All, Kudos to the guys at Sigrity for making access to their publications hassle free. No sign on, name/address/affiliation/phone number/e-mail address/date of birth/current market value of your company/would you mind if we contact you?/crap. Two clicks and you're there. Free sharing of information. Ken -----Original Message----- From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx]On Behalf Of Ekkehard Miersch Sent: Wednesday, October 22, 2003 4:26 AM To: John@xxxxxxxxxxxx Cc: si-list@xxxxxxxxxxxxx Subject: [SI-LIST] Re: Power plane frequency range and noise level John, you will find under www.sigrity.com, Customer Success Stories the publication of AMD "Modeling of the Electrical Performance of the Power and Ground Supply for a PC Microprocessor on a Card, Sigrity and AMD, EPEP, October 1998". They shifted the original board resonance of the K7-package from about 580MHz to above 1 GHz by placing decouplers on calculated positions of the CP and the PCB and therefore also above the clock frequency. Good luck Ekkehard John Lin (???) wrote: > Dear all SI gurus, > Could some one comment on what range of frequency we need to care for a power plane simulation? > For example, for a power plane to support a chip with 800Mhz bus transition. What is the frequency range I need to set for simulation? > > And if the bus is 1.5voltage type, is ther any guideline to say the amount noise allowed on the power plane? > > Thank you for helps in advance. > > Best Regards > John. > > > > > > ------------------------------------------------------------------ > 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 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 > > -- EFM Consulting Dr. Ekkehard Miersch Dresdener Str.6 D-71101 Schoenaich Germany Tel. +49 (0)7031-6571-13 Fax/Tel. +49 (0)7031-6571-14 mobile : +49 (0)172 72 444 55 miersch@xxxxxxxxxxxxxxxxx EFM.Miersch@xxxxxxxxxxx ------------------------------------------------------------------ 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 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 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