In future Qucs releases will be accompanied by two or more basic Qucs documents. Hence, however much documentation is written there are always likely be simulation and modelling examples that are missing from the Qucs documentation. Qucs is a large and complex package which is very flexible in the way that it can be used as a circuit design aid. Simulation and the modelling features built into Qucs. One of the most often requested new Qucs features is “better documentation”, especially documentation outlining the use and limitations of the Model development plus a range of compact and behavioural device modelling and post simulation data analysis tools that have become centralįeatures in this open source software package of surprising power and utility. Manipulation, Equation-Defined Device (EDD) modelling, Radio Frequency Equation-Defined Device (RFEDD) simulation and Verilog-A synthesised The recent versions of the software include code for algebraic equation Made to improve the device modelling tools distributed with Qucs. Including for example, transient simulation, device parameter sweep capabilities and single tone Harmonic Balance simulation, making Qucsįunctionality comparable to SPICE at low frequencies and significantly extended at high frequencies. In the years following 2003 the Qucs Development team has added a number of additional simulation facilities, Provided users with a relatively stable, flexible and functional circuit simulation package which is particularly suited to Since it was first release under the General Public License (GPL) in 2003 Qucs has Qucs was originally written as an RF and microwaveĮngineering design tool which provided features not found in SPICE, like S parameter simulation, two and multiport small signal ACĬircuit analysis and RF network synthesis. The project also aims toĪdd additional model development tools to those currently available in Qucs-0.0.18. Version of Qucs while attempting to combine some of the best features of other GPL circuit simulation packages. It addresses a number of problems observed with the current Following the release of Qucs-0.0.18 in August 2014 the Qucs Development Team considered in detail a number of possible directions thatįuture versions of the software could take.
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