On 03/02/2011 10:05 AM, Daniel B. Thurman wrote: > On 03/02/2011 09:55 AM, Vladimir Zhbanov wrote: >> On Tue, Mar 01, 2011 at 05:59:42PM -0800, Daniel B. Thurman wrote: >>> Hi, I found the time to go back to my past >>> and revisit spice (used older Berkeley spice then) >>> so I tried a simple RLC circuit from the following >>> link and using ngspice: >>> >>> http://www.allaboutcircuits.com/vol_2/chpt_6/3.html >>> >>> Unfortunately, I was not able to duplicate the >>> plots as shown in the above link. I am assuming >>> that the author is using something other than ngspice >>> or I am doing something wrong? >>> >>> Attached is the rlc.sch file with the same circuit sans >>> the circuit netlist but it can be easily generated: >>> >>>> gnetlist -o rlc.cir -g spice-sdb rlc.sch >>> The contents of rlc.cir is: >>> >>> ********************************************************* >>> * Spice file generated by gnetlist * >>> * spice-sdb version 4.28.2007 by SDB -- * >>> * provides advanced spice netlisting capability. * >>> * Documentation at http://www.brorson.com/gEDA/SPICE/ * >>> ********************************************************* >>> *============== Begin SPICE netlist of main design ============ >>> L1 0 3 10mH >>> C1 3 2 10uF >>> R1 1 2 1 >>> V1 1 0 dc 0 ac 1 sin >>> .end >> L1 is 100mH there. Could it help? >> >> -- >> VZh > Duh oh! That worked! > Reminder to self: Get some hi-powered glasses and strong coffee! > > Thanks! There seems to be a problem; v(3) plot is inverted, otherwise the other nodes probes look good. Perhaps this has to do with "vm" which is not a recognized vector, so I just used "v" for node probes. Other than that, it looks good.
_______________________________________________ geda-user mailing list [email protected] http://www.seul.org/cgi-bin/mailman/listinfo/geda-user
