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Electromagnetic interference (EMI)
EMI in Your High Speed PCB Design: Understand the Signal Rise Time
Learn more about your high speed design and how to deal with switching speed, rise time, and EMI in your high speed PCB layout.
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Crosstalk in Mixed-Signal PCB Traces and Ground Planes
Learn how to suppress mixed signal crosstalk and EMI in PCBs with the right ground and power plane arrangement.
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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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RF Interference Prevention and RF PCB Design in the Internet of Things
Have you ever been to a party where there was so much noise you could barely hear yourself think? I’m a dedicated introvert, but sometimes my friends lure me out to such gatherings with promises that it will be “very relaxed.” They never are, and I don’t seem to learn. It’s times like those that I wish it was socially acceptable to wear noise-canceling headphones to such events. In the world of electronics, the burgeoning Internet of Things (IoT)
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Conducted Emissions Test Equipment and Noise Reduction Guidelines
One of my classes in college was so difficult that the professor would give us the test questions a week in advance. Even knowing exactly what to study for the exam, lots of students still failed. Conducted emissions analysis for electromagnetic compatibility (EMC) is similar. Devices need to be checked to see if they’re putting too much noise back into the grid through their power supply. Otherwise, the FCC will think you’re disrupting utility
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Switching vs Linear Voltage Regulator: What’s the Best Choice for Your Power Management Circuit?
Have you ever had a capacitor explode in front of you? That’s how I started my career in electronics design. I also messed up the power budget calculation for what was initially pitched as a “simple” project. The end result was a PCB prototype with a red hot voltage regulator that was capable of frying an egg...or worse. Since then, I’ve come to realize that design elegance and sophistication matters little. If you make an error when configuring
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How to Use a Ferrite Bead in Your Design to Reduce EMI
EMI and EMC can be a tricky subjects, and it's often tempting to mis-apply design guidelines to try and reduce EMI. One of these areas relating to EMC in PCB design is the use of ferrite beads. These components are basically filters, and they do perform a useful function on power cords in many electronics. You're probably reading this article on a laptop that uses a ferrite to filter out conducted EMI from the supply line. A problem begins to
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Using ESD Grounding Techniques to Protect Your PCB from Electrical Damage
ESD grounding needs to be implemented in the PCB layout and in the enclosure to ensure devices can be protected from damage.
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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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