Stanley, If you read just a little bit in the HSPICE manual you will find that the third and fourth fields after the keyword, "pulse" specify the rise time and fall time. In this example the rise time and fall time are both 0.5ns. Regards, Weston -----Original Message----- From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx]On Behalf Of Stanley.Chiu@xxxxxxxxxx Sent: Sunday, December 21, 2003 11:26 PM To: si-list@xxxxxxxxxxxxx Subject: [SI-LIST] hspice field solver question Hi, All A Hspice examle as below; Vin in1 0 pulse 3.3 0 5n 0.5n 0.5n 25ns .material ..................... .shape ..................... .................................. ..................................... ......and then we can get a rlgc table from hspice field -solver, I wonder how do we determine the frequency, rise/fall time of this pulse function?? thanks! ------------------------------------------------------------------ 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 ------------------------------------------------------------------ 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