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Circuit Simulators

  1. This is a javascript electronic circuit simulator. When the applet starts up you will see an animated schematic of a simple LRC circuit. The green color indicates positive voltage. The gray color indicates ground. A red color indicates negative voltage.

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    1.  PortableCircuit JS can be used from a USB stick or similar with no prior installation.
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  2. The Quite Universal Circuit Simulator (QUCS) is an integrated circuit simulator allowing the simulation and graphical presentation of results of large-signal, small-signal and noise behavior in circuits.

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  3. LTspice IV is a high performance Spice III simulator, schematic capture and waveform viewer with enhancements and models for easing the simulation of switching regulators.

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  4. EasyEDA - Web-based and desktop EDA suite; runs in browser, Windows, Mac, or Linux. Schematic capture, Ngspice based simulation, PCB layout, custom PCB manufacturing, for electronic engineers, educators, students and hobbyists.

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  5. This electronic circuit simulator is highly interactive giving the feeling of playing with real components. It's very helpful for experimentation and visualization. It's a desktop version of the Circuit JS.

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    1.  PortableCircuit Simulator (CircuitJS1) can be used from a USB stick or similar with no prior installation.
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  6. The gEDA project has produced and continues working on a full GPL'd suite and toolkit of Electronic Design Automation tools. These tools are used for electrical circuit design, schematic capture, simulation, prototyping, and production.

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  7. SimulIDE is a simple real time electronic circuit simulator. It's intended for general purpose electronics and microcontroller simulation, supporting PIC and AVR. PIC simulation is provided by gpsim and avr simulation by simavr.

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  8. Sketch, simulate, and share your circuits, entirely in your browser -- no install required. Easy schematic capture and powerful SPICE-like, mixed-mode circuit simulation helps EE students, electronics hobbyists, and electrical engineers design faster.

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  9. Digital icon
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    • Linux
    12 alternatives to Digital 

    A simulator for digital circuits.

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  10. Integrated schematic editor and simulator. Dynamic analysis updates waveforms and curves as you edit Native digital simulator Worst Case analysis to find the statistical and extreme limits of performance Smoke Analysis to assess how close the circuit is to violating maximum opera.

    Integrated schematic editor and simulator
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  11. Everycircuit icon
    • Android
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    • Kindle Fire
    12 alternatives to Everycircuit 

    Design and simulate electronic circuits! All joking aside, this time you will understand how electronic circuits work. "I stumbled upon some serious gold" - GeekBeat.tv "A fully realized circuit simulator" - EDA360 Insider Build any circuit, tap play button, a.

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  12. Its advanced simulation engine can handle both analog and digital circuits and features realtime always-on analysis. It is the perfect companion to students, hobbyists, and engineers.

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  13. Schematics.com empowers engineers to design, share, and collaborate on circuit design online.

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  14. Logisim icon
    • Mac
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    • Linux
    17 alternatives to Logisim 

    Logisim is an educational tool for designing and simulating digital logic circuits. With its simple toolbar interface and simulation of circuits as you build them, it is simple enough to facilitate learning the most basic concepts related to logic circuits.

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  15. Electric icon
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    2 alternatives to Electric 

    The Electric VLSI Design System is an open-source Electronic Design Automation (EDA) system that can handle many forms of circuit design, including:

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