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Quite Universal Circuit Simulator
Quite Universal Circuit Simulator (Qucs) is a free-software electronics circuit simulator software application released under GPL. It offers the ability to set up a circuit with a graphical user interface and simulate the large-signal, small-signal and noise behaviour of the circuit. Originally, Qucs was composed of a circuit simulator "qucs-core", now Qucsator, and a GUI for schematic entry and plotting. The usage patterns, as well as the emphasis on RF design, were inspired by some commercial tools of the time. Later, support for other simulators has been added to cover VHDL, Verilog and SPICE engines to some extent. At this stage both devices and circuits were specific to the targeted simulator or specific versions thereof. In particular, neither was Qucsator based on SPICE, nor did a SPICE based simulator replace Qucsator at any given time. In the meantime, Qucs has been forked to accommodate specific needs, most notably Caneda and Qucs-S.
Today, Qucs ships a list of analog and digital components including sub-circuits for use with a variety of simulators. It is intended to be much simpler to use and handle than other circuit simulators like gEDA or PSPICE. The current roadmap aims to decouple schematic representation, device modelling and preferred simulator choices by means of adopting concepts from the IEEE1364 industry standard.
Analysis types include S-parameter (including noise), AC (including noise), DC, transient analysis, harmonic balance (not yet finished), digital simulation (VHDL and Verilog-HDL) and parameter sweeps.
Qucs has a graphical interface for schematic capture. Simulation data can be represented in various types of diagrams, including Smith chart, cartesian, tabular, polar, Smith-polar combination, 3D cartesian, locus curve, timing diagram and truth table.
The documentation offers many tutorials, reports and a technical description of the simulator.
Other features include the 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, the Verilog-A interface, support for multiple languages (GUI and internal help system), subcircuit (including parameters) hierarchy, data post-processing using equations and symbolically defined nonlinear and linear devices.
Qucs consists of several standalone programs interacting with each other through a GUI.
The GUI is used to create schematics, setup simulations, display simulation results, writing VHDL code, etc.
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Quite Universal Circuit Simulator AI simulator
(@Quite Universal Circuit Simulator_simulator)
Quite Universal Circuit Simulator
Quite Universal Circuit Simulator (Qucs) is a free-software electronics circuit simulator software application released under GPL. It offers the ability to set up a circuit with a graphical user interface and simulate the large-signal, small-signal and noise behaviour of the circuit. Originally, Qucs was composed of a circuit simulator "qucs-core", now Qucsator, and a GUI for schematic entry and plotting. The usage patterns, as well as the emphasis on RF design, were inspired by some commercial tools of the time. Later, support for other simulators has been added to cover VHDL, Verilog and SPICE engines to some extent. At this stage both devices and circuits were specific to the targeted simulator or specific versions thereof. In particular, neither was Qucsator based on SPICE, nor did a SPICE based simulator replace Qucsator at any given time. In the meantime, Qucs has been forked to accommodate specific needs, most notably Caneda and Qucs-S.
Today, Qucs ships a list of analog and digital components including sub-circuits for use with a variety of simulators. It is intended to be much simpler to use and handle than other circuit simulators like gEDA or PSPICE. The current roadmap aims to decouple schematic representation, device modelling and preferred simulator choices by means of adopting concepts from the IEEE1364 industry standard.
Analysis types include S-parameter (including noise), AC (including noise), DC, transient analysis, harmonic balance (not yet finished), digital simulation (VHDL and Verilog-HDL) and parameter sweeps.
Qucs has a graphical interface for schematic capture. Simulation data can be represented in various types of diagrams, including Smith chart, cartesian, tabular, polar, Smith-polar combination, 3D cartesian, locus curve, timing diagram and truth table.
The documentation offers many tutorials, reports and a technical description of the simulator.
Other features include the 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, the Verilog-A interface, support for multiple languages (GUI and internal help system), subcircuit (including parameters) hierarchy, data post-processing using equations and symbolically defined nonlinear and linear devices.
Qucs consists of several standalone programs interacting with each other through a GUI.
The GUI is used to create schematics, setup simulations, display simulation results, writing VHDL code, etc.