If you would like to play around with a circuit simulation tool here is a freeware tool by LinearTechnology to start with.
You may download the program from here.
It is easy to work with. Just enter your schematic, select the simulation type and see what signals you get on the different nodes. The following screen shots show some of the menues and a simulation of a colpitts oscillator.



: Full application automation is supported via a new Python scripting library.
: EMTDC subsystems can now be solved in parallel, greatly increasing simulation speed for large projects. pscad v5 download top
: These full editions are available for download through MyCentre for users with active professional licenses or educational maintenance. : Full application automation is supported via a