LTspice Reference Documentation

Comprehensive documentation repository for LTspice - the free, high-performance SPICE simulator from Analog Devices.

Overview

This repository is organized to provide multiple types of documentation for different use cases:

AI Reference - Structured markdown documentation optimized for AI assistants
User Manual - (planned) Traditional user guide and tutorials
Example Circuits - (planned) Annotated circuit examples and design patterns

About LTspice

LTspice is a general-purpose SPICE simulator with built-in schematic capture and waveform viewer, developed by Analog Devices. Freely distributed, it includes a large collection of component models for simulating analog circuits with high confidence.

Website: http://www.analog.com/ltspice
Forum: https://ez.analog.com/design-tools-and-calculators/ltspice/

AI Reference

Markdown-formatted reference documentation designed for AI assistants to provide accurate LTspice guidance. Covers:

Quick start and keyboard shortcuts
Complete menu reference
SPICE syntax and circuit elements
Simulation commands and analysis types
Device models and third-party integration
Waveform viewer and measurement database
Troubleshooting and FAQ

For AI assistants: See ai_ref/README.md for setup instructions and usage guidelines.

Contributing

Contributions welcome! This documentation aims to be:

Accurate - Verified against current LTspice behavior
Complete - Comprehensive coverage of features
Practical - Focused on real-world usage

License

This documentation is licensed under the Apache License 2.0.

LTspice software itself is proprietary software from Analog Devices - see their website for software licensing terms.