OrCAD (All Products) vs Ngspice

Struggling to choose between OrCAD (All Products) and Ngspice? Both products offer unique advantages, making it a tough decision.

OrCAD (All Products) is a Development solution with tags like pcb-design, ic-design, schematic-capture, simulation, layout, autorouting, manufacturing.

It boasts features such as Schematic capture, PCB layout and autorouting, FPGA design, Simulation and analysis, 3D modeling and visualization, Design rule checking, Signal integrity analysis, Thermal analysis, Design data and workflow management and pros including Powerful and full-featured toolset, Good for complex, high-speed designs, Tight integration between modules, Large user community and available expertise, Compatible with industry standards.

On the other hand, Ngspice is a Development product tagged with electronics, semiconductors, circuit-simulation, spice-models, analog-circuits, digital-circuits, mixedsignal-circuits.

Its standout features include 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 it shines with pros like Free and open source, Powerful simulation capabilities, Large model library, Compatible with many SPICE models, Good for learning circuit simulation.

Feature	OrCAD (All Products)	Ngspice
Overall Score	N/A	N/A
Primary Category	Development	Development

Product Overview

OrCAD (All Products)

Description: OrCAD is a suite of electronic design automation software used for printed circuit board, integrated circuit, and programmable logic design. It includes schematic capture, simulation, PCB layout, auto-routing, and manufacturing outputs.

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

OrCAD (All Products) Features

• Schematic capture
• PCB layout and autorouting
• FPGA design
• Simulation and analysis
• 3D modeling and visualization
• Design rule checking
• Signal integrity analysis
• Thermal analysis
• Design data and workflow management

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

OrCAD (All Products)

Pros

• Powerful and full-featured toolset
• Good for complex, high-speed designs
• Tight integration between modules
• Large user community and available expertise
• Compatible with industry standards

Cons

• Steep learning curve
• Can be expensive for smaller teams
• Limited customization compared to open source
• Vendor lock-in

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

OrCAD (All Products)

• Subscription
• Perpetual License

Ngspice

• Open Source