pcb design

pcb design

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How to master multilayer PCBs?
ByGrace August 6, 2025August 6, 2025
When hardware engineers first encounter multilayers PCBs,It is easy to feel overwhelmed.Ten or eight layers are common,and the lines resemble a spiderweb. Another ways to think about it is to use a 3D diagram to show the internal structure of various stacked PCB diagrams.This is much easier to understand. How to Master Multilayer PCBs? The…
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How Signals Propagate in PCBs
ByGrace August 5, 2025August 5, 2025
Designing printed circuit boards for electromagnetic compatibility(EMC) requires a deep understanding of signal propagation from the perspective of electromagnetic fields and currents.they help us design PCBs with low electromagnetic field emission and low sensitivity to external radiation or interference. In the first article in the “Mastering EMI Control in PCB design”series, we will delve deeper…
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How to prevent Contamination on pcbs
ByGrace August 2, 2025August 2, 2025
Ensuring chemical compatibility isn’t always as simple as avoiding adding fuel to the fire. When I was an undergraduate, I worked in a lab, specifically focusing on etching. The processing steps use a range of chemicals, sometimes incompatible. One day, my student colleague heard a strange noise while etching. A few minutes later, he closed…
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PCB Layout Style Mistakes That can Ruin Your design
ByGrace August 2, 2025August 2, 2025
Modern pcb layout software allows engineers,designers,and hobbyists to quickly and easily design pcbs.This software provides creative freedom,but sometime this isn’t good thing.PCB designers can make careless design mistakes that don’t affect the product’s functionality but can hinder assembly,debugging,and yield because these mistakes create confusion.This article explains some basic careless pcb design style mistakes and how…
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How to Select Resistor and Capacitor Components for PCB Design
ByGrace August 1, 2025August 1, 2025
Two crucial components in PCB construction are resistors and capacitors.Their roles are crucial to developing the highest-quality industrial PCBs for safe,seamless electronic performance in all aspects.If we rely on faulty components,including resistors and capacitors,the likelihood of a complete pcb failure increases. In this article,we’ll learn how to select the right components to maintain a PCB.Afterward,…
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Five Tips for Choosing PCB Connectors
ByGrace August 1, 2025August 1, 2025
Today, users must consider numerous parameters when selecting the right connector for their application. Here’s a checklist of things to look for. Now, users have far more to consider when searching for the right connector than in the past. The connector landscape is also expanding in terms of both choice and diversity. A few years…
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What causes PCB nail heads?
ByGrace August 1, 2025August 1, 2025
Today, we received a question about the causes of PCB nail heads. It’s a good question, so we’ll explain them in detail. PCB nail heads are nail-like components used to secure and connect PCBs. They are typically made of metal, such as copper or steel, and are shaped to be inserted and secured to the…
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What is reflection noise?
ByGrace August 1, 2025August 4, 2025
Whenever we send a signal from one digital integrated circuit to another on our PCBS, we change the state of signal line,That change in state and the accompanying changes in electromagnetic fields can be described as wave as it moves through the circuit.Waves are phenomena that transfer energy from one location to another,with conductors guiding…
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The Secret to a Longer Circuit Board Life: How to Maintain PCBs
ByGrace July 31, 2025July 31, 2025
What is the typical lifespan of a circuit board? First, under normal use and without damage, the circuit board itself has a fairly long lifespan. Manufacturers typically specify a lifespan of approximately five years, but this doesn’t mean the board is unusable after five years. In fact, with proper care and maintenance, it can last…
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What are the selection criteria for conformal coating on PCBs?
ByGrace July 31, 2025July 31, 2025
Reasons for using conformal coating on PCBs Conformal coating is also known as PCB protective oil, coating oil, moisture-proof paint, conformal coating, waterproof glue, insulating paint, anti-corrosion paint, salt spray paint, dust-proof paint, protective paint, coating paint, and conformal glue. PCBs treated with conformal coating are waterproof, moisture-proof, and dust-proof, and are resistant to thermal…
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What is the surface tension of a PCB?
ByGrace July 31, 2025July 31, 2025
What is PCB surface tension? Some of you have asked us about this today, so let us explain it to you. PCB surface tension refers to the interaction between a liquid or solid material and the air on the surface of a PCB. It is a physical phenomenon that describes the tension in a thin…
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PCB Drilling Considerations
ByGrace July 31, 2025July 31, 2025
Recent advances in miniaturization have been a major driver of the electronics industry’s continued growth. As miniaturization continues to drive industry growth, manufacturing electronic products and fabricating PCBs are becoming increasingly challenging. The most challenging aspect of PCB manufacturing is the integration of high-density through-holes (VTHs) and interconnects. VTHs are used to mount electronic components…
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Copper Foil Current Carrying Capacity in PCBs: A Comprehensive Analysis
ByGrace July 30, 2025July 30, 2025
Abstract The current carrying capacity of copper foil in printed circuit boards (PCBs) is a critical factor in ensuring reliable performance, thermal management, and long-term durability of electronic devices. This paper explores the key factors influencing copper foil current carrying capacity, including trace width, thickness, temperature rise, and environmental conditions. Additionally, it discusses industry standards,…
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The Relationship Between PCB Trace Width, Current, and Temperature
ByGrace July 30, 2025July 30, 2025
Abstract This paper explores the critical relationship between printed circuit board (PCB) trace width, current carrying capacity, and temperature rise in electronic circuit design. As electronic devices continue to shrink in size while demanding higher performance, understanding these interrelationships becomes increasingly important for reliable PCB design. The article examines the fundamental principles, presents relevant formulas…
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Using Flex-Rigid PCBs Produces More Reliable Products
ByGrace July 30, 2025July 30, 2025
Expensive and complex discrete interconnect cables can reduce design reliability, increase design cost, and increase overall design size. Fortunately, there is an alternative to flexible and flex-rigid PCBs. Flexible PCBs offer a cost-effective and convenient solution to your design’s interconnect requirements, with the added advantage of increased PCB repeatability and reliability. Discrete interconnects have inherently…
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