Gnucap vs Ngspice

Gnucap — Gnucap is a free, open-source circuit simulator for Linux, Windows, and Mac operating systems. It allows users to design, test, and analyze analog, digital, and mixed-signal circuits before actually c

Ngspice — Ngspice is an open-source circuit simulator for electronics and semiconductors. It allows analyzing, modeling, and testing analog, digital and mixed-signal circuits with over 500 spice models of MOSFE

Gnucap offers Circuit simulation, Modeling of semiconductor devices, Analysis of analog, digital and mixed-signal circuits, DC, AC, transient and noise analyses, Netlist based design entry, while Ngspice provides SPICE circuit simulator, Supports digital, analog and mixed-mode circuits, Has an extensive model library, Supports PSpice compatible models, Has a graphical waveform viewer.

Gnucap stands out for Free and open source, Available on Linux, Windows and Mac, Powerful simulation capabilities; Ngspice is known for Free and open source, Powerful simulation capabilities, Large model library.

Feature	Gnucap	Ngspice
Overall Score	N/A	N/A
Primary Category	Development	Development
Pricing	Open Source	Free

Product Overview

Gnucap

Description: Gnucap is a free, open-source circuit simulator for Linux, Windows, and Mac operating systems. It allows users to design, test, and analyze analog, digital, and mixed-signal circuits before actually constructing them.

Ngspice

Description: Ngspice is an open-source circuit simulator for electronics and semiconductors. It allows analyzing, modeling, and testing analog, digital and mixed-signal circuits with over 500 spice models of MOSFETs, BJTs, diodes, transformers, etc.

Key Features Comparison

Gnucap Features

• Circuit simulation
• Modeling of semiconductor devices
• Analysis of analog, digital and mixed-signal circuits
• DC, AC, transient and noise analyses
• Netlist based design entry
• Graphical waveform viewer
• Model parameter sweeping
• Subcircuit hierarchy

Ngspice Features

• SPICE circuit simulator
• Supports digital, analog and mixed-mode circuits
• Has an extensive model library
• Supports PSpice compatible models
• Has a graphical waveform viewer
• Can generate netlists from schematics
• Has Monte Carlo and worst-case analysis
• Can do DC, AC, Transient and Fourier analysis

Pros & Cons Analysis

Gnucap

Pros

• Free and open source
• Available on Linux, Windows and Mac
• Powerful simulation capabilities
• Netlist based design entry
• No artificial limitations

Cons

• Steep learning curve
• Limited documentation and tutorials
• No schematic editor
• Text based netlist design entry less intuitive than GUI

Ngspice

Pros

• Free and open source
• Powerful simulation capabilities
• Large model library
• Compatible with many SPICE models
• Good for learning circuit simulation

Cons

• Steep learning curve
• Limited documentation and support
• No integrated schematic editor
• User interface is not very intuitive

Pricing Comparison

Gnucap

• Open Source

Ngspice

• Free