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PCB Design
Common Mode Choke Selection
Noise on power supply lines can be a major headache. We'll examine how to select a common-mode choke to help eliminate common-mode noise.
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Mastering Magnetism: Hall Effect Sensors and Applications for PCBs
Magnetism allows you to do some really cool things—especially when electrons move through a magnetic field. One device that uses the deflection of electron motion for sensing is a Hall effect sensor. These little devices are used in automotive, manufacturing, consumer electronics, and other industries. The Hall effect basically allows a magnetic field to be sensed, which offers several possible applications. Some of the possible applications
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Routing Requirements for a USB Interface on a 2-Layer PCB
In an earlier blog, I discussed some of the basic points in preparing routing rules for 2-layer PCBs to support routing and layout with digital signals. In particular, we looked at some of the basic stackup and routing rules needed to support a digital interface like I2C or SPI on a 2-layer PCB. When working with these interfaces, a few simple guidelines can help ensure signal integrity in your board and cut down on EMI. What about an impedance
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Ferrite Core Selection and Design Decisions
When designing a transformer or using a ferrite core inductor, you must use the correct design process, and there is no substitution for real-world final testing. Let’s look at the process.
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Schematic Design Review Checklist
This article is a simple, no-frills checklist to help you check schematics. Read now and avoid schematic design mistakes that could make their way into prototypes or production without a second thought.
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Beginner's Guide to H-bridge Full Wave Rectifier Design
Need to start a new power conversion design? You’ll probably need an H-bridge full-wave rectifier to produce a stable DC output.
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Energy Harvesting Sensors for Medical Devices and Remote Sensors
Harvesting energy from the environment is an increasingly popular technique for powering electrical devices. Let’s discuss sources and implementation.
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How Important is Your Microcontroller Clock Source?
The type of clock signal you need to use for your microcontroller will depend mainly on the nature of the device it’s embedded in and its operating environment.
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MMw and RF Interaction
John will generously share with us today a glimpse of his recent keynote presentation at PCB West 2021. Watch now, and don't miss this rare opportunity to learn from expert John Coonrod.
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Copper Pour and Via Stitching: Do You Need Them in a PCB Layout?
When is it appropriate to use copper pour or via stitching in your PCB layout? Read our guide on copper pour and how it can be used properly with via stitching.
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PCB Design Review Checklist
It’s essential to check a board for issues before production or prototyping. Here’s an extensive checklist you can adapt or use directly for PCB design review.
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Best Practices in Hardware Version Control Systems
Read more about some best practices for using hardware version control systems in electronics design.
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Do You Always Need 1 oz. Copper Thickness on Each Layer?
1 oz. copper thickness is often seen as a standard thickness value used in many designs. Here’s when you might need thicker copper on every layer.
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Getting Started With ESP8266
A project overview on getting started with the ESP8266 device. Expert Ari Mahpour reviews the benefits of using a device such as the NodeMCU board from HiLetgo and how to get up and running with a few examples.
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Getting Started with MQTT and Arduino Uno
Check this out. This is a new project overview demonstrating MQTT by expert Ari Mahpour. In this article, Ari answers the What and Why of MQTT, and gives guidelines to get your project started.
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PCB Silkscreen Guidelines
PCB silkscreen helps ensure your board is easy to read and test, and it aids assembly by clearly indicating component locations.
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The Wheel Keeps Turning: Advanced Bill of Materials for PCB Design
At a young age, my grandfather was trained in the repair and construction of wooden wheels, which was a necessary skill on the rural farm where he was raised. When modern times finally found Eastern Missouri, that highly skilled confluence of woodworking and blacksmithing was totally replaced by modern technology, save for the occasional historical re-creation. The change had been inevitable, so my grandfather proactively added machining
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