Qucs stands for Quite Universal Circuit Simulator.
Qucs is an integrated circuit simulator which means you are able to setup a circuit with a graphical user interface (GUI) and simulate the large-signal, small-signal and noise behaviour of the circuit. After the simulation has finished you can view the simulation results on a presentation page or window.
The software aims to support all kinds of circuit simulation types, e.g. DC, AC, S-parameter and harmonic balance analysis.
Features include:
- Easy to use graphical interface for schematic capture.
- Simulation data representation in various types of diagrams, i.e., Smith-Chart, Cartesian, Tabular, Polar, Smith-Polar combination, 3D-Cartesian, Locus Curve, Timing Diagram and Truth Table.
- Transmission line calculator.
- Filter synthesis.
- Smith-Chart tool for power and noise matching.
- Attenuator design synthesis.
- Device model and subcircuit library manager.
- Optimizer for analog designs.
- Verilog-A interface.
- Support for multiple languages (GUI) and internal help system).
- Subcircuit (including parameters) hierarchy.
- Powerful data post-processing possible using equations.
- Symbolically defined nonlinear and linear devices.
- Documentation including:
- many useful tutorials (WorkBook).
- reports (ReportBook).
- technical description of the simulator.
Website: qucs.sourceforge.net
Support: User Manual, GitHub Code Repository
Developer: Michael Margraf, Stefan Jahn
License: GNU GPL v2
Qucs is written in C++. Learn C++ with our recommended free books and free tutorials.
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