[SI-LIST] Re: High Speed Routing
- From: Scott McMorrow <scott@xxxxxxxxxxxxx>
- To: zeeshan73@xxxxxxxxx
- Date: Wed, 30 May 2007 20:07:06 -0400
Zeeshan,
Feel free to send me the bill. It's the most I can do.
Scott
Scott McMorrow
Teraspeed Consulting Group LLC
121 North River Drive
Narragansett, RI 02882
(401) 284-1827 Business
(401) 284-1840 Fax
http://www.teraspeed.com
Teraspeed® is the registered service mark of
Teraspeed Consulting Group LLC
Zeeshan Siddiqi wrote:
> Scott: you owe me a keyboard.. i laughed so hard pepsi
> came out my nose.. thanks for the mid week relief.
>
> Pon: We are all here to learn and share our
> experiences. If you have a specific questions, than
> the gurus will be more than happy to impart their
> wisdom, but the questions you presented were so open
> ended that most of us here could fill entire volumes
> discussing them. Hope you would spend some time
> googling the material and come back with some
> interesting questions. Best of luck.
>
> -zeeshan
>
>
>
>>> [Original Message]
>>> From: Scott McMorrow <scott@xxxxxxxxxxxxx>
>>> To: <ponganesh@xxxxxxxxxxxxxxxxxx>
>>> Cc: <si-list@xxxxxxxxxxxxx>
>>> Date: 5/30/2007 10:47:39 AM
>>> Subject: [SI-LIST] Re: High Speed Routing
>>>
>>> Pon,
>>>
>>> Go out and do your own research before you pose a
>>>
>> plethora of questions
>>
>>> like this. It looks like you are a University
>>>
>> student trying to answer
>>
>>> questions on a take-home test.
>>>
>>> Scott
>>>
>>> Scott McMorrow
>>> Teraspeed Consulting Group LLC
>>> 121 North River Drive
>>> Narragansett, RI 02882
>>> (401) 284-1827 Business
>>> (401) 284-1840 Fax
>>>
>>> http://www.teraspeed.com
>>>
>>> Teraspeed® is the registered service mark of
>>> Teraspeed Consulting Group LLC
>>>
>>>
>>>
>>> Pon Ganesh wrote:
>>>
>>>> Expecting your answers for the below.
>>>> a.. I have two groups of signals Group-A (3GHz
>>>>
>> differntial pair) and
>> Group-B (16bit, 250MHz DDR2 single ended lines).
>> Both A&B can't be routed
>> in inner layers. Either one must be routed on
>> Microstrip. Which one u ll
>> route in Micro strip (Single ended-250Mhz/diff3Ghz)
>> ?
>>
>>>> b.. Whats the use of dual stripline, when
>>>>
>> no.of layers is not a
>> issue.,
>>
>>>> c.. why don't u prefer odd-no of layers ? (
>>>>
>> answers other than... PCB
>> warpage, Fab feasilbility and Cost)
>>
>>>> d.. U have 20MHz and 200MHz signal on a same
>>>>
>> layer. How ll u route .
>> Isolation ?
>>
>>>> e.. How stitching capacitors are useful to
>>>>
>> minimize in-rush current
>>
>>>> f.. When ll u use spoke vias. whts the
>>>>
>> disadvantage of spoke vias
>>
>>>> g.. Why do we noramlly short isolated Analog
>>>>
>> and Digital digital GNDs
>> on a small area
>>
>>>> Thanks,
>>>> Pon Ganesh
>>>> **************** CAUTION - Disclaimer
>>>>
>> *****************This email may
>> contain confidential and privileged material for the
>>
>>>> sole use of the intended recipient(s). Any
>>>>
>> review, use, retention,
>> distribution or disclosure by others is strictly
>> prohibited. If you are not
>> the intended recipient (or authorized to receive for
>> the recipient), please
>> contact the sender by reply email and delete all
>> copies of this message.
>> Also, email is susceptible to data corruption,
>> interception, tampering,
>> unauthorized amendment and viruses. We only send and
>> receive emails on the
>> basis that we are not liable for any such
>> corruption, interception,
>> tampering, amendment or viruses or any consequence
>> thereof.
>>
>>>> *********** End of Disclaimer
>>>>
>> ***********DataPatterns ITS
>> Group**********
>>
>>>>
>>>>
> ------------------------------------------------------------------
>
>>>> 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
>>>> 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 technical documents are available at:
>>> http://www.si-list.net
>>>
>>> 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 technical documents are available at:
>> http://www.si-list.net
>>
>> 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
>>
>>
>>
>>
>
>
>
>
> ____________________________________________________________________________________Get
> the Yahoo! toolbar and be alerted to new email wherever you're surfing.
> http://new.toolbar.yahoo.com/toolbar/features/mail/index.php
> ------------------------------------------------------------------
> 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
> 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 technical documents are available at:
http://www.si-list.net
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:
