News & Updates
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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.
Blog
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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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Best Practices in Hardware Version Control Systems
Any project can get very complex, and the PCB design team needs to track revisions throughout a project. Why worry about tracking revisions? In the event you ever receive changes to product functional requirements, major changes are made to your product’s architecture, or you’re ready to finalize the design and prepare for fabrication, it’s best to clone a project at its current state and begin working on a new version. Keeping track of all these design changes in a PCB design project takes the type of hardware version control tools you’ll find in Altium 365™.
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Copper Pour and Via Stitching: Do You Need Them in a PCB Layout?
To pour or not to pour, to stitch or not to stitch… Over many years, some common “rules of thumb” have become very popular and, ultimately, taken a bit out of context. Rules of thumb are not always wrong, but taking PCB design recommendations out of context helps justify bad design practices, and it can even affect the producibility of your board. Like many aspects of a physical PCB layout, via stitching and copper pour can be like acid: quite useful if implemented properly, but also dangerous if used indiscriminately.
On-Demand Webinar
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What is High-Speed Design?
The primary source of high-speed problems is not due to high clock frequency but rather the fast rise and fall times of component signals. With fast edge rates, reflections may occur at the receiver side, and when the board routing is dense, crosstalk may become a problem. During this webinar, you'll sharpen your knowledge and develop new skills that you can use to design High-Speed PCB's more efficiently and effectively.
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Should You Use Power MOSFETs in Series?
Power MOSFETs enable a huge range of electronic systems, specifically in situations where BJTs are not useful or efficient. MOSFETs can be used in high current systems in parallel arrangements, but what about their use in series? Both arrangements of MOSFETs have their pitfalls that designers should consider. Let’s look at MOSFETs in series as they are quite useful in certain systems, but be careful to design your circuits and your PCB for reliability.
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Controlled ESR Capacitors: Should You Use Them for Power Integrity?
I can’t think of a single product I’ve built that doesn’t require capacitors. We often talk a lot about effective series inductance (ESL) in capacitors and its effects on power integrity. What about effective series resistance (ESR)? Is there a technique you can use to determine the appropriate level of resistance, and can you use ESR to your advantage?
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Microstrip Ground Clearance Part 2: How Clearance Affects Losses
If your goal is to hit a target impedance, and you’re worried about how nearby pour might affect impedance, you can get closer than the limits set by the 3W rule. But what are the effects on losses? If the reason for this question isn’t obvious, or if you’re not up-to-date on the finer points of transmission line design, then keep reading to see how nearby ground pour can affect losses in impedance-controlled interconnects.
On-Demand Webinar
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What is High-Speed Design?
The primary source of high-speed problems is not due to high clock frequency but rather the fast rise and fall times of component signals. With fast edge rates, reflections may occur at the receiver side, and when the board routing is dense, crosstalk may become a problem. During this webinar, you'll sharpen your knowledge and develop new skills that you can use to design High-Speed PCB's more efficiently and effectively.
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Choosing the Right Microphone for Embedded Applications
If you need to capture sound waves for your electrical device to process, you'll need a microphone. However, microphones these days have become very advanced, and there are so many options to choose from. They range from the relatively simple and popular condenser type microphones to state-of-the-art sound conversion solutions incorporating internal amplifiers and other electronic processing functionality. In this article, we'll take a look at some of the options available.
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Expert Tips for Safely Powering Up Your New PCB for the First Time
In this blog we will show you the strategies to minimize the risk of damage to circuit boards during the initial power-up process.
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High-Speed PCB Design Tips
Essential tips for high-speed PCB designs, and when you need to start being concerned about how and where you route your traces.
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MIDs Make a Comeback as Vertical SMD Modules for Your PCB
If you've ever wanted to mount components vertically, but without the expense of a flex section this article is for you. You can use an MID in your PCB.
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Everything You Need to Know about Conformal Coating
Explore the basics of conformal coating with us. Conformal coating is a protective layer applied to electronic circuits to guard against environmental factors such as moisture and dust.
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Introduction to Open Source Laptop Project
We have started a very exciting journey into the creation of an open source laptop project. This project will be an ongoing one, with our community able interactively participate. By utilizing Altium 365 users will be able to view, comment on, and download design files. This will be a great learning experience for new and experienced PCB designers.
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Mechanical and Electrical Design Come Together With Altium’s MCAD CoDesigner
Electronics designers working in small design houses or in large enterprises often encounter a common set of challenges when interfacing with mechanical designers. Continue reading to learn how you can best interface with your mechanical designer to get your projects out the door fast!
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Ebook: Routing High-Density Interconnects with Reliable Microvias
HDI PCBs take a particular approach to routing interconnects through multiple layers to ensure reliability during fabrication, assembly, and operation. The critical structure that enables this is microvias, which are prone to failure if not designed properly. In this e-book, readers will receive an initial look at the reasons microvia reliability has come into the spotlight and why HDI PCB designers put reliability first when routing through microvias.
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IPC-2221 Calculator for PCB Trace Current and Heating
Aside from impedance and annular ring calculations, one of the other major formulas specified in the IPC 2221 standard relates temperature rise, trace width, and trace current. THere is also the IPC-2152 standard, both include this guidance on designing for thermal reliability, but which standard should we use?
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Stripline Impedance Calculator
Striplines provide some advantages over microstrips as they take advantage of natural shielding and coupling from nearby ground plane layers. Although they tend to experience higher losses due to total confinement in the dielectric, they can be thinner due to the high dielectric constant used in internal layers of a PCB. Use our free impedence calculator to help you determine the correct width needed to hit a target impedance.
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Which Types of Opto-Isolators Are Right For Your Signal?
An optoisolator is a cool electronic device that can be used to pass information between a diode without passing an electrical current. There are many great applications for these, but do you know which one is right for you?
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Properties panel document options in SCH editors
The Properties panel provides access to the properties of documents and objects. The contents of the panel change depending on the active document or the selected object. This blog will quickly go over some of need to know options around the properties panel in the schematic document.
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The High-Speed PCB Stackup Design Challenge
Even with all the good guidelines out there for high speed design, there are particular aspects of stackup construction and their relation to building boards that get overlooked. This blog is goes beyond just the typical SI/PI guidelines and looks at these problems from more of an engineering perspective.
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Everything You Need to Know About Stitching Vias
Stitching vias are something you often see spread around the surface layer of a PCB, but what are they? and should you be using them? In this guide, we'll go over some of the standard uses of stitching vias and when they should be used in a PCB.
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PCB Stackup Basics
In comparison to the build-up of a PCB, the stackup is more concerned with the electrical type of each layer, that is are we working with signals, power, or ground. Continue reading to learn how you can optimize your layer stack.
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Multi-board and Harness Design Capability in Altium Designer 23
Altium’s VP of marketing Lawrence Romine discusses the multi-board and harness design capabilities coming in Altium Designer 23.
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Controlled ESR Capacitors: Should You Use Them for Power Integrity?
Controlled ESR capacitors are important for power integrity in your design as they can help smooth out the PDN impedance spectrum in your high speed PCB.
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