Latest Articles | Page 2 | uSimmics (QucsStudio) Tutorial Roadmap: Beginner to Advanced

LTspice vs. uSimmics (formerly QucsStudio): Which Should You Use? [2026]

LTspice vs. uSimmics (formerly QucsStudio): a comparison of simulation engines, features and use cases. RF and high-frequency work: uSimmics. Analog and power design: LTspice. 2026 guide.

What Is Crosstalk? Understanding Parasitic Coupling in PCB Traces

Crosstalk is an unavoidable effect in high-speed PCB design. This article explains crosstalk at the circuit level, focusing on parasitic capacitive and inductive coupling that do not appear in schematics.

Noise Design & EMC

Why Ferrite Beads Work: Damping Ringing with Loss (uSimmics Waveforms)

Learn why ferrite beads reduce ringing: it’s loss, not “inductance.” Compare ideal L, ideal R, and a real bead (.s2p) in uSimmics.

Noise Design & EMC

What Is Ringing? Understanding Jagged Oscillations with uSimmics

Learn what ringing is in high-speed digital circuits.This article explains LC resonance and damping using a minimal circuit and transient analysis in uSimmics, with clear waveform examples.

Noise Design & EMC

Understanding Signal Reflection in High-Speed Digital Circuits

Learn what signal reflection is in high-speed digital circuits.This beginner-friendly guide explains impedance mismatch, transmission lines, and waveform steps using a simple uSimmics simulation.

Noise Design & EMC

Noise Mitigation Basics with uSimmics: Source → Path → Victim

Learn a simple noise/EMC framework: Source → Path → Victim. See how parasitics (L/C/R) change waveforms in uSimmics, including ground bounce and crosstalk. Understand what decoupling caps, ferrite beads, and solid ground planes really do.

Noise Design & EMC

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.

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.

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.

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.

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