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Connector routing
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Controlling Crosstalk In Connector Pinouts

Controlling crosstalk is one of the key goals in any PCB design. In most instances, when we talk about crosstalk, it’s in reference to the unwanted interaction of the electromagnetic field traveling on one transmission line with a neighboring transmission line. But crosstalk can also occur in the connector pin out. This article will describe this type of crosstalk, the types of disruptions it causes, wherein the design cycle it needs to be factored in and how it can be successfully controlled.

Complex Design Made Easy Preview
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Altium Designer® 21: A Better Way To Design

The design process often requires repetitive work with tedious tasks. Altium Designer 21 represents a better way to design by revitalizing long-standing functionality and improving the user experience, as well as performance and stability, based on the feedback from our users. These improvements streamline existing design tasks and empower you to complete sophisticated rigid and rigid-flex designs with realistic 3D modeling.

History
Blog
What You Can Track in Your Altium Project History

When you’re working through a new PCB design project, and you need to keep track of your project revisions, Altium 365™ creates the ideal environment for collaborative PCB design and revision tracking. Once you upload your projects onto the cloud through the Altium 365 platform, Altium 365 creates a Git repository for your project. It allows you to make it available to collaborators through Altium Designer®. This includes a complete project history, which can be easily accessed by collaborators working on a complex project.

Quickly Compare Gerbers PCB
Blog
Gerber Compare in Altium 365's Online Platform

The moment you push your Gerbers to a manufacturer for a DFM inspection, it can be a nerve-wracking experience waiting for a response. Before you receive your working boards, there will likely be some back-and-forth communication before your board hits the fabrication line. When manufacturers and designers need to resolve problems in Gerber files before fabrication, it helps to have a Gerber compare utility. The newest version of Altium Designer now offers this feature through the Altium 365 platform, giving everyone visibility into changes to Gerbers before fabrication.

Electric car charging
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California Bets on Electric Cars and Plans to Ban Gasoline Car Sales by 2035

No matter how you might feel about renewable energy and associated environmental issues, electric vehicles are becoming more mainstream and will become the primary mode of transportation in the future. For the engineering community, what’s much more interesting is how our power distribution and management infrastructure can support this shift to massive increases in the use of electricity on the grid. So what’s the rub for PCB designers?

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How To Work with High-Speed Projects
Creating High-speed Signal Classes with xSignals

You can create, configure, and utilize xSignals in Altium Designer to make your design process more efficient and effective. We’ll show you how to do it manually, using the more comprehensive Create xSignals command, and using the xSignal wizard.

BGA Chip
Blog
My Favorite Altium Designer Keyboard Shortcuts and Viewing Features

When you’re working through a complex PCB layout, it always helps to know the shortcuts you can use to stay productive. Altium Designer® keyboard shortcuts, and keyboard + mouse shortcuts, can help you easily walk through your PCB layout during design and as part of final checks during a design review. Here are some of my favorite keyboard shortcuts and viewing options that help me stay productive, and I hope they can do the same for you.

Printed tracks on PCB in Altium Designer
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Printed Circuit Design in Altium Designer

Printed Electronics is emerging to become as common as 3D printing. With this fast-emerging technology, new possibilities have come into the manufacturing arena, allowing engineers and designers to develop products in markets never before realized. With the emergence of many contract manufacturers possessing this capability, the cost is competitive. Quick-turn prototypes and volume production are now all possibilities, and with Altium 365® you stay connected directly with your manufacturer throughout the design process.

High-speed route
Blog
The IEEE P370 Standard for High Speed PCB Interconnects

High speed PCB interconnects have continued to remain an active challenge in modeling and simulation, particularly when dealing with broadband signals. The IEEE P370 standard is a step towards addressing the challenges faced by many designers in determining broadband S-parameters for high speed structures up to 50 GHz. Although this standard has been in the works since 2015, it finally passed board approval and appears as an active draft standard.

Memory stick
Blog
Class-D Amplifier Design and PCB Layout

Amplifiers can come in all shapes and sizes, depending on their bandwidth, power consumption, and many other factors. A Class-D amplifier design is normally used with high fidelity audio systems, and circuits for a Class-D amplifier are not too difficult to build in a schematic. If you’ve never worked with a Class-D amplifier or you’re looking for a fun audio project, follow along with this PCB layout.

RAM text
Blog
DDR5 vs. DDR6: Here's What to Expect in RAM Modules

Modern digital systems throw the digital electronics textbooks out the window, and high-speed DDR memories are a perfect example of the paradigm shift that occurs when you jump into IC and PCB design. With DDR5 still being finalized, and DDR6 now being discussed, designers who are already comfortable with DDR4 will need to consider how their design practices should adjust to accommodate the constant doubling of data speeds in these high-speed memory technologies.

Explaining the Impedance of the Crystal
Blog
Making the Most of Your Crystal Oscillator

In my experience, the somewhat vague information you might find in a typical crystal datasheet doesn’t enable an engineer to be wholly confident that their design expectations can be met. On the other hand, “blindly” adopting what the crystal datasheet says usually results in adequate frequency stability. If you want to get inside and uncover what is going on, you need to start thinking about the crystal as a phase-shifting network.

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On-Demand Webinar
Using Output Job Files for Rapid, Repeatable PCB Manufacturing Data Generation

An OutJob is simply a pre-configured set of outputs. Each output is configured with its own settings and its own output format, for example, output to a file or to a printer. OutJobs are very flexible – they can include as many or as few outputs as required and any number of OutJobs can be included in a project. The best approach is to use one OutJob to configure all outputs required for each specific type of output being generated from the project. 

Routed PCB
Blog
How Antipads Affect Signal Integrity in Your Multilayer PCB

Antipads on vias and landing pads are a point of contention in modern PCB design, and the debate around the use of these elements in a multilayer PCB is framed as a binary choice. Like thermal reliefs, ground plane splits, and orthogonal routing, the debate around antipads on landing pads and vias is framed as an always/never choice. With today’s modern PCBs, it pays to understand the effects of antipads on signal integrity.

PCB with RF elements
Blog
How to Design a Microstrip to Waveguide Transition

RF structures can be complicated to design and layout, particularly because many RF systems lead double lives as digital systems. Getting an analog signal out of a component and into a waveguide for high isolation routing is not so simple as placing a microstrip or stripline coming off your source component. Instead, you need to create a special microstrip to waveguide transition structure to ensure strong coupling into and out of your waveguide.

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Blog
Managing PCB Polygon Pour and Copper Features in Complex Layouts

Layouts for complex electrical systems may need to make extensive use of copper pour to provide ground nets, power nets, shielding, and other copper structures for power and signal integrity. Backplanes, motherboards, RF products, and many other complex layouts will make use of copper pour and polygons that can’t be easily placed as custom components. The rules-driven design engine in Altium Designer® also ensures that any PCB polygon pour you place in your PCB layout will comply with clearance rules and will be checked against other electrical design rules.

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Best Practices: Efficient Use of Snapping in Altium Designer

Getting your PCB layout design done takes patience and precision. Complex footprint geometries, board shape, and dense component placement require accurate primitive positioning. Each stage of PCB design needs a different snapping configuration. Often your settings can be excellent for one stage and be unfavorable for another. Learn more about different snapping usage patterns and best practices of efficient snappings.

Backplane printed circuit boards
Blog
High Speed Backplane Design and PCB Layout Tips

If you need to connect multiple boards into a larger system and provide interconnections between them, you’ll likely use a backplane to arrange these boards. Backplanes are advanced boards that borrow some elements from high speed design, mechanical design, high voltage/high current design, and even RF design.  They carry their own set of standards that go beyond the reliability requirements in IPC.

M2 Sata PCB
Blog
PCIe 5.0 Signal Integrity and Analysis

The upcoming Gen6 version of PCIe is pushing the limits of signal integrity for many computer systems designers. As with any high-speed signaling standard, signal integrity is a major design consideration, which requires the right set of design and analysis techniques. Rather than digging deep to find PCIe 5.0 signal integrity requirements from PCI-SIG, we’ve compiled the important points for today’s PCB layout engineers. Layout engineers should pay attention here as these design requirements will become more stringent in later PCIe generations.

Blog
Top 4 Time Wasters in PCB Design Collaboration

An essential aspect of project management is time management, especially when your design team is working remotely. Your time management strategy is team-based and individual, but time can easily get spent on important tasks when working as part of a team. So how can you streamline important collaboration tasks for your design team to increase productivity?

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RF Printed Circuit Board
Blog
RF PCB Material Comparison for mmWave Devices

When some designers start talking materials, they probably default to FR4 laminates. The reality is there are many FR4 materials, each with relatively similar structure and a range of material property values. Designs on FR4 are quite different from those encountered at the low GHz range and mmWave frequencies. So what exactly changes at high frequencies, and what makes these materials different? To see just what makes a specific laminate useful as an RF PCB material, take a look at our guide below. 

Testing Challenges and Solutions
Blog
Low Cost Solutions for Automated Hardware in the Loop Testing

In today’s fast-paced world where iterations of electronics are spun at lightning speeds, we often forget one of the most critical aspects of development: testing. Even if we have that fancy test team, are we really able to utilize them for every modification, every small and insignificant change that we make to our prototypes? In this article, we will review a very low cost, yet highly effective and quite exhaustive test system that will get you that bang for your buck that you’ve been looking for.

PCB Assembly
Blog
Best Practices for Using DNI/DNP Entries in Your PCB BOM

If you’ve ever looked at the BOM for a reference design or an open-source project, you may have seen a comment in some of the entries in your BOM. This comment is either “DNP” or “DNI”. If you think about it, every component placed in the PCB requires some level of placement and routing effort, which takes time and money if you’re working for a client. This begs the question, why would anyone design a board with components they don’t plan to include in the final assembly?

Altium Designer interface
Blog
Altium OutJob Files vs. Project Release: What's the Difference?

When it’s time to share your design data with your manufacturer, it’s like taking a leap of faith. Sending off a complete documentation package might seem as easy as placing your fab files in a zip folder, but there are better ways to ensure your manufacturer understands your project and has access to all your design data. For Altium Designer users, there are multiple options for creating and packaging release data into a complete package for your manufacturers.

Power component on PCB
Blog
Testing the Limits of Your LDO's Efficiency

If you’re designing a circuit board to be powered by anything except a bench-top regulated power supply, you’ll need to select a power regulator to place on your board. Just like any other component, your regulator has stated operating specs you’ll see in a product summary, and it has more detailed specs you’ll find in a datasheet. The fine details in your datasheets are easy to overlook, but they are the major factors that determine how your component will interact with the rest of your system.

PCB Laboratory Equipment
Blog
How Total Harmonic Distortion Affects Your Power System

It would be nice if the power that came from the wall was truly noise-free. Unfortunately, this is not the case, and although a power system can appear to output a clean sine wave, zooming into an oscilloscope trace or using an FFT will tell you a different story. When you take "dirty" power, put it through rectification, and then pass it through a switching regulator, you introduce additional noise into the system that further degrades power quality. If you’re a power supply or power systems designer, then you know the value of supplying your devices with clean, noise-free power.

Copper on PCB
Blog
What PCB Copper Thickness Should You Use?

If you’re an electronics designer or you’re just beginning your career as an engineer, the PCB stackup is probably one of the last things you’ll think about. Simple items like PCB copper thickness and board thickness can get pushed to the back burner, but you’ll need to think about these two points for many applications as not every board will be fabricated on a standard 1.57 mm two-layer PCB

Finished PCB
Blog
Should You Route Signals in Your PCB Power Plane?

I often get questions from designers asking about things like signal integrity and power integrity, and this most recent question forced me to think about some basic routing practices near planes and copper pour. "Is it okay to route signal traces on the same layer as power planes? I’ve seen some stackup guidelines that suggest this is fine, but no one provides solid advice." Once again, we have a great example of a long-standing design guideline without enough context.

PCB Routing
Blog
The Anatomy of Your Schematic Netlist, Ports, and Net Names

Electronics schematics form the foundation of your design data, and the rest of your design documents will build off of your schematic. If you’ve ever worked through a design and made changes to the schematic, then you’re probably aware of the synchronization you need to maintain with the PCB layout. At the center of it all is an important set of data about your components: your schematic netlist. What’s important for designers is to know how the netlist defines connections between different components and schematics in a large project.

Produced PCB
Blog
How to Compare PCB Manufacturing Services for Your Board

There are plenty of PCB manufacturing services you can find online, and they can all start to blend together. If you’re searching for a new service provider, it can be hard to compare all of them and find the best manufacturer that meets your needs. While experienced designers can spot bogus manufacturers from afar, there is always a temptation to go with the lowest priced, supposedly fastest overseas company you can find. However, there is a lot more that should go into choosing a PCB manufacturing service than just price.

Low-Pass Filter Arragement
Blog
Pi Filter Designs for Power Supplies

Pi Filters are a type of passive filter that gets its name from the arrangement of the three constituent components in the shape of the Greek letter Pi (π). Pi filters can be designed as either low pass or high pass filters, depending on the components used. The low-pass filter used for power supply filtering is formed from an inductor in series between the input and output with two capacitors, one across the input and the other across the output. Keep reading to learn more about their application in the PCB Design.

Hybrid PCB
Blog
How to Design a Hybrid PCB Stackup

The first question that should come up when selecting materials and planning a stackup is: what materials are needed and how many layers should be used? Assuming you’ve determined you need a low-loss laminate and you’ve determined your required layer count, it’s time to consider whether you should use a hybrid stackup. There are a few broad situations where you could consider using a hybrid stackup with low-loss laminates in your PCB

Battery and clock
Blog
Efficient Battery Power Supplies

Batteries offer a great power source for electrical devices that need to be mobile or located somewhere where connection to a mains electricity supply or other power source is impossible. The biggest problem with battery power is the expectation of users that the device will operate for significant periods with the need for recharging or replacing the batteries. This demand is placing the onus on the designer to improve efficiency and reduce power demand to meet this need.

Blog
What Target Impedance Should You Use in Your PDN?

A number of us on this blog and in other publications often bring up the concept of target impedance when discussing power integrity in high-speed designs. Some designs will be simple enough that you can take a “set it and forget it” approach to design a functional prototype. For more advanced designs, or if you’re fine-tuning a new board that has existing power integrity problems, target impedance is a real consideration that should be considered in your design.

Dual Power Supply Components Cover
Blog
An Overview of Dual Power Supply Design

Dual power supplies are circuits that generate two different output voltages from a single input source. The simplest method of generating dual output voltages is to use a transformer with two taps on the output winding. Bespoke transformers can have any voltage ratio depending on the number of windings in each part of the output side of the transformer.

Power planes inside PCB
Blog
Overlapping Planes in Your Mixed-Signal PCB Layout

With digital boards that are nominally running at DC, splitting up a power plane or using multiple power planes is a necessity for routing large currents at standard core/logic levels to digital components. Once you start mixing analog and digital sections into your power layers with multiple nets, it can be difficult to implement clean power in a design if you’re not careful with your layout.

Tag
Tackle Any Design Complexity With the Constraint Manager
What's New in 23.11
Tackle Any Design Complexity With the Constraint Manager

For enterprise and pro subscriptions, the new Constraint Manager offers a table-based interface, accessible from both Schematic and PCB, allowing you to define constraints more collaboratively. Engineers and stakeholders can collectively set design constraints with ease.

Tackle Any Design Complexity With the Constraint Manager
What's New in 23.11
使用约束管理器应对任何设计复杂性

对于企业版和专业版订阅用户,新约束管理器提供了基于表格的界面,无论从原理图还是 PCB 都可以访问,帮助您加强在约束定义方面的协作力度。工程师和协作者都可以轻松地共同设置设计约束。

Embedded thumbnail for Minimize Manual Effort With Automatic Length Tuning
What's New in 23.11
Minimize Manual Effort With Automatic Length Tuning

Automatic Length Tuning introduces automatic length and delay tuning functionality in 2D mode, accessed conveniently from the main Route menu. This feature reduces the manual effort typically associated with length and delay tuning, expediting your design process.

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What's New in 23.11
通过自动长度调整功能来减少手动操作

自动长度调整提供 2D 模式下的自动长度调整和延迟调整功能,可方便地从主布线菜单访问。该功能可以减少进行长度调整和延迟调整时通常需要的手动操作,从而加快设计进程。

Embedded thumbnail for The Most Common 2-Layer PCB Design Mistakes and How To Avoid Them
How-To's
The Most Common 2-Layer PCB Design Mistakes and How To Avoid Them

Do you encounter issues when preparing a two-layer board? In this video, we address some of the most common mistakes made with this type of board and explain why upgrading to a four-layer board might be the solution you need.

Embedded thumbnail for Coming Soon: Ansys CoDesigner
How-To's
Coming Soon: Ansys CoDesigner

Ansys CoDesigner (which will be released on the13th of December) simplifies your design process by connecting ECAD and Simulation to eliminate manual export/import steps. With features like design change synchronization and commenting, Altium Designer ECAD engineers and Ansys Electronics Desktop (AEDT) SIM engineers can collaborate seamlessly in one workspace.

Embedded thumbnail for Coming Soon: Automatic Multi-Net Tuning
How-To's
Coming Soon: Automatic Multi-Net Tuning

Automatic Multi-Net Tuning enhances PCB design accuracy and efficiency by automatically adjusting multiple nets simultaneously to meet specific design rules, including length and delay. Learn more about this feature, which will be released on December 13th. Its flexibility enables effective work with differential pairs and traces at any angle. It not only identifies but also rectifies issues related to automatic length tuning, ensuring your designs adhere to key standards without the need for manual adjustments.

Embedded thumbnail for Coming Soon: PCB CoDesign
How-To's
Coming Soon: PCB CoDesign

PCB CoDesign makes it easier for everyone to work together and meet project deadlines. In Altium Designer 24, which is scheduled for release on December 13th, we are introducing a new feature. This feature optimizes your resources through a Git-like approach, allowing multiple team members to work simultaneously and commit changes to a master branch. This expedites the design process and lowers project costs.

Embedded thumbnail for Coming Soon: MultiBoard Draftsman
How-To's
Coming Soon: MultiBoard Draftsman

MultiBoard Draftsman enhances the efficiency of design reviews and assembly precision by offering a unified platform for detailed viewing and documentation of MultiBoard Designs. Discover more about this feature in our brand-new short video.

Embedded thumbnail for Coming Soon: PCB Layout Replication
How-To's
Coming Soon: PCB Layout Replication

PCB Layout Replication allows quick replication of layouts for repetitive circuitry blocks in a flat PCB design. In this short video we will show you how this new tool (scheduled for release on December 13th) eliminates the need to do repetitive tasks manually or for various workarounds like snippets or multi-channel designs.

Embedded thumbnail for Coming Soon: Constraint Manager
How-To's
Coming Soon: Constraint Manager

Constraint Manager simplifies PCB design by facilitating collaborative constraint definition from both Schematic and PCB. Learn more about this new feature, which streamlines the process of setting electrical clearances and creating rules while centralizing class management for time-saving convenience.

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Simulation in Altium Designer
Debounce Circuit

Learn how to simulate the circuit, identify a common issue, and walk through how to diagnose and correct any errors found in a seemingly well-designed debounce circuit. 

Embedded thumbnail for Import Component Footprints Faster with Altium Designer. Part II: Using an External Library, Internal IPC Compliant Footprint Wizard, and Datasheet-Based Creation
Import Component Footprints Faster with Altium Designer
Import Component Footprints Faster with Altium Designer. Part II: Using an External Library, Internal IPC Compliant Footprint Wizard, and Datasheet-Based Creation

In this video, we will guide you through three distinct manual component import methods; employing an external library, utilizing the internal IPC Compliant Footprint Wizard, or creating one yourself based on documentation.

Embedded thumbnail for Import Component Footprints Faster with Altium Designer. Part I: Manufacturer Part Search & External Plugin
Import Component Footprints Faster with Altium Designer
Import Component Footprints Faster with Altium Designer. Part I: Manufacturer Part Search & External Plugin

In this video, we will demonstrate the first two methods of importing components into Altium Designer; through Manufacturer Part Search or by using an external plugin.

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Simulation in Altium Designer
Buck Converter

Learn how to run a transient simulation, analyze the waveforms, and measurement techniques you can use to determine a voltage ripple with a buck converter as an example. 

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How-To's
Edge Plating in RF Design

PCB Edge Plating provides additional noise suppression and improves EMC. In this video we provide you some practical tips for creating metalized PCB edges in Altium Designer.

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