Features

Currently the following applications are supported:

• Results give very good agreement with commercial simulators,
  e.g. comparison between Keysight ADS® and QucsStudio: for BJTs and for microstrip line.
• 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
• technical documentation of all models and types of simulation
• support of German and English language
• displaying HTML files (e.g. for documentation)