Hello Zhangkun, Please have a look at the following links for some information about: How to model ferrite beads. Regards, Dirk. http://signalintegrity.com/Pubs\edn\ferritebeads.htm=20 http://www.pspice.com/upload/appnotes/appnts.pdf p. 131 - 133 / p. 240 - p. 251 www.pspice.com/upload/appnotes/ferrite_beads.doc > -----Urspr=FCngliche Nachricht----- > Von: Zhangkun [mailto:zhang_kun@xxxxxxxxxx] > Gesendet: Freitag, 15. November 2002 01:29 > An: si-list > Betreff: [SI-LIST] How to make SPICE model of bead >=20 >=20 > Hi all >=20 > I am doing power integrity analysis. I have know how to make=20 > model of capacitor. I want to get the model of bead. How to=20 > measure? What is the model? >=20 > I will prefer your reply. >=20 > Best Regards > Zhangkun > 2002.11.15 >=20 >=20 > ------------------------------------------------------------------ > To unsubscribe from si-list: > si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field >=20 > or to administer your membership from a web page, go to: > //www.freelists.org/webpage/si-list >=20 > For help: > si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field >=20 > List archives are viewable at: =20 > //www.freelists.org/archives/si-list > or at our remote archives: > http://groups.yahoo.com/group/si-list/messages=20 > Old (prior to June 6, 2001) list archives are viewable at: > http://www.qsl.net/wb6tpu > =20 >=20 ------------------------------------------------------------------ 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