ngspice is the open source spice simulator for electric and electronic circuits. Such a circuit may comprise of JFETs, bipolar and MOS transistors, passive elements like R, L, or C, diodes, …

Ngspice has a command line input interface and offers plotting capability. An open source GUI with schematic entry, simulation and plotting is provided by Qucs-S.

If you are interested, browse the site and discover what ngspice offers and what needs. If you think you can help, join the development team. Ngspice is an ongoing project, growing …

Jan 11, 2020 · Download ngspice for free. Ngspice project aims to improve the spice3f5 circuit simulator.

Jul 18, 2022 · Most modern circuit simulators are based on the SPICE (Simulation Program with Integrated Circuit Emphasis) simulator, developed at UC Berkeley, and first presented in 1973. …

This ngspice under development contains the KLU solver, the OpenVAF/OSDI interface for Verilog-A device models, and all of the new features recently added to ngspice.

Ngspice is an open-source circuit simulator that supports the standard BSIM transistor models that were developed at UC Berkeley. There are many similar commercial simulators such as …

Ngspice is an update of Spice3f5, the last Berkeley’s release of Spice3 simulator family. Ngspice is being developed to include new features to existing Spice3f5 and to fix its bugs.

This manual is intended to provide a complete description of ngspice’s functionality, features, commands, and procedures. This manual is not a book about learning SPICE usage, however …

This tutorial describes how to use ngspice for simulating analog or digital circuits.