Hi, I am going to design as VPX based high speed SBC processor module. The no. of layer of the module, may be reach upto 20. I have lot of doubt in Mutual inductance and capacitance, cross talk. *Plz can share PCB layout related documents and guide lines of stack up for high speed digital design.* Thanks and Regards Suresh R S ------------------------------------------------------------------ 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 forum is accessible at: http://tech.groups.yahoo.com/group/si-list List archives are viewable at: //www.freelists.org/archives/si-list Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu