Hi Peter, You say you got the expected result for open and short. What did you expect for load? It is normal to have a non-flat response curve for load... Regards, Istvan Novak SUN Microsystems padma gundala wrote: > Hi, > > I'm doing a differential insertion loss calibration using a VNA. > I get the expected loss line curve for open and short. > However for load , the loss curve is not smooth, it is chopped throughout. > Can anyone tell what could be the reason. The 50ohm load and thru loads are > from the CAL KIT. > > Appreciate any thoughts ! > > Thanks, > > Peter > > > > ------------------------------------------------------------------ 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.net 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