-- +---------------------------------------------------------------------+ | voice: +1 613 591 3600 | Joachim Mueller, EMC-Approvals | | fax : +1 613 599 3654 | 600 March Rd. P.O. Box 13600 | | e-mail: [email protected] | Kanata, Ontario, (CA) K2K 2E6 | +---------------------------------------------------------------------+ | Newbridge Networks Corporation | | | | __o | | _`\<,_ | | (_)/ (_) | | ~~~~~~~~~~ | +---------------------------------------------------------------------+
> > Hi, > Does anybody have idea about how to calculate the impedance of > stackup with following structures. > > S-S-G-P-S-S ( 6 layers). > > and > > G-S-S-S-S-P (6 layers). > > I checked books and tried to find equations to calculate impedance. > However, I cannot find any. > > > Best Regards, > > JOHNLIN > CAE Engineer of EDA Department > Digital Equipment Corp. Taiwan Branch > Email: [email protected] > TEL: 1-886-3-3900000 ext. 2565 > > >