Get hands-on with the QucsStudio Simulator
A Free and Powerful Circuit Simulator for electrical engineers
There are many simulators that can help you do the math before you actually start designing and prototyping. Add QucsStudio to that list. Qucstudio is a development environment that can help you trying different options and matching circuits. On the feature list from the Qucstudio website we find:
• more than 100 circuit components:
• all popular lumped, RF and digital components,
• microstrip, coplanar and stripline elements,
• SGP, Statz, TOM3, HICUM, JFET, MOSFET models,
• diode, photodiode, tunnel diode, SCR, triac, diac, OpAmp models,
• user-defined components (time, frequency and mixed domain)
• many others …
• DC analysis
• AC analysis (including noise analysis)
• s-parameter analysis (including noise parameter calculation)
• transient analysis (including periodic steady-state simulation)
• Harmonic Balance analysis (including large-signal AC and noise analysis)
• system simulations
• parameter sweeps, powerful optimization algorithms, tolerance analysis and manual tuning with sliders
• creation of user components with:
• equation-defined components (voltage or frequency dependent),
• VerilogA using ADMS by Laurent Lemaitre,
• C/C++ using MinGW compiler
• digital simulations in Verilog using ICARUS by Stephen Williams
• digital simulations in VHDL using GHDL by Tristan Gingold
• electromagnetic field simulation of PCBs
• import of PCB layouts in HyperLynx format with hyp2mat by Koen De Vleeschauwer
• import of GDS II format with libGDSII by M. T. Homer Reid
• PCB layout and Gerber viewer using KiCAD by the KiCAD team
• numerical data processing using Octave by John W. Eaton et al.
• RF transmission line calculator for:
• single & coupled microstrip line,
• single & coupled coplanar waveguide,
• single & coupled stripline,
• coaxial transmission line,
• rectangular waveguide
• twisted pair
• filter synthesis (LC ladder, stepped-Z, microstrip, active filters etc.)
• attenuator synthesis (resistive pi, tee, bridged-tee and splitter topology)
• component designer for inductances and capacitances
• GPIB device control
• import of SPICE and Touchstone files
QucsStudio is a non-commercial project. Many people are involved to make the component and feature list more complete. There are design examples (https://qucsstudio.de/Examples/) and YouTube movies to help you getting familiar. Give it a try and join the community. More information at https://qucsstudio.de
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