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What Are the Main Skew Sources in a PCB?
Blog
Addressing Skew Sources in High Speed PCBs

If you compile a list of skew sources, you'll see that fiber weave-induced skew is only one entry on a long list of skew sources. We'll look at this list of possible skew sources below, and we'll see how they affect the operation of your PCB. From the list below, we'll see that some of these issues with skew are not simply solved by paying attention to the fiber weave construction in a PCB substrate.

Advanced Topics in High-Speed Design
On-Demand Webinar
Advanced Topics in High-Speed Design

This track is for the engineer who understands high-speed design requirements and wants to learn design practices to help ensure signal integrity and EMC with fast digital protocols, mixed-signal boards, and high layer counts.

Ground Below SMPS Inductors
Blog
Should Ground Be Placed Below Inductors in Switching Regulators?

We love answering questions from our readers and YouTube viewers, and one of the recent questions we received relates to EMI from switching elements in a switching regulator is "Should a cutout be placed below the inductor in a switching regulator circuit?". Despite the variations in inductors and their magnetic behavior, there are some general principles that can be used to judge the effects of placing ground near inductors in switching regulator circuits. We’ll look at some of these principles in this article

Embedded thumbnail for How To Do Versioning And Releases by Robert Feranec and Michal Faruga
Discovering Altium 365
How To Do Versioning And Releases by Robert Feranec and Michal Faruga

Meet Robert Feranec in an educational video on version control, project history, comments, comparison and other features in Altium Designer 

Alternative Pins
Blog
Altium Designer 22.6 Update

We are happy to announce that the Altium Designer 22.6 update is now available. Altium Designer 22.6 continues to focus on improving the user experience, as well as performance and stability of the software, based on feedback from our users. Check out the key new features in the What's New section on the left side of this window!

Embedded thumbnail for Using Rooms in Rules
How to work with Rooms
Using Rooms in Rules

Rooms allow you to use rules on specific areas of your design. This helps immensely with properly defining trace widths and hole sizes for specific components. We’ll show you how easy it is to assign rules to specific rooms in the PCB.

What’s New in Altium 365
On-Demand Webinar
What’s New in Altium 365

Now you can assess your library’s health at a glance with the Library Health dashboard, view and share your bill of materials (BOM) and view and download PDF documents, all in your web browser. We improved the existing diff and compare features, and released a new version of MCAD CoDesigner. Register for the webinar to learn more!

Embedded thumbnail for Creating a Schematic Symbol: Dealing with Power Pins
How to create a Schematic Symbol
Creating a Schematic Symbol: Dealing with Power Pins

Multiple schematic symbols often require the use of multiple power and ground pins. We’ll show you the difference between hidden and visible power pins, and the various methods you can use to use them in your design however it works best for you.

Top 5 Questions Regarding Stack Up
Blog
SAP (Semi-Additive PCB Process) – Top 5 Questions Regarding Stack Up

This Semi-Additive Process is an additional tool in the PCB fabricators' toolbox that enables them to provide feature sizes for trace width and spacing that are 25 microns, (1 mil) and below depending on the fabricators' imaging equipment. This provides much more flexibility to breakout out tight BGA areas and the ability to shrink overall circuit size and/ or reduce the number of circuit layers in the design. As the PCB design community embraces the benefits of this new printed circuit board fabrication technique, there are of course many questions to be answered.

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How-To's
Allowing Permanent Display of Some Layers

This video demonstrates how to permanently display some layers in the PCB using the View configuration panel.

Embedded thumbnail for Creating Rooms in the PCB
How to work with Rooms
Creating Rooms in the PCB

If you want to create a room manually in the PCB or have them generated for the Schematic, Altium Designer allows you to create custom rooms. We’ll show you how to hand draw different rooms, how to create rooms by defining them through the room definition, and how to have them generated for the schematic and pushed through to the PCB by the Engineering Change Order.

Three ways to manage your BOM costs
Blog
Improving Supply Chain Success with BOM Management

It’s no secret that component shortages have become more frequent this year. In fact, countries around the world are losing billions in revenue due to supply issues. Having the right components on hand is more crucial than ever as availability, obsolescence, counterfeit products and environmental non-compliance risks continue to grow. Fortunately, many shortages can be avoided by introducing proactive supply chain practices.

Design Reuse
On-Demand Webinar
Rapidly Creating New Designs And Reusing Existing Ones

It's no secret that software developers often use completed code fragments from other projects for quick and predictable results. The same can be done for PCB Design, there is no need to spend time rewiring schematics or laying out components on boards you’ve done before. Join us this webinar where we’ll go over how you can use your existing designs to create reusable design blocks, speeding up the design cycle for your future projects.

Length Tuning Impedance
Blog
What is the Impedance of Length-Tuning Structures?

Do length-tuning structures create an impedance discontinuity? The answer is an unequivocal “yes”, but it might not matter in your design depending on several factors. Applying a length-tuning structure is equivalent to changing the distance between the traces while meandering. Therefore, you will have a change in the odd-mode impedance of a single trace. The question then becomes: does this deviation in trace impedance in a length tuning structure matter?

Embedded thumbnail for Creating a Schematic Symbol - Placing Designators and Comments
How to create a Schematic Symbol
Creating a Schematic Symbol - Placing Designators and Comments

Placing your designator or comments can be done automatically, but that doesn’t mean they’re visible. We’ll walk you through how to make them visible and position them correctly no matter what orientation your symbol is with automatic positioning.

Embedded thumbnail for Creating a Schematic Symbol: Adding Additional Parts
How to create a Schematic Symbol
Creating a Schematic Symbol: Adding Additional Parts

Altium Designer makes it easy to add additional parts to your schematic library. We’ll show you how through copying and configuring your new components through the Pin Editor and the properties panel.

Designing the Next-Generation Electronics
Blog
A-SAP™ – What do you need to know?

The continued miniaturization of both packaging and component size in next-generation electronics is becoming harder and harder to work around and presents a significant challenge for both PCB designers and PCB fabricators. To effectively navigate the constraints of the traditional subtractive-etch PCB fabrication processes, PCB designs require advanced PCB fabrication capabilities while pushing the limits of finer feature size, higher layer counts, multiple levels of stacked micro vias and increased lamination cycles.

Embedded thumbnail for Component Placement Control Using Rooms
How to work with Rooms
Component Placement Control Using Rooms

Rooms give you more control over how and where your components are placed in your PCB. We’ll show you how to use room properties to limit what is allowed in and out of a room using the room definition and custom queries.

Pin-package and Via Delay Values
Blog
Pin-Package Delay and Via Delay in High Speed Length Tuning

Take a look at the inside of some integrated circuit packages, and you’ll find a number of wires bonded to the semiconductor die and the pads at the edge of the component's package. As a signal traverses makes its way along an interconnect and into a destination circuit, signals need to travel across these bond wires and pads before they are interpreted as a logic state. As you look around the edge of an IC, these bond wires can have different lengths, and they incur different levels of delay and contribute to total jitter.

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All About Box Build Assemblies
Blog
All About Box Build Assemblies

When you’re ready to manufacture a new device at production volume, there are many aspects of the product that must come together. The enclosure, cabling and connectors, embedded software/firmware, and of course the PCBA all have to be considered in totality. There is a quick way to get your product into a usable enclosure, complete with input power and cabling, and with a form factor that fits your PCBA. This overused route to a new product is a box build assembly. 

Ultra-HDI Technology is Not New
Blog
Ultra-HDI Technology is Not New

Printed circuit board fabricators have become skilled at manufacturing these technologies and also at understanding the reliability and producibility challenges associated with high-density-interconnect technology. Let’s look at where the PCB industry is at today. 

Today's PCB Designers Are Driving Electronics Product Design
Blog
Today's PCB Designers Are Driving Electronics Product Design

What can the industry do to support PCB designers as they continue taking a more active role in product development? Here at Altium, there has been a progressive shift towards looking at the system level and creating tools that get designers more involved throughout the product development process. As the saying goes, over the wall engineering is over… today’s most successful products are built in a collaborative process.

Phased Array Antenna Design for 5G Applications
Blog
Phased Array Antenna Design for 5G Applications

As the 5G rollout progresses and researchers continue to discuss 6G, many new 5G-capable products operating in sub-GHz and mmWave bands are reaching the marketplace. Devices that will include a 5G-compatible front-end, whether small stations/repeaters or handheld devices, use phased arrays as high-gain antenna systems to provide high data throughput without losing range at higher frequencies.

IPC - Vias
Blog
IPC - Vias

Via protection is an important part of modern PCB design. It provides additional benefits in PCB manufacturing and assembly, increasing the number of acceptable products.

Power Integrity Analysis in Your PCB Design Software
Blog
Power Integrity Analysis in Your PCB Design Software

Power integrity problems can abound in modern PCBs, especially high-speed boards that run with fast edge rates. These systems require precise design of the PDN impedance to ensure stable power is always delivered throughout the system.

Schematic Compare
Blog
Schematic Compare

A design project doesn’t appear out of nowhere. The design process spreads over time, and project documents change. Schematic documents gradually become more complex, new functional blocks appear, and already finished parts can be modified and updated.

Embedded Capacitance Materials Overview
Blog
Embedded Capacitance Materials Overview

Capacitance is your friend whenever you need stable power integrity, which is why there is so much focus on decoupling capacitors. While these components are important and they can be used to provide targeted power integrity solutions to certain components, there is one specialty material used to supercharge capacitance in your PCB stackup or package substrate. 

How To Import Libraries and Manage Components With Altium 365
Blog
How To Import Libraries and Manage Components With Altium 365

The problems you can experience with components and libraries are endless. These problems are the most significant source of design issues and the biggest reason behind respins, costing companies untold amounts of lost profit annually.
If you want to have a better understanding of how to use Altium 365 to maintain a strong and centralized library that is free of problems and headaches, you may want to consider attending this lecture.

The High-Speed PCB Stackup Design Challenge
Blog
The High-Speed PCB Stackup Design Challenge

As much as we would like to build every high speed PCB perfectly, with ideal SI/PI/EMI characteristics, it isn’t always possible due to many practical constraints. Sometimes a stackup can be “good enough,” even for a high-speed PCB. This always comes from the need to balance engineering constraints, functional requirements, and the need to ensure signal and power integrity in a high-speed design, and finally to ensure compliance with EMC requirements.

How I Improved My Collaboration Efficiency with Altium 365
Blog
How I Improved My Collaboration Efficiency with Altium 365

Involving the whole team that will bring a product to completion early on in the development cycle is vital to efficient development. Design reviews with all the relevant parties are critical at each step of the design process, starting with high-level component selection, then through the schematic capture and PCB layout stages. 

Countersink and Counterbore
Blog
Countersink and Counterbore

Ergonomics and convenience are important issues when designing a printed circuit board and the device as a whole. A lot of Altium Designer tools are aimed at solving them. These include Countersink and Counterbore holes, which allow the use of various types of screws in the mounting holes of the board.

Migrating Data From Other Version Control Systems
Blog
Migrating Data From Other Version Control Systems

The development of electronic devices always involves the release of many different types of files. And these files are not static - they change as the project progresses. When filling a project with data, a user creates new files, modifies outdated files that have become irrelevant. Managing project data is a separate task, especially for large developments where several participants with different specializations are involved in the process.

Properties Panel Tuning
Blog
Properties Panel Tuning

High-speed PCBs often require tuning groups of tracks, both single and differential. Altium Designer includes powerful tools that allow you to solve such tasks quickly and with high quality. Study this document and achieve the desired result even faster.

Reflectionless Matching vs. Conjugate Matching: An Apparent Contradiction
Blog
Reflectionless Matching vs. Conjugate Matching: An Apparent Contradiction

There is one confusion related to impedance matching that comes up again and again, and it appears to be a fundamental confusion between reflection and power delivery. This leads to an apparent contradiction that arises when we try to generalize power delivery to wave reflection, despite the fact that the two were not meant to be related.

Properties Panel Routing
Blog
Properties Panel Routing

Routing is one of the most time-consuming stages of PCB design. Altium Designer has a large set of tools that allow you to do it as accurately and quickly as possible. This document will help you to learn how to manage your routing effectively and use it to its fullest extent.

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Embedded thumbnail for How to Define an Impedance Profile for an Assymetric Stripeline
Impedance calculation
How to Define an Impedance Profile for an Assymetric Stripeline

This video shows how to define an impedance profile for an asymmetric stripline.

Embedded thumbnail for How I Improved my Collaboration Efficiency with Altium 365 | Altium 365: Power User Insights
How I Improved my Collaboration Efficiency with Altium 365 | Altium 365: Power User Insights

Collaboration with other teams or contractors in the electronics industry is typically a painful and inefficient experience. All too often, communication is left until the last minute when boards are all but ordered. Let's talk about how to collaborate with colleagues with Altium 365 in a different way.

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How to Work with Draftsman
Working with Annotation Tools

Draftsman Documents provide annotation tools to convey physical properties such as tolerances and surface finish

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How to Work with 3D Mode
3D View Control

Learn how to use the 3D display mode of the PCB and learn to control the camera in this mode in this video

Embedded thumbnail for Impedance Calculation Single-Ended Transmission Lines
Impedance calculation
Impedance Calculation Single-Ended Transmission Lines

Transmission lines help preserve signal integrity and reduce EMI in high speed designs. We’ll show you you to define your single ended transmission lines in Altium Designer and automatically calculate impedance on a two layer and multi-layer board.

Embedded thumbnail for Working with Dimensions: Draftsman Documents
How to Work with Draftsman
Working with Dimensions: Draftsman Documents

Draftsman Documents provide dimensioning tools to capture and display the physical features of the product for fabrication and documentation. 

Embedded thumbnail for Impedance Calculations: Differential Pairs
Impedance calculation
Impedance Calculations: Differential Pairs

Altium designer makes it easy to calculate geometry when you need to calculate impedance for differential pairs. We’ll go over how differential pairs can help with a two layer and multi layer board, as well as what types you can create such as differential co-planar, and how to configure them for your specific design.

Embedded thumbnail for Creating and using templates
How to Work with Draftsman
Creating and using templates

Draftsman Templates are a quick way of laying out your Draftsman Document in Altium Designer. We’ll show you how to utilize them and the differences between sheet and document templates.

Embedded thumbnail for Adding 3D Assemblies to a Multi-Board Project
How to work with Multiboard
Adding 3D Assemblies to a Multi-Board Project

The next step in the multiboard design process is adding 3D PCB Assemblies. We’ll show you how to add them to your design and how to work with the Assembly Editor.

Embedded thumbnail for Altium 365 - Design Collaboration | Tasks
Getting Started with A365
Altium 365 - Design Collaboration | Tasks

The Tasks feature brings lightweight task tracking to further enhance design collaboration in Altium 365. With Tasks, you will never lose an important action item and easily gain a high-level view of the state of your project, all without leaving your design environment. 

Embedded thumbnail for Adding Additional Views in a Draftsman Document
How to Work with Draftsman
Adding Additional Views in a Draftsman Document

If you need additional views in your documentation, Altium Designer’s Draftsman Document editor can help. We’ll show you how to add and configure different views including the component view, the section view, the detail view, the isometric view, variants, the legend for the layer stack, the board region view, and the board realistic view.

Embedded thumbnail for Draftsman Document Views - Fabrication and Drill Drawings
How to Work with Draftsman
Draftsman Document Views - Fabrication and Drill Drawings

The Draftsman Document Editor allows you to add a fabrication view and a drill drawing view to your outjob files. We’ll show you how to get them set up and details you can control from the properties panel.

Embedded thumbnail for Altium 365 - Version Control | Project History
Getting Started with A365
Altium 365 - Version Control | Project History

Project History in a Nutshell: - Presents events in a chronological timeline (Creation, Commits, Releases, Clones, and MCAD Exchanges) - Auto-generates Differences Summary to view the differing entities (e.g., replaced components) - Even a non-expert can act on a revision (Download, View, Revert)

Embedded thumbnail for Resolving Conflicts in Multi-board Schematics
How to work with Multiboard
Resolving Conflicts in Multi-board Schematics

When mismatched pin names in your multi-board schematic cause disconnects and conflicts you can use Altium Designer’s tools to resolve these conflicts. We’ll show you the Connection Manager and the various solutions to solve your connection issues.

Embedded thumbnail for Draftsman Document Board Assembly View
How to Work with Draftsman
Draftsman Document Board Assembly View

The Draftsman Document can include a Board Assembly View. We’ll show you how to add it and the properties you can change to create the exact view or views you need.

Embedded thumbnail for Placing Connections Between Boards
How to work with Multiboard
Placing Connections Between Boards

A multi-board design requires relationships between several board designs referred to as interboard connections. We’ll show you the different types of connections and how to connect your boards using the proper connection type.

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