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Recent Articles
7 Benefits of In-House Fabrication and Additive Manufacturing
If you are like 98% of the PCB designers out there, you know what it can be like to run through the gauntlet of outsourcing a design to a third-party manufacturer to receive a prototype or two. The process is usually a little painful, often pricier than you’d have hoped, and leaves you waiting for longer than you’d expect. I often think that the manufacturing process is similar to going out to dinner at an overrated restaurant; you’ll wait on an
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Connect and Conquer: Multiboard Design Adaptation in PCB Design Software
Years ago I designed boards at a service bureau where there were several different customers and the boards that I worked on were unique in size and function. And in all of those designs, none of them were ever from the same system. Not only was it more to spread the design work around back then, but the only way to do system design was to create the boards individually and then test the prototypes together. With faster times to market and
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Minimize Propagation Delay in Logic Gates: Synchronize Pulse Trains
When you have an analog watch, daylight savings time can wreak havoc in your personal and professional life. You might wake up and not even realize that you are an hour off schedule. No one wants to admit that they have fallen victim to daylight savings time, and your entire schedule has to resynchronize when this happens. Synchronizing your clock and your electronics components is critical in high-speed PCB design. Applications like bus trace
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Choose Unified Symbols for Your PCB Prototype Design Documents
I love spending hours at the bench soldering parts together and looking at the resultant signals they produce. It is satisfying to see the signals take shape on the oscilloscope as I refine each block. I’m surrounded by tools and equipment, little bits of wire and solder strewed from the invention process. Joining the beautiful mess are scattered components pulled from sample parts binders stored in the lab. Soon my prototype design will be ready
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Customize designs with Consistent and Flexible Custom Rules and Queries
In the early stages of a circuit design, I frequently consider mechanical dimensions along with circuit requirements. Knowing dimensions of large components helps me visualize where they will fit with respect to overall three-dimensional device enclosure and the board’s location within the space. During the thought experiment for fit, I begin making notes about tolerances I’ll push as a tradeoff between electrical functionality and mechanical
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Don’t Reinvent the Wheel: Use Altium Multi-Channel Design for Easy Repeat Circuit Use
If you are like me, you would agree that one of the most wasteful exercises is repeating the same task over and over again. Of course, I am not referring to activities that require repetition in order to achieve a good level of competence. After all, practice does make perfect. Instead, I am speaking of the wasteful recreation of a completed PCB design to use in a different product, which is akin to reinventing the wheel when it is already in use
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How to Panelize Your PCBs Before Lunch with Altium Designer
Whether you have a slew of PCBs to mass produce for your customers or a handful of project boards you wish to prototype all in one simple swoop, panelization is an effective way to bring high throughput and efficiency to PCB production. In earlier days of PCB design, you would need additional software, hours of clunky engineering, and maybe even feasibility meetings with manufacturing teams for PCB panelization. However, today's PCB design
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Inventors Should Spend Time Designing and Less Time Writing a Bill of Materials
There’s a beautiful sense of satisfaction that comes with building something great. You took the time to think through the concept, perfect your design, and translate your vision into a functional prototype. You’re driven to bring your product to market, but you don’t want to spend time worrying about documentation. Your bill of materials is like a recipe and a shopping list for your new product, all rolled into a single document. The bill of
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Incorporating DFM for Panelization in Your Electronics
Oftentimes, in a larger production environment, companies seek small tips and tricks along the manufacturing route in the hopes of significant cost savings. As a ‘low hanging fruit’ of costs savings, manufacturing is (or at least should be) a highly discussed topic early on in the design phase. Keeping manufacturing principles and specifications in mind at the design stage is what is known as design for manufacturing (DFM). There are a handful of
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Hybrid or Compact: Fractal Antennas in PCB Design
The Mandelbrot Set was always a popular poster among my fellow students when I was in college. The zoomed-out picture hung on dorm room walls and even appeared on some graphic t-shirts. The fact that no one seemed to know about the Mandelbrot Set or understand fractals didn’t seem to matter. It wasn’t until much later that I realized how useful fractals could be in designing antennas. There are many antennas in the PCB world including: microstrip
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Increase Your Component and Trace High Density With Via-in-pad Plated Over Technology
I’ve got this awesome four-speaker stereo system with a subwoofer in my apartment that my neighbors love to hate. As much as I enjoy listening to music on this thing, the only part I hate is the mess of audio cords that hide behind the speakers. The last time I tried to clean behind my system, I nearly ripped out some of the audio cords. If only routing my high density of audio cords was as easy as routing traces on an HDI printed circuit board
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Component Information Management in a Unified Design Environment
Selecting components for your PCB device gives it life and should be performed carefully. If you have ever looked for components to use in your PCB, you will find that the list of available components is massive. Each component has a long datasheet that defines its footprint, electrical specifications, pin arrangement, etc. Rather than read through datasheets all day trying to decide which components you need, all this information should be
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Design for Easy Processes: Create and Link Supplier Data to Any Component
If you’ve spent any time with Altium Designer, you’ll already have some familiarity with the ease and simplicity behind such a powerful library platform. There are times, however, when these libraries will require you to get your hands dirty. Whether it be a simple part number change, or re-engineering some key parameters, your edits can be simplistically updated in a matter of moments. In this specific example, we’ll take a look at a common
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The PCB Design Advantages You Can Expect with Altium Designer 3D Viewing
I read once about a test pilot during World War II who complained about how a new fighter plane’s engine quit on him when he rolled the plane on its back. This is a pretty basic maneuver for a fighter, but because the engine wasn’t designed for inverted flight it couldn’t perform as it was expected to. I remember that story because I have had a similar experience with many of the PCB CAD systems that I have used over the years. Because those
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EMI Reducing PCB Shielding Techniques to Incorporate in Your Designs
I spent most of my twenties producing and mastering music for local artists. As much as I love older consoles, it gets annoying to listen to audio from one channel bleeding over to other channels. Newer consoles are built with proper EMI shielding and crosstalk reduction measures, and the analog signals in these newer consoles are much cleaner. Digital devices are not immune either. Modern computers and smartphones continue to pack more silicon
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Let Your Designs Talk for You: Export Altium 3D Layout Artwork to Adobe® PDF
It wasn’t long ago that getting to new places around town required talking and writing down verbal instructions from another. I’d pull out my city map and study the route, having to note each street and intersection where I’d turn. It worked, but it took concentration and good map-reading skills. Today, I use my smart phone’s map feature and audio capabilities to get where I’m going. Assembly instructions for printed circuits contain the same
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PCB Design Software Upgrades: Progressive Releases Build Confidence
There is pain and pleasure when anticipating new technology. All of us have been through steep learning curves that wear down the elation to use technology that’ll do something cool. Soon we abandon newly-adopted technology given its lack of delivery on the promise. There are some gadgets, however, that not only perform but are easy to use. Ease of use with powerful features is a pleasure. When powerful features evolve we’ve got a home run! Each
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