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PCB Design
Take the Risk Out of Prototype PCB Assembly (PCBA)
There is a special feeling one gets when polishing off a Rev A design and ordering the first set of PCBs from a board house. While designers everywhere would likely not trade that feeling for anything, taking some of the uneasiness off the table would probably be a welcome change. Here are review steps that should prove more effective at settling nerves than an after-work visit to the bar—and infinitely more effective at preventing errors! There
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Figure of Merit Formula: A Way to Score Your Opinions
Metrics are data, and statistically backed measures. It is always expedient to base decisions on data and metrics. But what if a metric doesn’t exist? Then you can create the next best measure: the Figure of Merit. The problem with opinions is that they are difficult to defend, and when used in conjunction with producibility, they often they vary from person to person. That is why the Figure of Merit process is so popular. For a small amount of
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Hardware-in-the-Loop Testing: An Introduction
If you do a search for “Hardware-in-the-Loop” testing, you will frequently find examples of complex, real-time systems. This article from National Instruments, for example, gives a nice explanation and background on what hardware-in-the-loop (HIL) is, and provides an example of testing electronic control units within an automobile. In this article, we will be focusing on a smaller, more bite-sized version of HIL testing concepts. What is Hardware
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COVID-19 Challenge
My name is Piotr Lazarek. I’m a 19 year old engineer studying at Dulwich College in London. Because of the pandemic, I was forced to fly back to Poland for quarantine. To be frank, it wasn’t an easy time for me—after a week, I was practically dying of boredom. Thankfully, around that time, I received an invitation for a project called “COVID-19 Challenge”. The project was aimed at sixth form and university students who were passionate about
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Altium's Upverter for Linux: PCB Design Software that is Ready for You to Use
Cloud-based Altium Designer for Linux or Mac OS X PCB design software to give you the design tools that you need. You need to create a design for a printed circuit board, but you are having difficulty in finding schematic capture and PCB layout software that will give you the results you need on your Linux system. There’s great news for you though, here at Altium we’ve got what you need. It’s a cloud-based free Linux PCB design software called
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Online Circuit Block Diagram Maker: Your Guide to Building PCBs with Altium Designer
Some PCB design software packages make you feel like you’ve been bamboozled. On one hand, you’re told that you’ll have access to tools that will let you move through the entire design process. Then all of a sudden, you can’t finish your design without purchasing critical features as add-ons. Only Altium Designer integrates all the best design tools in a single circuit diagram maker. You can get access to free versions that include critical design
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Utilize BOM Management Software to Keep your PCB Design Right
With Active BOM you can eliminate any guesswork out of your component browser and help you to start your PCB design right. ALTIUM DESIGNER A PCB design tool to keep your PCB moving forward through all stages of production. Are you tired of waiting for other people to give you feedback on your components before you can start your work? Are you tired of budget-busting eleventh hour changes on your design due to incorrect or out-of-date component
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What is Propagation Delay in High Speed PCB Design?
In high speed design you may be dealing with the question of what is propagation delay. Altium Designer gives you the design tools to expertly work with this.
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DIY PCB Stencil Made Easy with Proper Board Layout Software
Fabrication, assembly, and manufacturing can all become a breeze so long as you’re using the proper PCB design software. Make sure that anything you use in those processes, like what is a stencil for PCB, is accounted for with your CAD tools. In this article, we are going to explore what is stencil in PCB and the types of stencil for PCB. ALTIUM DESIGNER PCB design software is responsible for enabling your designs to be produced with ease. The
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Advanced Power Route Creation and Verification of Ground and Power Supply PCB Layout Traces with Altium Designer
Probably, the most formidable task of circuit board design is routing traces. In addition to connecting components accurately you must also route through vias for multi-layer PCB design while ensuring that spacing and clearance specifications meet the tolerances of your PCB fabrication and assembly services. And successfully meeting these challenges requires that you incorporate good grounding and power supply PCB layout into your design. ALTIUM
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What is Burn-in Testing for Electronics?
Once you’re planning for production of any new board, you’ll likely be planning a battery of tests for your new product. These tests often focus on functionality and, for high speed/high frequency boards, signal/power integrity. However, you may intend for your product to operate for an extreme period of time, and you’ll need some data to reliably place a lower limit on your product’s lifetime. In addition to in-circuit tests, functional tests
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Bluetooth 5.1 SoC vs. Module: Which is Best for Your Design?
The list of features available in Bluetooth just got a little longer since the release of Bluetooth 5.1. Component manufacturers have taken this mobile technology to the next level for IoT devices by integrating wireless comms with an MCU for embedded processing. This is just another step in the continuous push to pack more functionality into a smaller footprint. If you want to incorporate a Bluetooth 5.1 SoC into your new product, you have two
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How Copper Foil Roughness Affects Your Signals and Impedance
The history of engineering, both electrical and mechanical, is littered with approximations that have fallen by the wayside. These approximations worked well for a time and helped advance technology significantly over the decades. However, any model has limits on its applicability, and the typical RLCG transmission line model and frequency-independent impedance equations are no different. So what’s the problem with these equations? Senior PCB
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PCB Mountable Connectors: SMD vs. Through-hole
When I designed some of my first boards, I was always working at DC or low speed, and any signal integrity problems from my connectors were an afterthought. These initial boards were for low frequency measurements of an electrochemical sensor. The only circuitry involved was a low-pass filter circuit with through-hole passives, a PCB mountable connector for a lab-grade power supply, and a parallel connection to an SMU. After learning the finer
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Designing Pressure Tolerant Electronics: It's All About Mechanics
After a recent inquiry from a customer about a high power board that must withstand high gas pressures, my team suddenly realized we needed to do some research on designing pressure tolerant electronics. This area is not as popular as designing electronics for ambient pressures, but the design techniques used here enable important scientific expeditions and industrial applications in high pressure environments. Whether the board will be placed in
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High Voltage SMPS PCB Layout to Minimize Heat and Noise
Whether you are performing AC-DC conversion or DC-DC conversion, switching power supply layouts are common in high voltage design and must be constructed carefully. Although this system is quite common, it will easily radiate EMI due to the fast changes in voltage and current during switching. Designers can rarely adapt existing designs into new systems as a minor change in one area can create an EMI problem that is difficult to diagnose. With
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How to Select an Inductor for a Buck Converter
An SMPS is one of those quiet (yet electrically noisy) devices that makes your favorite electronics run smoothly. They sit in the background quietly doing their duty, yet your board wouldn’t operate without them. As part of DC-DC converter design for power-hungry applications, component selection is quite important for ensuring stable power delivery to a load with high efficiency. Among the numerous DC-DC converter topologies, a buck converter
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