Qucs 0.0.19 Full Description
Qucs is a circuit simulator with graphical user interface. The software aims to support all kinds of circuit simulation types, e.g. DC, AC, S-parameter, Harmonic Balance analysis, noise analysis, etc.
Qucs stands for Quite Universal Circuit Simulator. So far Qucs is not yet finished, but it is already packed with features. Take a look at the screenshots to get a feel for what it can do.
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 that simulation has finished you can view the simulation results on a presentation page or window.
Qucs, briefly for Quite Universal Circuit Simulator, is a circuit simulator with graphical user interface (GUI). The GUI is based on Qt® by Digia®. The software aims to support all kinds of circuit simulation types, e.g. DC, AC, S-parameter, Harmonic Balance analysis, noise analysis, etc.
Qucsator, the simulation backend, is a command line circuit simulator. It takes a network list in a certain format as input and outputs a Qucs dataset. It has been programmed for usage in the Qucs project but may also be used by other applications.
The Qucs GUI is well advanced and allows setting up schematics and presenting simulation results in various types of diagrams. DC, AC, S-parameter, noise and transient analysis is possible, mathematical equations and use of a subcircuit hierarchy (with parameterised subcircuits) are available. Qucs can also import existing SPICE models for use in your simulations.
While Qucs is well developed, we still strive to improve the project, and will always welcome offers of help. Qucs doesn't just need help with programming, it also needs graphics, high quality example schematics, tutorials for the website and lots more.
Qucs comes with a huge array of components and models including HICUM, BSIM2, BSIM3, and soon BSIM6. It also provides many semiconductor based components and models such as OpAmps, Diodes, MOSFETs, PMOSFETs and many more. Some example schematics can be found here which demonstrate some of the abilities of Qucs, and many more examples are provided with the program.
Release notes:
New Release
Update translations for various languages
Fix diagram color picker button (#30)
Fix zoom in a box (#31)
[NEW] Command line to save schematic as image (png, svg, pdf) (#32)
[NEW] Add component MutualX (#54)
[NEW] Enable anti-aliasing, provide it as option (#73)
[NEW] Add search file on component dock (PR#86)
Fix rendering of component text properties (PR#87, PR#98)
[NEW] Add recently opened menu (PR#95, PR#207)
Fix crash when loading timingdiagram (#112)
Refactor text search dialog (PR#124)
Correct simulator process exit check (#132)
Refactor project manager (PR#153)
Deprecated use of HOME environment variable (#204)
[NEW] Enable use of QUCSATOR environment variable to override qucsator (PR#209)
Fix bug on deactivation (short-circuiting) a component (#216)
Various usability enhancements (PR#232)
Adjust various dialogs for a better table sizing
Results of Optimization dialog can be copied to clipboard and pasted as an Equation
Fix usage of font metrics in the schematic
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Qucs full changelog ]
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