@xxxxxxx>
> Aneesh
>
> We've already checked with PCB vendor on those proposal, but since we are
> working on very small layout area, also thickness can only <0.8mm with
> 10layer, right now solution is already the best choice we can select after
> balance each team
> The risk left for me is we can't realize idea stripline, I want to know how
> much impedance deviation might happen for this design
>
> Br
>
> Sango
>
>
> At 2010-11-10 16:25:12ï¼?"Aneesh G" <aneesh.govindan@xxxxxxxxx> wrote:
>
> >Sango,
> > Why dont you try swapping Layer 6 with Layer 7?
> > Impedance can be achieved in different ways...
> >1. By Varying Trace width.
> >2. By Varying board Thickness.
> >3. By varying Dielectric Material.
> >
> >Regards
> >Aneesh G
> >
> >On Wed, Nov 10, 2010 at 12:31 PM, ZYL <sango@xxxxxxx> wrote:
> >
> >>
> >> Hello Everyone
> >> I got one problem related to PCB layout design for HDMI differential
> >> signal.
> >> Actualy, since layout area is so limited, we have to route some traces
> >> above HDMI differnetial signal in adjacent layer, like below
> >> Layer 6: ref. GND;
> >> Layer 7: lots digital/power signals (horizental)
> >> Layer 8: HDMI differential pairs (vertical)
> >> Layer 9: ref. GND
> >> Can someone let me know how much impact will get by this kind of routing?
> >> Is that possible to meet 100ohm diffenertial impedance by this routing?
> >> Thanks
> >> Best Regards
> >> Sango
> >>
> >> ________________________________
> >> >Confidentiality Notice.
> >> >This message may contain information that is confidential or otherwise
> >> protected from disclosure. If you are not the intended recipient, you are
> >> hereby notified that any use, disclosure, dissemination, distribution, or
> >> copying of this message, or any attachments, is strictly prohibited. If you
> >> have received this message in error, please advise the sender by reply
> >> e-mail, and delete the message and any attachments. Thank you.
> >> >
> >> >------------------------------------------------------------------
> >> >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 technical documents are available at:
> >> > http://www.si-list.net
> >> >
> >> >List archives are viewable at:
> >> > //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:
> >> //www.freelists.org/webpage/si-list
> >>
> >> For help:
> >> si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field
> >>
> >>
> >> List technical documents are available at:
> >> http://www.si-list.net
> >>
> >> List archives are viewable at:
> >> //www.freelists.org/archives/si-list
> >>
> >> Old (prior to June 6, 2001) list archives are viewable at:
> >> http://www.qsl.net/wb6tpu
> >>
> >>
> >>
> >
> >
> >--
> >Warm Regards
> >Aneesh G
> >
> >
> >------------------------------------------------------------------
> >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 technical documents are available at:
> > http://www.si-list.net
> >
> >List archives are viewable at:
> > //www.freelists.org/archives/si-list
> >
> >Old (prior to June 6, 2001) list archives are viewable at:
> > http://www.qsl.net/wb6tpu
> >
> >
>
>
>
>
--
Warm Regards
Aneesh G
------------------------------------------------------------------
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 technical documents are available at:
http://www.si-list.net
List archives are viewable at:
//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:
