Hi all I am using ngspice it got this fallowing error for CS amplifier *CS Amplifier M2 2 1 2 0 NFET W=150n L=130N M1 2 3 0 0 nfet W=150N L=130N Vin 3 0 SIN(.6 .01 10kHz 0NS .0001) *Vin 3 4 AC 1 .dc .op vdd 1 0 1.2 .tran 100n 100u this is the above netlist using tsmc 130nm perameters plese slove my probem Thanks Navaram ------------------------------------------------------------------ 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