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PCB Routing
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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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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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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How Component Placement and Routing Helps Protect Your PCB from ESD
I organize certain things with a reportedly alarming neuroticism. In grad school, there was a line of demarcation between the edge of my side of the desk and the pile of sample containers and papers that began on my neighbor’s side. This same tendency, though annoying to deskmates and boyfriends, especially since it doesn’t extend to bathrooms, makes me an ace at optimizing component placement on PCBs. Not only does this keep things neat, it also
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The Correct PCB Routing and PCB Layout to Help Protect Your Board From ESD
When I started running, I went with a friend who had finished several ultramarathons. She would run miles from her house, do a short loop with me, and then carry on without me. When I got faster, instead of getting to go home sooner, she made our loop longer. She was tricky about it, too. She always planned a route where it would be boring for me to turn around early, or on new trails so I’d get lost trying to take a “shortcut” back. As an urban
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The Most Important Features for PCB Layout Software Comparison: PCB Design Tips Tricks - Altium Audio Bites
Altium Audio Bites, giving you bite-sized information that's easy to digest and apply to your everyday design tasks. From our PCB Design Tips & Tricks audio series here is: The Most Important Features for PCB Layout Software Comparison. All our audio series are from real PCB designers in the field, detailing their day to day problems and experiences. We hope you can learn from this as much as we have. Give it a listen and let us know what you
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How Parasitic Inductance Can Impact Your ESD Protection
When I was a kid, I was certain I was going to be a biologist. I collected all kinds of lizards, tadpoles, and insects, and spent most of my allowance on aquariums for my various creatures to live in. However, one thing really held me back. I am super grossed out by parasites. I will let a mantis or snake crawl all over me, but even looking at a tapeworm gives me dry heaves. Eventually, I went into engineering, where nothing needs weekend
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The Most Important Features for PCB Layout Software Comparison
Have you ever gone to a used car dealership and tried to get a good deal on a car? It’s nearly impossible for anyone but a mechanic. When I went I ended up with a choice between two cars that seemed nearly identical to me, except for their price. I picked the cheaper one and took it to a local shop, and found out that I’d chosen a jalopy. Sometimes choosing PCB design software can feel the same way. You use a free program or spend some money on
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Pros and Cons of Different High-Frequency Transmission Line Types
You already know that dating is something I struggle with. After my failed attempts at blind dates and speed dating, I decided it was time to try online dating. I found a nice woman who said she was my age and set up a date. Upon arrival, I found out that I’d been catfished--that wasn’t actually her in the picture! Needless to say, it didn’t go well. It made me realize that I should have done a bit more research about my date and online
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Everything You Need to Know About Microvias in Printed Circuit Design
Have you ever wondered how designers pack so much functionality into such a small space? You can thank HDI design techniques and microvias in printed circuit design. These small structures let traces reach inner layers of a PCB with high interconnect density and high layer count. These structures have been around for years, but they are becoming more common in a variety of systems that require multiple functions on a single circuit board. If you
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How to Simplify Your Circuit Replication with Multi-Channel Design
Circuit replication, especially in flat designs, presents several unique challenges that occur when you copy PCB layout designs. You can't simply copy and paste footprints around your PCB layout and expect all of your design data to remain synchronized without errors. What about reverse engineering? Similarly, when you need to reuse schematic circuit blocks, taking the copy and paste approach simply takes too long and can make your schematics
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Making Friends with Differential Pair Schematics
A question arises when working with differential pairs, particularly when you inherit or import designs where the differential pair directives were not added to the schematics. Is it actually necessary to set up the directives in the schematic documents? In order to use the schematic Differential Pair directives in Altium Designer
®
, a specific naming convention must be used. The negative and positive signals of the pair must follow the
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How to Avoid Common PCB Signal Integrity Issues in Your Designs
Learn the common PCB signal integrity approaches to help eliminate basic system level failures.
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How to Improve Your Routing Techniques
With the routing protocol being one of the most time-consuming board layout tasks, designers need as many tools as possible for today’s complex design requirements. But with board layouts incorporating broad support of component, wifi signal and fabrication technologies in increasingly smaller components enclosure sizes that call for a specific router bit, how can we ever automate this time-consuming process? Read on to get a look into how you
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Autorouting, or No Autorouting? A History of Failed Design Automation
Learn about the complete history of EDA design automation and the evolution of PCB autorouting technology from the 1980s to today. Welcome to the world of electronics. It’s 2016, and we’re now seeing more technological sophistication than in any other period in human history. Just this year alone autonomous vehicles have began their introduction into the public sphere, rockets are being re-landed from space for reuse with finely tuned precision
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How to Simplify Your Routing with Pin Swapping
Optimal component placement goes a long way towards minimizing crossover connection lines. However, crossovers can never be completely avoided. Learn how you can simplify your routing process and avoid wasting time with crossover connections. Optimal component placement goes a long way towards minimizing crossover connection lines. However, crossovers can never be completely avoided. A large number of crossover connections make routing a PCB
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DFT in PCBs: Design for Testing
The overall cost to produce a completed printed circuit board can be broken down into several basic categories: the cost of manufacturing the blank PCB layout, the cost of components, the assembly costs, and the cost of testing. That last one, the cost of the PCB test, can comprise as much as 25% to 30% of the total cost of producing the entire product. Best practices for Printed Circuit Board DFT is key. By designing a product to have the
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