Qucs is a integrated circuit simulator for rapid development of analog and digital circuits and wide range of simulations.
DC, AC, S-parameter, noise and transient analysis are supported, mathematical equations and use of a subcircuit hierarchy are available. Digital circuit models and simulations are supported thanks to integration with FreeHDL and Icarus Verilog.
Output is may be presented with wide variety of graph and tabular charts.
The package consists of two utilities:
Qucs, elegant and powerfull GUI for designing and simulating circuits, with point-and-click interface, based on Qt® by Digia®.
Qucsator, a command line circuit simulator. It takes a network list in a certain format as input and outputs a Qucs dataset. May also be used by applications other than