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| File - Download Qucs v0.0.19 | ||||||||
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A plea... Deanna and I have been running this site since 2008 and lately we're seeing a big increase in users (and cost) but a decline in percentage of users who donate. Our ad-free and junkware-free download site only works if everyone chips in to offset the revenue that ads on other sites bring in. Please donate at the bottom of the page. Every little bit helps. Thank you so much. Sincerely, your Older Geeks: Randy and Deanna Always scroll to the bottom of the page for the main download link. We don't believe in fake/misleading download buttons and tricks. The link is always in the same place. Qucs v0.0.19 👉 Open-source circuit simulator for analog and digital electronics design and analysis. Qucs (Quite Universal Circuit Simulator) is an open-source electronics circuit simulator designed to perform circuit simulation using graphical schematic capture and a powerful simulation backend. It allows users to design circuits visually and analyze them with a wide range of simulation types including DC, AC, S-parameter, transient, harmonic balance, and noise analysis. Qucs features an intuitive graphical user interface for schematic entry, simulation setup, and result visualization. Simulation results can be displayed in various forms such as Cartesian, polar, Smith charts, tabular data, and timing diagrams. The software supports analog and digital components, RF simulation capabilities, and equation-defined devices, making it suitable for students, hobbyists, and engineers. Qucs uses SPICE-compatible simulation engines and supports netlist-based simulation, giving users flexibility in circuit analysis. It also includes optimization tools, parameter sweeps, and support for user-defined components and models. ![]() Features: Graphical schematic capture with component library DC, AC, transient, S-parameter, noise, and harmonic balance simulations RF circuit simulation capabilities Parameter sweeps and optimization tools Equation-defined devices and custom models SPICE-compatible netlist support Data visualization including Cartesian, polar, and Smith charts Tabular and timing diagram result display Subcircuit and hierarchical design support Cross-platform open-source application Supported operating systems: Windows (XP, Vista, 7, 8, 10) Linux FreeBSD macOS Supported languages: English ![]() ![]() This download is for the Windows version (very bottom of page). If you need the macOS version, download here. Click here to visit the author's website. Continue below for the main download link. |
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| Downloads | Views | Developer | Last Update | Version | Size | Type | Rank | |
| 6,494 | 14,827 | Qucs team | Mar 01, 2026 - 17:16 | 0.0.19 | 45.92MB | ZIP | , out of 93 Votes. |
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| Quite Universal Circuit Simulator v0.0.19 Qucs | ||||||||
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