a free and powerful circuit simulator

Screenshots

Click on the pictures to see them in original size.


schematic editor


DC bias shown within the schematic


optical telecommunication system


layout editor for electromagnetic field simulations


diagrams


interactive formula sheet


running Octave scripts


transmission line calculator (menu: Tools→Line calculation)


component designer (menu: Tools→Domponent Designer)


filter designer (menu: Tools→Filter synthesis)


attenuator designer (menu: Tools→Attenuator synthesis)


PCB layout with KiCAD