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PCB Design
Digital Player Grounding: How a Single Ground Connection Messed up 100 Units of MP3 Players
Technology is pretty great and it has definitely made certain things in life easier. However, when you’re juggling parenting, coding, electronics design and occasionally writing an article like this. Sometimes even the coolest apps can’t mitigate the stress we experience in a day. For example, this morning I accidentally mistook salt for sugar and mixed it into my child’s favorite porridge. One small mistake on my part and suddenly my 5-year-old
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Google Glass Enterprise Edition Breaks Into Workplace Market
Do you ever wonder what it’s like to be the first to do something? It must be a grand feeling to go where no man has gone before, whether that place is a mountain or the moon. There are also a lot of risks that come with maiden voyages. You can plan all you want, but the only way to find out what lies on the edge of the horizon is to go there. Google, now Alphabet, has long been a pioneer in the tech world. Their Google Glass product was a bold
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Why You Should Follow These Best Practices In Real Time Clocks Design
Have you ever been late for school because your alarm clock decided to stop at 3.15 AM? In high school, my alarm clock wasn’t very pleasant sounding, but the sound of my mom shouting at me was worse. I knew that my clock had stopped because its battery was dead. However, had I paid closer attention, I would have noticed that my clock ran slower as the battery drained off. That way I could have changed it in time and avoided rising to my mom’s
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Semiconductor Fibers: What Will Replace Fiber Optic Cable Transmission Lines?
The Internet is a strange and wonderful place. I grew up at the end of the age of dial-up Internet when chat rooms were all the rage. Now, I occasionally enjoy using the Internet to play some online games, which was impossible back then. My telephone router and its copper network could barely support enough bandwidth to load an image. Now our networks have been upgraded with blazing fast fiber optics. While these communication systems are
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RF Technologies for Low-Power Wireless Communications: Ambient Backscatter
I love family reunions, though, with forty people in my extended family they can get a bit hectic. Whether we’re playing cards, swimming, or at the dinner table there’s always someone telling jokes and stories. In fact, most people are trying to talk so sometimes you have to yell to be heard. It can also be difficult to communicate in the electromagnetic spectrum. Your devices often have to “shout” their own signals into the void in order to
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Wearable Tech: Functional and Fashionable Technology
Do you ever look at old pictures of your parents when they were younger and wonder, “why were they wearing those hideous clothes?” I find the giant glasses to be particularly bad. Fashion is and always has been important, even if trends change. When it comes to the Internet of Things (IoT) and wearable electronics, aesthetics often seem to be left by the wayside. Designers seem to let functionality determine to look and form factor, rather than
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DRCs in PCB Design: How They Can Save Your Design from Sinking
For many years I owned a small boat which gave me hours of fun on the water, but there are a few critical rules that have to be obeyed. One of those rules is that you MUST install the drain plug before putting your boat in the water. It’s a lot cheaper to go for a swim intentionally, rather than unexpectedly in order to retrieve your new boat. Everyone knows that rules are there for our protection. But sometimes, whether accidentally or on
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Considerations for Designing a High Voltage PCB
I used to think that high voltage applications were only used in power engineering. Since I had no desire to work at a power plant or transformer station, I was safe from having to learn high voltage PCB design considerations. Alas, my interest in space applications proved me wrong and forced me to confront my laziness. It turns out high voltage applications show up in almost every industry, from manufacturing and power plants to medical and
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Assessing the Post-Development Hardships of Uncontrolled Data Management
For every, team, and business, getting to the release state should be the moment where you can breathe a sigh of relief. This moment, unfortunately, doesn’t always lend itself to joyful celebration. Project completion can mean a) you and your team have successfully constructed a design without any flaws in the documentation process and can now prep for its release, or b) you’ve successfully completed your design but realize a minor (or major)
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RF Technologies for Low-Power Wireless Communications: Ambient Backscatter
I love family reunions, though, with forty people in my extended family they can get a bit hectic. Whether we’re playing cards, swimming, or at the dinner table there’s always someone telling jokes and stories. In fact, most people are trying to talk so sometimes you have to yell to be heard. It can also be difficult to communicate in the electromagnetic spectrum. Your devices often have to “shout” their own signals into the void in order to
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How to Prevent Hairline Short Circuits in Your PCB Circuit Design
What’s worse than finding a strand of hair in your pasta when you’re out on a dinner date? Finding it after it has ended up in your mouth. There are two ways to avoid awkward scenarios like this. For one, you can keep a close eye on your food and make sure it is hair free before it enters your mouth. The second is to ensure that there is no chance of a hair ending up in your food; in this case, you might need to go to a new restaurant. In PCB
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High Voltage PCB Design: Creepage and Clearance Distances for High Voltage
Designing high voltage PCBs following specific spacing guidelines is critical. In high density circuit boards, spacing is even trickier and more important for protection.
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IoT Hardware Boards and Platforms Are Becoming Flexible
Do you remember all the fads and obsessions you had when you were a kid? When I was younger everyone was going crazy for Pokemon and whatever electronic gadgets they could get their hands on. These two crazes eventually combined into one ultimate trend, the Tamagotchi . It was a huge hit, building on the portable electronic fever and children’s love of tiny unrealistic animals. Recently two fads in the PCB world have combined, flexible
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Capturing Key Design Details in PCB Documentation
One of the most important yet often avoided aspects of documenting a design is the formal design document. Too often we finish the design, generate fabrication, assembly, and validation documents then consider the job done. Properly capturing the system specification, design intent, design process and traceability back to the specification is a time-consuming and arduous yet very necessary task. The design document must capture all aspects of the
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USB Type-C: A New Frontier for Power and Data Transmission
When it comes to PCB design, imbalanced power demands in your board can knock the wind right out of your sails. Power discrepancies can quickly turn the tide of your design process and can be extremely difficult to amend without having to do considerable rework. So what’s the solution for getting your voltage levels just right, and is it possible to increase the transmission of data while reducing your power consumption? To start, you’d need a
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Structural Integrity and the Challenges of Rigid-Flex PCB Design
With the advent of rigid-flex, we’ve been able to fit more in a smaller form factor than ever before. Not only that but rigid-flex designs have an edge over rigid designs in weight and reliability. I could write a blog on just the advantages of rigid-flex, but I’ll leave that for another day. Rigid-flex is great, but there are some things you need to be aware of when you work with it. What I’d like to highlight in this blog are the routing
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Designing General PCB Controller for your Circuit Board Layout
I always thought that to be successful you need to emulate the success of others. When I started my career, there weren’t any single board computers like Raspberry Pi, and no one took Arduino seriously for industrial applications. You can imagine how bad it was the first time I did maintenance on a general purpose controller that I designed. It was a fire alarm controller that had over 50 wires manually screwed onto it. I had to replace a faulty
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