[SI-LIST] 回复:Low ESL capacitor footprints
- From: zhangkun 29902 <zhang_kun@xxxxxxxxxx>
- To: esayre@xxxxxxxx
- Date: Fri, 10 Sep 2004 07:07:23 +0800
ed
For this kind of problems=2C the field solver should be used=2E It is not=
easy to provide some equivalent circuits=2E However=2C the ESL is easy t=
o get=2E
Best Regards
Zhangkun
2004=2E9=2E10
----- =D4=AD=D3=CA=BC=FE -----
=B4=D3=3A =22Dr=2E Edward P=2E Sayre=22 =3Cesayre=40nesa=2Ecom=3E
=C8=D5=C6=DA=3A =D0=C7=C6=DA=CB=C4=2C =BE=C5=D4=C2 9=C8=D5=2C 2004 =CF=C2=
=CE=E710=3A06
=D6=F7=CC=E2=3A =5BSI-LIST=5D Low ESL capacitor footprints
=3E Folks=3A
=3E =
=3E I have a need for in-depth information regarding buildable =
=3E footprints for =
=3E Inter-digitated bypass capacitors (IDCs) in the 0805 size=2E I am =
=3E reluctant =
=3E to recommend multiple via hits in the pad since I have questions =
=3E whether it =
=3E is worth the hassle=2E
=3E =
=3E I also need to find out what is any inductance inductance effects =
=3E can be =
=3E expected when there are thermal vias at the connection points in =
=3E the =
=3E power/ground planes rather than a standard via=2E
=3E =
=3E An equivalent circuit would be helpful with different element =
=3E values for =
=3E different pad/via configurations questioned above=2E
=3E =
=3E Thanks -
=3E =
=3E ed sayre
=3E =
=3E =
=3E =
=3E =
=3E +=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=
=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=
=7E+
=3E =7C NORTH EAST SYSTEMS ASSOCIATES=2C INC=2E =7C
=3E =7C ------------------------------------- =7C
=3E =7C =22High Performance Engineering =26 Design=22 =7C
=3E +=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=
=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=
=7E+
=3E =7C Dr=2E Ed Sayre e-mail=3A esayre=40nesa=2Ecom =7C
=3E =7C NESA=2C Inc=2E http=3A//www=2Enesa=2Ecom/ =7C
=3E =7C Primrose Park Tel +1=2E978=2E392-8787 =7C
=3E =7C 5 LAN Drive=2C Ste 200 Fax +1=2E978=2E392-8686 =7C
=3E =7C Westford=2C MA 01886 =7C
=3E +=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=
=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=7E=
=7E+
=3E =
=3E ------------------------------------------------------------------
=3E To unsubscribe from si-list=3A
=3E si-list-request=40freelists=2Eorg with =27unsubscribe=27 in the Subje=
ct field
=3E =
=3E or to administer your membership from a web page=2C go to=3A
=3E http=3A//www=2Efreelists=2Eorg/webpage/si-list
=3E =
=3E For help=3A
=3E si-list-request=40freelists=2Eorg with =27help=27 in the Subject fiel=
d
=3E =
=3E List FAQ wiki page is located at=3A
=3E http=3A//si-list=2Eorg/wiki/wiki=2Epl=3FSi-List=5FFAQ
=3E =
=3E List technical documents are available at=3A
=3E http=3A//www=2Esi-list=2Eorg
=3E =
=3E List archives are viewable at=3A =
=3E http=3A//www=2Efreelists=2Eorg/archives/si-list
=3E or at our remote archives=3A
=3E http=3A//groups=2Eyahoo=2Ecom/group/si-list/messages
=3E Old (prior to June 6=2C 2001) list archives are viewable at=3A
=3E http=3A//www=2Eqsl=2Enet/wb6tpu
=3E =
=3E =
=3E
------------------------------------------------------------------
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:
