On Apr 10, 2009, at 11:04 AM, [email protected] wrote: > Hi, > > I have this assignment for a circuit analysis class. We're supposed > to use pspice, but I'm having a couple of problems using the software. > > We're supposed to find the magnitude and phase of I, I_C, and I_L. > So I loaded up my netlist into ngspice, and I performed a transient > analysis with a step size of 5 ns and a duration of 200 ns: > > ngspice -> tran 5ns 200ns
While it is possible to use transient analysis for this purpose, AC analysis is easier for a linear circuit like this. > > It gave me the voltage, which is good and all, but how do I get the > magnitude and phase of the current without doing it by hand There's a trick: in SPICE, a voltage source of zero volts functions as a current meter. > (i.e. only using ngspice)? Attached is a picture of the schematic > (if that's necessary). > > Best regards, > Albert Chang<spice.png> > > _______________________________________________ > geda-user mailing list > [email protected] > http://www.seul.org/cgi-bin/mailman/listinfo/geda-user John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ [email protected] _______________________________________________ geda-user mailing list [email protected] http://www.seul.org/cgi-bin/mailman/listinfo/geda-user
