Proteus PCB Design

Proteus PCB Design software combines the Schematic Capture and ARES PCB Layout products to create a powerful, integrated, and user-friendly set of tools for professional printed circuit board design. The Proteus PCB Design tool set is a professional's choice for modern PCB layout. With over 25 years of continual development and innovation, the focus is still on extending capabilities while keeping a simple, clean user interface and close connection with the schematic design. 

All Proteus PCB products have a wide range of core capabilities, with more sophisticated features added at higher product levels (PCB Level 2 and above). These are covered further in the following sections. Design capacity also varies by product range, from 500 pins in the app Starter Kit to limitless design capacity in the PCB Design Level 3 and Platinum products.

Product Range Overview

• 16 copper layers with 10nm resolution and any angle arrangement. 
• Lightning-fast hardware-accelerated display. 
• Constraint-driven layout using Design Rules Aware straight and curved interactive routing. 
• Integrated Shape-Based Autorouting is offered as standard.

Features and Highlights

Footprint Libraries 
The libraries provided cover a wide range of through-hole components, including the most common IC, transistor, diode, and connection packaging types. It also includes the full IEC libraries and SMT footprints, which cover all standard discrete and IC packaging designs. There are two standard surface mount libraries included: IPC-782 and IPC-7351. More importantly, it offers a smooth import tool for CAD parts, giving you access to over 14 million parts from popular suppliers like SamacSys Library Loader, SnapEDA, PCB Library Expert, and Ultra-Librarian. 

Templates and Tech Data 
The layout module contains a complete scheme for design reuse, such as board templates and technological data. A user can create many templates representing typical projects and then utilize the templates to establish new layouts with all of the supplied information. A default selection of common Eurocard boards is included as standard. A template file combines a fundamental layout (board edge, mounting holes, etc.) with a technological data set. 

Manual routing 
Manual routing does not require you to start from the ratsnest lines (rubberbanding). You can place tracks in whatever configuration you choose, and Proteus will remove ratsnest lines as the connections are made. During track placement, the route will follow the mouse whenever possible and intelligently navigate around obstacles while adhering to the project's design standards. When altering routes, you can reroute or delete any piece of a track, regardless of how it was originally placed. Commands are also available to adjust the thickness and/or layer of any segment of track. 

Length Matching 
Track length matching is a critical step in guaranteeing accurate timing at the signal receiver for high-speed transmissions. Proteus supports automatic track length matching via a simple select and match user interface. This includes the ability to store track segments in numerous match groups, which is required for routing topologies such as the DDR3 fly-by configuration. 

Shape-Based Automatic Routing 
The Proteus design suite features a world-class integrated shape-based autoroute as standard with all professional purchases. The router employs powerful cost-based conflict reduction algorithms, which have been shown to maximize completion rates on even the most densely packed boards. Users with the sophisticated feature set (PCB Design Level 2 and higher) can run the router by writing custom routing scripts or entering routing commands interactively. This adds numerous new capabilities, including the option to route only specific areas or net classes, as well as increased flexibility, such as the ability to specify the fanout direction or length. 

Power Planes 
It includes the most advanced power plane support - user-placeable polygonal regions with inner borders generated automatically around existing pads and tracking. Change the pads and tracking, and the boundaries are recalculated to keep design rule clearances. Thermal reliefs are supported, and you can decide whether to hatch or fill each polygon. Inner zones (nested zones) can be added, as well as unconnected copper islands suppressed. All computation is based on grid-less shape geometry and takes place in the background, ensuring that human board placement does not interfere with computationally complex layouts. 

Stitching and Shielding 
Via stitching is a technique for connecting bigger copper areas on separate layers, which helps keep return paths short and reduces noise on the PCB. A simple context menu command allows you to automatically stitch planes in the suite. This allows you to alter the stitching pattern's style as well as its spacing and row offsets. 

Teardrops 
Teardrops are commonly utilized at the connecting point between track and pad to prevent drill breakout during board manufacturing. Proteus PCBDesign provides extensive support for teardrops. When enabled, teardrop connections will be established to all qualified routes. They are then generated, updated, and erased as you add, alter, and delete routes during board layout. 

Verification 
During manual routing, it inspects each track as you install it and alerts you if any design rules (physical or electrical) are breached. You can fully configure the board limitations by specifying rules for physical regions such as a layer or a user-drawn portion of the PCB. You can also specify restrictions by electrical net class and, if necessary, combine them to create even tighter constraints. 

Project Notes 
Project Notes is a software application feature that allows users to contribute documentation or written content to their projects. It is a free-form editor, so you can add anything in any style you choose. This might be as basic as jotting a TBD list at the end of the workday, or as formal as an approved revision history for the project. 

3D visualisation 
The 3D Visualization Tool (3D Viewer) in Proteus allows you to extrude a layout and see the board as it would appear in real life. This is highly handy as a design tool for board layouts. Navigation, both orbital and 'fly-by', is relatively simple and mouse-controlled. The user can also define a 'height plane' that corresponds to the board chassis and appears as a semi-transparent box around the board, allowing for a rapid visual check for protrusions. 

Output Formats
It not only supports the fundamental ability to output your PCB to ordinary Windows printers, but it also has a comprehensive range of tools for professional board production. Gerber X2 is the primary manufacturing output format. This format, together with an IPC-D-356 netlist and optional assembly drawings, gives your manufacturer an intelligent and full depiction of the PCB. Traditional Gerber/Excellon output using the RS274X format is also supported.

Keep in mind: In the demo version, you cannot print any Schematics, Bill of Materials, or Layouts. You cannot save your work. You cannot mimic your own microcontroller designs.

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