InSpice

This repository has been forked from it's original repository PySpice.

About

InSpice is a Python interface to the Ngspice and Xyce circuit simulators. It provides a Python API to describe electronic circuits and to run analog simulations.

Installation

You can install InSpice from PyPI:

pip install inspice

For development installation:

git clone https://github.com/Innovoltive/InSpice.git
cd InSpice
pip install -e .

Dependencies

Python >= 3.12
Ngspice (as shared library)
matplotlib (for plotting)
numpy (for numerical computation)

Usage

See the examples directory for various examples of using InSpice.

Basic example:

import InSpice
from InSpice.Unit import *

circuit = InSpice.Circuit('Simple RC Circuit')
circuit.R('1', 'input', 'output', 1@kΩ)
circuit.C('1', 'output', circuit.gnd, 1@µF)

Documentation

For detailed documentation, please refer to the examples and docstrings.

License

InSpice is licensed under the GNU General Public License v3.0 (GPL-3.0), the same license as the original PySpice project.

GNU GPL v3.0

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

Acknowledgments

Original project (PySpice) by Fabrice Salvaire

Copyright (C) 2025 Innovoltive

Modified by Innovoltive on April 18, 2025.

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