Ngspice vs LTspice

Struggling to choose between Ngspice and LTspice? Both products offer unique advantages, making it a tough decision.

Ngspice is a Development solution with tags like electronics, semiconductors, circuit-simulation, spice-models, analog-circuits, digital-circuits, mixedsignal-circuits.

It boasts features such as 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 and pros including Free and open source, Powerful simulation capabilities, Large model library, Compatible with many SPICE models, Good for learning circuit simulation.

On the other hand, LTspice is a Development product tagged with circuit-simulation, analog-circuits, spice.

Its standout features include Schematic capture, SPICE simulation engine, Waveform viewer, Component library, Macros, Behavioral modeling, Encryption, and it shines with pros like Free and open source, User friendly interface, Large component library, Good for simulating analog circuits, Can handle complex designs, Cross platform.

Feature	Ngspice	LTspice
Overall Score	N/A	N/A
Primary Category	Development	Development

Product Overview

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.

LTspice

Description: LTspice is a free circuit simulation software by Analog Devices. It is used for simulating analog and mixed-signal circuits. LTspice allows schematic capture and waveform viewing to verify circuit designs and study circuit behavior.

Key Features Comparison

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

LTspice Features

• Schematic capture
• SPICE simulation engine
• Waveform viewer
• Component library
• Macros
• Behavioral modeling
• Encryption

Pros & Cons Analysis

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

LTspice

Pros

• Free and open source
• User friendly interface
• Large component library
• Good for simulating analog circuits
• Can handle complex designs
• Cross platform

Cons

• Limited to analog/mixed-signal circuits
• Steep learning curve
• No collaborative features
• Limited technical support

Pricing Comparison

Ngspice

• Open Source

LTspice

• Free
• Open Source