Hi, What should be the model for the via: a) C/2 to gnd - L - C/2 to gnd or b) L/2 - C to gnd - L/2 The circuit I simulate shows a significant difference between the two cases. Thanks, Dorin -- Binary/unsupported file stripped by Ecartis -- -- Type: text/x-vcard -- File: dorin.oprea.vcf -- Desc: Card for Dorin ------------------------------------------------------------------ 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 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