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All About PCB Test Points
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Is It Printed or a Component? All About PCB Test Points

Test points in your electronic assembly will give you a location to access components and take important measurements to verify functionality. If you’ve never used a test point or you’re not sure if you need test points, keep reading to see what options you have for test point usage in your PCB layout.

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How to Design a BGA
Tent Vias under BGA

When via are located close to component pads some soldering issues can arise, but this can be fixed with Tented vias. We’ll show you how to manually tent vias and how to tent vias through the Design Rules.

How to Design to a Differential Impedance Specification
Blog
How to Design to a Differential Impedance Specification

The concept and implementation of differential impedance are both sometimes misunderstood. In addition, the design of a channel to reach a specific differential impedance is often done in a haphazard way. The very concept of differential impedance is something of a mathematical construct that doesn’t fully capture the behavior of each signal in a differential trace. Keep reading to see a bit more depth on how to design to a differential impedance spec and exactly what it means for your design.

Embedded thumbnail for Via-in-Pad for BGA
How to Design a BGA
Via-in-Pad for BGA

We’ll teach you how to use Via-in-pad to reduce inductance, improve signal integrity, and improve power distribution system performance in BGA designs.

Embedded thumbnail for Using HDI Stackups during BGA Design
How to Design a BGA
Using HDI Stackups during BGA Design

Micro Vias and Buried Vias play an important role in high density interconnection layer stackups (HDI Stackups). We’ll show you how to add via and create rules to allow you to take full advantage of the HDI Stackup.

Product Lifecycle Management in Electronics Manufacturing
Blog
Product Lifecycle Management in Electronics Manufacturing

An effective product lifecycle management (PLM) solution will integrate the tools and processes employed to design, develop and manufacture a new device. This solution goes beyond engineering activities to include the project management, process control, and financial management of the end-to-end business processes. PLM solutions create this collaborative environment where product development can flourish, bringing additional benefits in efficiencies and transparent communications, breaking silos, and speeding up the development process.

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On-Demand Webinar
Length Matching in High Speed Buses

With ever increasing speeds in high-speed data systems comes a couple of PCB layout challenges. High-speed busses like DDR, VME, PCIe just to mention a few can all reach data transfer speeds that require strict timing with very tight tolerances, thereby leaving very little slack in the PCB layout. Watch this on-demand webinar to learn why it's imperative to match track lengths in high-speed data systems and differential signals. You’ll see how to properly define PCB length matching and time delay constraints, and how to effectively route high-speed signals in Altium Designer®.

Tight versus loose coupling
Blog
Should You Use Tight vs. Loose Differential Pair Spacing and Coupling?

In this article, we want to get closer to a realistic description of tight coupling vs. loose coupling in terms of differential pair spacing, as well as how the differential pair spacing affects things like impedance, differential-mode noise, reception of common-mode noise, and termination. As we’ll see, the focus on tight coupling has its merits, but it’s often cited as necessary for the wrong reasons.

Embedded thumbnail for Automatic Fanout With BGA
How to Design a BGA
Automatic Fanout With BGA

When routing a BGA it can be necessary to use automatic fanout to make the routing process easier and faster. We’ll show you how to run the automatic fanout for routing a BGA and how the rules can affect the outcome of the route.

Embedded thumbnail for Specifying NSMD and SMD for BGA
How to Design a BGA
Specifying NSMD and SMD for BGA

BGA layouts use two types of pads: SMD, Solder Mask Pads, or NSMD, Non-Solder Mask Pads. Here we’ll walk you through the differences and how to specify and edit them for your layout.

Engineering Design Review Guide
Blog
How to Solve Your Engineering Design Review Challenges

You’ve possibly gone through plenty of engineering design reviews, both on the front-end of a project and the back-end before manufacturing. Engineering design reviews are performed to accomplish multiple objectives, and with many engineering teams taking a systems-based approach to design and production, electronics design teams will need to review much more than just a PCB layout and BOM. Today’s challenges with sourcing, manufacturability, reliability, and mechanical constraints are all areas that must be confronted in real designs

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Via Stitching
Via Shielding and Stitching

Altium Designer gives you full control over your via shielding and stitching. We’ll show you how to use our shielding and stitching tools, how to alter their parameters, and how to remove any unwanted via shielding and stitching.

Schematic Review Checklist
Blog
Schematic Review Checklist

One of the most common points of failure of a device occurs even before you start to layout your circuit board. Mistakes in your schematic design can easily make their way all the way into prototypes or production without a second thought once layout starts. In this article, I’m not going to extol the virtues of a good schematic design. Instead, this article is a simple no frills checklist.

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How To Work with High-Speed Projects
xSignals for DDR3 and DDR4

In a high-speed design, DDR3 and DDR4 memory chips can utilize xSignal classes to match track lengths from the controller to the memory chip easily and quickly using the xSignals wizard.

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How To Work with High-Speed Projects
High-Speed Tuning

If you use high-speed interfaces like USB 3.0, PCIE, or DDR3/DDR4, you need to use match length tuning to ensure that they work properly. We’ll show you why and how, as well as demonstrating the different tools for length tuning.

Via current carrying capacity for PCBs
Blog
PCB Via Current-Carrying Capacity: How Hot is Too Hot?

One common question from designers is current-carrying capacity of conductors in a PCB. Trace and via current-carrying capacity are legitimate design points to focus on when designing a new board that will carry high current. The goal is to keep conductor temperatures below some appropriate limit, which then helps keep components on the board cool. Let’s dig into the current state of thermal demands on vias in PCBs and how they compare to internal and external PCB traces.

Simple Simulation in Altium Designer
On-Demand Webinar
SPICE Simulation Made Simple

SPICE simulation saves you critical time in the prototyping phase. Understanding your simulation interface makes it simple to analyze how your circuits work in different scenarios. Altium Designer provides an intuitive, dedicated interface to support your simulation verification, setup, and analysis directly in your schematic environment. You also benefit from growing support for popular model formats, as well as generic models, simplifying circuit definition and simulation.

PCB Shield
Blog
Phalanx, not Failure: PCB Shielding to Protect Your Design

A combination of good printed circuit board design and good shielding mitigates EMI. Good PCB design for EMI shielding revolves around the layout, the placement of filters, and ground planes. A well-designed PCB minimizes parasitic capacitance and ground loops. Keep reading to learn more about PCB shielding.

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How to Work with Draftsman
Using Document Parameters with Draftsman

The Draftsman Editor in Altium Designer uses document parameters to allow fine grain control over the draftsman document. We’ll show you how you can use the document parameters in your Draftsman document. 

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What is Hybrid Beamforming?
Blog
What is Hybrid Beamforming?

In this article, we’ll look at beamforming implementation in an advanced method combining analog and digital techniques, known as hybrid beamforming. This method blends both digital and analog techniques to create multiple beams and thus reach multiple users with varying intensities. In the case of an RF imaging system or a radar system, hybrid beamforming in a MIMO technique also allows tracking of multiple targets with adjustable resolution.

Is your via impedance calculator accurate?
Blog
Why Most Via Impedance Calculators Are Inaccurate

The problem with every via impedance calculator that I have seen is simple: they are incomplete or totally wrong. The “incomplete” part refers to a lack of context; these calculators can roughly reproduce a well-known estimate from a legend like Howard Johnson in his Digital Design textbooks. However, these calculators never provide insight into what they are actually calculating, or where the calculated via impedance is accurate. Keep reading to see why these calculators get it so wrong, as well as the context surrounding via impedance.

Blog
Buck Converter Simulation in Altium Designer

When designing high power circuits (usually very high voltage and/or current), you’ll need to create a regulator from scratch and place it in your PCB layout. It's also the case that you may want to model a real component using discretes in a simulation in order to qualify the system's expected operating regime. As part of buck converter design, you can easily run a buck converter simulation directly in Altium Designer’s schematic editor. Here’s how you can access these features in the newest version of Altium Designer. 

PCIe 6.0 Overview
Blog
Overview of the PCIe 6.0 Standard

Just as you get used to PCIe 5.0, they decide to release another standard! The newest iteration of PCIe is Gen6, or PCIe 6.0. PCIe 6.0 brings a doubling of channel bandwidth through introduction of PAM-4 as the signaling method in high-speed differential channels. This signaling method is a first for PCIe, and it’s an important enabler of the doubled data rate we see in the current standard. In this article, I’ll run over the important points in the standard and what PCB designers can expect when designing these channels.

SPI vs. I2C For Memory Access
Blog
SPI vs. I2C: How to Choose the Best Protocol for Your Memory Chips

One of the common implementations of SPI and I2C in a PCB layout is as a protocol for reading and writing to an external Flash memory. Flash chips are a very common component in embedded systems and can offer high capacities of non-volatile memory up to Gb values. When choosing a memory chip, you'll want to match the application requirements and functionality with the bus speed you need for read and write operations in your memory chip. There is also the matter of the type of Flash memory you'll need to access (NOR vs. NAND).

Blog
Is There an SPI Trace Impedance Requirement?

There is no SPI trace impedance requirement? The reality is that SPI lines only start to need impedance control when the length of the interconnect becomes very long. And because there is no specific impedance requirement in the bus, you have some freedom in channel design and termination. So what exactly qualifies as “very long” and when is some termination method needed? We’ll break it down in this article.

The Skin Effect and EM Fields
Blog
The Skin Effect, Current Density, and the Electromagnetic Field

During this year's AltiumLive CONNECT event, I recall receiving an interesting question about the skin effect and the distribution of current due to the presence of ground in coplanar transmission lines. In this article, we'll look at the electric field around a transmission line carrying a signal, and how this might be impacted by the skin effect.

Packaging for your PCBAs
Blog
What You Need for PCB Packaging and Shipping

When you get your PCBA back from an assembler, you’ll notice the packaging materials used to pack and ship the PCBA. Those materials are specific to electronics, and if you build products on behalf of clients, it’s important to know the packaging materials used for packing and shipping electronics. In this article I’ll show the main set of materials and equipment used to package electronics assemblies.

PCB Output files
Blog
How to Make PCB Gerber Files in Altium Designer Step-by-Step

Once you've got your PCB layout finished and you're ready to start preparing for manufacturing, one of the critical steps is to create PCB Gerber files. When you're ready to create your Gerber files, you need the right set of CAM processor tools that can take data from your PCB layout. In this article, we'll guide you through this process of how to make PCB Gerber files and show some example tasks you might need to perform to generate them.

Teardrops on Differential Pairs?
Blog
Should You Place Teardrops on Differential Pairs?

One of the major factors impacting reliability of a PCBA is the use of teardrops on traces in the PCB. Like many aspects of reliability, the considerations also span into the signal integrity domain, particularly as more high-reliability products require greater data handling capabilities and run at higher speeds. In this article, I’ll break down the issues present in teardrop usage on differential pairs and how these may affect impedance.

Broken PCB
Blog
The High-Reliability PCBA Design and Test Challenge

High-reliability electronics must go through multiple rounds of testing and qualification to ensure they can withstand their intended operating environment. Designing to performance standards, whether the baseline IPC standards or more stringent industry standards, is the first step in ensuring a reliable circuit board. In this e-book, readers will gain a thorough look into PCB testing and analysis, starting from basic tests performed on bare boards and completed assemblies.

Where to place AC Caps on PCIe Lanes
Blog
AC Coupling Capacitors in PCIe Routing

Coupling capacitors find plenty of uses in analog applications and on differential protocols, acting essentially as high pass filters that remove DC bias carried seen on a signal. In the case of PCIe, there are a few reasons to place AC coupling capacitors on differential pairs beyond the fact that AC coupling capacitors are listed in the standard. In this article, we’ll look briefly at where to place coupling capacitors on PCIe links, as well as the reasons these are placed on PCIe links.

Tuning dialog
Blog
Altium Designer 22.7 Update

We are happy to announce that the Altium Designer 22.7 update is now available. Altium Designer 22.7 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!

The Positive Impact of Supply Chain Visibility on Design to Cost
Blog
The Positive Impact of Supply Chain Visibility on Design to Cost

Design to cost is a lofty idea that is only perfectly executed when supply and demand for components are in perfect harmony. Unfortunately, the current landscape for component sourcing makes design to cost more of a balancing act rather than an exercise in price reduction. To help designers in their efforts to balance cost, capabilities, and procurement, we created this ebook to help users understand how modern supply chain tools can help in these complex design problems.

Evaluating Stubs on PCIe Lanes
Blog
A Brief Study of Stubs on a PCIe Connector

Stubs are an important topic in high-speed PCB design, and there is a longstanding guideline that stubs should always be removed from all vias on high-speed digital interconnects. While stubs are bad for high-speed lines, they do not always need to be removed. What is more important is to predict the loss profile and frequencies, and to floorplan appropriately to try and prevent such losses.

Surface Layer DFM and Cleanup
Blog
PCB Layout Cleanup Before Manufacturing

Once you finish your placement and routing in your PCB layout, it can be tempting to wrap up the layout and send everything in directly to manufacturing. The reality is that the board may still need some work before it is considered finished. The cleanup you perform at the final stage of PCB layout will help you catch any outstanding errors that can't be programmed into your DRC engine, and it gives you a chance to add any outstanding details to the surface layers.

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Embedded thumbnail for Altium Designer 25: Collaboration at its Finest
New in Altium Designer 25
Altium Designer 25: Collaboration at its Finest

Altium Designer 25 focuses on enhancing collaboration for engineering teams with new tools like the SI Analyzer by Keysight, updated PCB CoDesign, MCAD and Ansys CoDesigners, and improved Simulation modules. This release also introduces Wire Bonding, Single Layer PCB, and performance upgrades for optimized PCB design workflows. Check our overview video about all the improvements in this release.

Embedded thumbnail for The Fastest Ways to Run a PCB BOM Review
How-To's
The Fastest Ways to Run a PCB BOM Review

Conducting a BOM review is crucial to prevent costly delays, obsolete components, and unforeseen sourcing challenges in your PCB project. Discover powerful tools like DigiKey, Octopart, and Altium 365’s BOM portal to simplify your review process and ensure you're selecting the best parts at optimal prices.

Embedded thumbnail for Quantum Systems uses Altium Designer and Altium 365 to build the future of Drones
Altium Stories
Quantum Systems uses Altium Designer and Altium 365 to build the future of Drones

Quantum Systems creates advanced drones for critical aerial intelligence across industries. With Altium Designer and Altium 365, they streamline electronics engineering and enhance team collaboration. Watch how Altium software helps them innovate faster and build reliable drones for mission-critical moments.

Embedded thumbnail for Wire Bonding Shorts: 3D Stacked Die with Cavity
New in Altium Designer 25
Wire Bonding Shorts: 3D Stacked Die with Cavity

Check our short video by Samer Aldhaher on using Altium Designer’s wire bonding tool for creating 3D stacked die in cavity. Highlights advanced techniques for compact, high-performance PCB designs with 3D integrated circuits.

Embedded thumbnail for Constraint Manager Improvements in Altium Designer 25
New in Altium Designer 25
Constraint Manager Improvements in Altium Designer 25

Discover the latest in Altium Designer 25’s Constraint Manager, with updates like flexible net selection, streamlined rule management, and differential pair handling. Simplify your PCB design workflow with powerful new tools and enhancements.

Embedded thumbnail for Signal Integrity Made Simple - Recording Preview
How-To's
Signal Integrity Made Simple - Recording Preview

Catch up on our “Signal Integrity Made Simple” webinar to explore essential techniques for ensuring high-speed design integrity. Watch the recording to gain practical insights, and don’t miss our upcoming November webinar showcasing the latest Altium Designer release, featuring the powerful Signal Analyzer by Keysight and additional tools to optimize your projects.

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Kickstart Your Rigid-Flex Journey
Kickstart Your Rigid-Flex Journey: Part III - PCB Layout

In this third installment of our series, Piet Callemeyn demonstrates PCB layout creation from scratch for a rigid-flex project, covering key techniques like bend lines and split lines. A must-see for any PCB designer!

Embedded thumbnail for Beyond PCB Design with Altium Designer - Recording Preview
New in Altium Designer 24
Beyond PCB Design with Altium Designer - Recording Preview

We invite you to watch this webinar recording, where you'll discover how to streamline your entire PCB development workflow. Learn how to go beyond design to optimize documentation, outputs, and design specifications using Altium Designer. Check the recording here: COM September Webinar.

Embedded thumbnail for Advanced Wire Bonding Techniques in Altium Designer - Demo
New in Altium Designer 25
Advanced Wire Bonding Techniques in Altium Designer - Demo

Check out our brand-new demo of the Wire Bonding tool in Altium Designer! Learn step-by-step how to define die chips, create footprints, route bond wires, and set up a proper PCB layout with rules and constraints.

Embedded thumbnail for Use Cases with Dave Young: Harness Design
New in Altium Designer 24
Use Cases with Dave Young: Harness Design

Join Dave Young in this Use Cases video as he walks you through Harness Design in Altium Designer 24. From starting a new harness project to utilizing wires and taps, you’ll discover how easy it is to replace standard schematic views with detailed mechanical drawings. Don't miss this hands-on tutorial and elevate your design expertise!

Embedded thumbnail for Make Smarter Design Decisions - Signal Analyzer Demo
How-To's
Make Smarter Design Decisions - Signal Analyzer Demo

Master the Signal Analyzer by Keysight in this demo! Learn to analyze and fix net classes for impedance, delay, and return loss to optimize your designs. Watch now and take your PCB designs to the next level.

Embedded thumbnail for Engineering Aerial Intelligence with Quantum Systems
Altium Stories
Engineering Aerial Intelligence with Quantum Systems

Quantum Systems specializes in engineering advanced drone solutions that deliver critical aerial intelligence to various industries. Watch the new Altium Stories episode to see how Altium Designer and Altium 365 help Quantum Systems streamline their electronics engineering processes, ensuring seamless collaboration across teams.

Embedded thumbnail for Crover Uses Altium to Develop Subterranean Grain Swimming Robots
Altium Stories
Crover Uses Altium to Develop Subterranean Grain Swimming Robots

Discover how, through Altium's Launchpad program, Crover leveraged Altium Designer and Altium 365 to accelerate iteration and collaborate seamlessly across teams, including their mechanical engineering division. With intelligent part data readily available, they were able to make informed part choices with confidence.

Embedded thumbnail for Use Cases with Dave Young: Multiboard and Harness
New in Altium Designer 24
Use Cases with Dave Young: Multiboard and Harness

In this video, Dave Young demonstrates the use of MultiBoard and Harness in Altium Designer 24, using a custom quadcopter motor part as an example. Learn how these advanced tools can optimize your design workflow.

Embedded thumbnail for Signal Analyzer by Keysight Tutorials - Verifying Changes and Finalizing the Design
Signal Analyzer by Keysight Tutorials
Signal Analyzer by Keysight Tutorials - Verifying Changes and Finalizing the Design

In this final installment of our tutorial series on the upcoming extension – Signal Analyzer by Keysight – we will guide you through the process of ensuring that your design meets all necessary performance standards. 

Embedded thumbnail for Signal Analyzer by Keysight Tutorials - Analyzing Simulation Results and Correcting Violation
Signal Analyzer by Keysight Tutorials
Signal Analyzer by Keysight Tutorials - Analyzing Simulation Results and Correcting Violation

We invite you to join the third chapter of the Signal Analyzer by Keysight Tutorials. In this installment, we’ll show you how to analyze simulation results and correct violations to ensure your PCB design aligns with performance standards.

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