Basics uSimmics(ex QucsStudio): Overview and How to Use This Free Circuit Simulator
QucsStudio is now uSimmics. See why it was renamed, what changed, and how to use S-parameters, harmonic balance, tuning and Monte Carlo analysis.
Tutorial
Basics 
Basics QucsStudio / uSimmics Install Guide: Download & Setup [Windows]
Step-by-step Windows guide to install uSimmics (formerly QucsStudio). Download the ZIP, extract it, start with start.bat, and find uSimmics.exe in /bin.
Basics uSimmics (formerly QucsStudio) Initial Setup Guide: Optimizing Your Simulation Workflow [2026]
A complete guide to setting up QucsStudio! Learn how to optimize Document Settings and Application Settings for a more efficient simulation workflow. Perfect for beginners looking to quickly configure their environment.
Basics How to Change the Project Folder Location in uSimmics (formerly QucsStudio) [2026]
Learn how to easily change the project folder location in QucsStudio. This guide provides step-by-step instructions to customize the project folder path using shortcuts. Perfect for beginners to organize their simulation files effectively.
Simulation Parametric Analysis of Electronic Circuits with uSimmics (formerly QucsStudio) [2026]
A detailed explanation of parametric analysis methods for electronic circuit design using QucsStudio. Evaluate circuit behavior by changing specific parameters and aim for design optimization and performance improvement.
Tools Creating Custom User Models in uSimmics (formerly QucsStudio) [2026]
Learn how to create equation components, VerilogA, and C++ models in QucsStudio to enhance the accuracy of your simulations. This guide explains how to build custom models in simple steps, suitable for beginners to advanced users.
Basics Circuit Editor Basic Operations Guide for uSimmics (formerly QucsStudio) [2026]
The Basic Operations Guide for Qucs Studio provides a detailed explanation of how to effectively use the circuit simulation software, introducing the operational procedures of each mode through mouse and keyboard actions. Packed with information beneficial for beginners to advanced users.
Basics How to Create and Use Subcircuits in uSimmics (formerly QucsStudio) [2026]
An all-inclusive guide to efficiently creating and mastering subcircuits in Qucs Studio. From beginners to advanced users, learn how to design and utilize subcircuits with easy steps.
Basics Circuit Optimization Guide for uSimmics (formerly QucsStudio) [2026]
Step-by-step guide to the Circuit Optimizer in uSimmics (formerly QucsStudio): set goals, run the optimization and read the results with worked examples.
Basics Beginner’s Guide to Digital Simulation in uSimmics (formerly QucsStudio) [2026]
Beginner guide to digital simulation in uSimmics (formerly QucsStudio): choosing digital components, wiring them up and running your first simulation.