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PCB Design
Pad Stack Design And Fine Pitch Components, Part 2
What happens when you try to route two traces between pins on 1mm and below pitch BGAs? In Part 1 of this article, I reviewed the various aspects of unplated holes in the pad stack and what is needed to calculate the complete dimensioning of the finished hole size of the plated through-hole. Within this article, an analysis was done to determine how much room there was for traces between BGAs with a pin spacing of 1 mm on high layer count PCBs
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SMPS Circuit Design: Which Switching Frequency to Use?
Power supply on a network switch Power electronics and switched-mode power supply (SMPS) designers should know that working with higher switching frequencies can lead to higher switching losses in your system. However, the push to miniaturize power supplies, and the components that go into them, compels designers to work with higher switching frequencies in their SMPS circuit designs. This then creates problems where switching losses and noise
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Frequency Modulation Simulation in Altium Designer
When working with analog signals, you need to ensure your device is operating linearly in order to prevent problems like harmonic distortion during operation. Nonlinear interactions in analog devices lead to distortion that corrupts a clean analog signal. It may not be obvious when an analog circuit clips just from looking at your schematic or datasheets. Instead of tracing through your signal chain manually, you can use simulation tools to get
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PCB Trace Width vs. Current Table for High Power Designs
Copper is a strong conductor with a high melting point, but you should still do your best to keep temperatures low. This is where you’ll need to properly size power rail widths to keep the temperature within a certain limit. However, this is where you need to consider the current flowing in a given trace. When working with a power rail, high-voltage components, and other portions of your board that are sensitive to heat, you can determine the
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WifiWall Technology Protects Against Cyberattacks
Do you travel a lot? If so, do you use your smartphone, tablet, or notepad computer in airports or hotels? Even if you aren't a road warrior, do you use any of the aforementioned devices in public places like coffee bars? WiFiWall 5.0 Traveler (Image source: WiFiWall.com) In my case, I would answer with a resounding "Yes" to all the above. Of course, just about everyone these days knows that public Wi-Fi is subject to nefarious folks mounting all
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TradeInTradeUp_AD20
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A Comparison of NVIDIA’s Embedded AI Computing Platform Options
Each new embedded AI computing platform blurs the lines between man and machine... When I first got started with machine learning applications, specifically text classification and sentiment analysis, I was working with an eCommerce client building everything onto a web server. Given the huge amount of data we continue working with on a daily basis, it only made sense to build our platform on a dedicated server. For some AI applications
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Python and CodeBots Dragging Students into STEAM
CodeBot. Image source: Firia Labs I have a friend. It's true. I'm not joking. Settle down. Look -- I'm not going to continue until you cease squirming in your seat and stop giggling. That's better. Now, if you're quite finished, we'll continue. We'll call my friend David (because that's his name). David is one of the cleverest guys I know. He has a size-16 brain -- the type with the go-faster stripes painted down the side. He has expertise with
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High Speed Design Features Growing Forward with Altium and Simberian Partnership
Happy New Year from Altium! In our first article of the year we talk to Roger Paje, VP of Sales and Marketing at Simberian about our recently formed formal partnership and how their highly accurate field solver technology is helping usher in new high-speed design capabilities in Altium Designer such as layer stack, impedance and surface roughness modeling. These enhancements began in Altium Designer 19, were amplified in Altium Designer 20, and
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Altium 365: The New Frontier of Collaborative Cloud-Enabled Electronics Realization
In this interview, we talk with Leigh Gawne, Chief Software Architect at Altium, to learn about Altium 365 and the impact he foresees that Cloud-enabled electronics realization will have on Design Engineers--as well as the entire industry. (To see Leigh Gawne and team collaboratively design a board LIVE in Altium 365 at this year’s AltiumLive conference, watch this video ). Judy Warner: Leigh, please tell our readers about your background and
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1:17
When Should Designers Start Working With Their Board House?
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1:05
Why Are Designers Adding Notes Regarding ENIG in Their Designs?
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2:50
Have There Recently Been Any Changes Regarding ENIG?
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2:05
What Is Hyper-corrosion and Why Is It Problematic?
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1:33
How Are You Dealing With Designer - IPC Spec Issues?
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1:29
Do Designers Usually Have Access to IPC Specs?
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2:05
What Mistakes Are Designers Making Regarding IPC-4761?
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