LTspice

A free SPICE circuit simulator with schematic capture and a waveform viewer, from Analog Devices.

FreeProprietaryWindows

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About LTspice

LTspice is a SPICE-based analog circuit simulator from Analog Devices. You draw a circuit in its schematic editor, run a simulation, and inspect voltages and currents in the built-in waveform viewer.

It is used by electronics engineers, students and hobbyists to check how a circuit behaves before building it. The official page blocked automated access at research time, so details beyond simulation, schematic capture and waveform viewing are not described here.

Strengths

  • SPICE simulation with schematic capture in one program
  • Built-in waveform viewer for inspecting results
  • Free of charge

Limitations

  • Simulation only, with no PCB layout
  • Details could not be confirmed from the official page at research time

Details

Pricing
FreeFree to download from Analog Devices.
License
Proprietary
Developer
Analog Devices
Platforms
Windows
How it runs
Downloadable app
Best suited for
Electronics engineers, students and hobbyists simulating analog circuits
Categories
3D and CAD
Last verified
Added
Provenance
Facts checked against the developer's own pages and store listings, 1 sources on file.

Alternatives to LTspice

Compare all

Software that can replace LTspice for an important use case, and what changes if you switch.

  • ngspice

    An open-source SPICE simulator for analog, digital and mixed-signal electronic circuits described as netlists.

    ngspice is open source and handles analog, digital and mixed-signal simulation from netlists, accepting LTSPICE models, but it has no built-in schematic entry.

  • Qucs-S

    An open-source circuit simulator interface that drives SPICE engines such as Ngspice.

    Qucs-S is an open-source graphical front end for SPICE engines such as Ngspice, running on Windows, macOS and Linux, while LTspice is Windows only.

  • Proteus Design Suite

    Electronics design software combining schematic capture, circuit and microcontroller simulation, and PCB layout.

    PaidProprietaryWindows

    Proteus Design Suite adds microcontroller firmware simulation and PCB layout to circuit simulation, but it needs a commercial licence with pricing not listed on its homepage.

  • OrCAD X

    Cadence's commercial PCB design suite for schematic capture, simulation and board layout.

    PaidProprietaryWindows

    OrCAD X is Cadence's commercial Windows suite combining schematic, SPICE and mixed-signal analysis in higher editions, plus PCB layout, with paid licences.

Similar software

Related functionality, not necessarily a direct replacement.

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