Author: Grace

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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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What are Common PCB Manufacturing Defects?
ByGrace August 5, 2025August 5, 2025
Introduction PCBs (printed circuit boards) are essential to most modern hardware. However, they are prone to defects during the manufacturing process. These defects can lead to disappointing PCBs and negatively impact product performance and consistent quality. This comprehensive guide analyzes the most significant PCB manufacturing deserts, examines their underlying drivers, and provides potential answers to…
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Disadvantages and limitations of PCB Panelization
ByGrace August 4, 2025August 4, 2025
1.Why is panelizaiton necessary during pcb production?And then,after SMT printing,do we need to go though the hassle of cutting the PCB into individual boards? 2.What is the purpose of the PCB edge? 3.Isn’t it said that the less board material used ,the cheaper it is?what is the board material used,the cheaper it is?What is the…
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Is there a difference between gold and silver plating on PCBs?
ByGrace August 4, 2025August 4, 2025
Today, we’ll share some basic PCB knowledge. For example, do different PCB colors affect their performance? What are the differences between gold and silver plating? The following sections will explain each of these. Which is more noble? Unveiling the mysteries of PCB colors Many DIY enthusiasts will find the dazzling array of PCB colors used…
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How to Design PCB Enclosures and Layouts to Avoid Interference
ByGrace August 4, 2025August 4, 2025
Designing printed circuit boards (PCBs) is both fun and challenging, but PCBs require enclosures for mechanical stability. PCB enclosures can be purchased off-the-shelf or custom designed using MCAD tools. Regardless of the method chosen to create the enclosure, the PCB layout must be imported into the MCAD tool to ensure that the board and components…
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About copper pcb ——Summary of 9 PCB Copper Pour tips
ByGrace August 4, 2025August 4, 2025
Summary of 9 PCB Copper Pour TipsI. PCB Copper Pour Tips II.PCB Copper Pour Settings 1.PCB Copper Pour Clearance Settings: The copper pour clearance (clearance) is generally twice the routing clearance. However, if you set the routing clearance for the copper pour before pouring, the subsequent copper pour will default to the routing clearance. This…
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How Fast is PCB Development?
ByGrace August 2, 2025August 4, 2025
The global HDI printed circuit board market is projected to reach $24.63 billion by 2025, achieving a compound annual growth rate of 12.8%. Factors such as the increasing miniaturization of electronic devices, the rapid consumer adoption of smart devices, the significant growth of consumer electronics, and the increasing adoption of automotive safety measures are driving…
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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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PCB Testing: Electromagnetic Components
ByGrace August 1, 2025August 1, 2025
Testing PCB electromagnetic components is a key aspect of PCB testing. So, what are the methods for testing PCB electromagnetic components? 1.General Coil Testing For coil testing, you can use a digital bridge to measure inductance online. Since inductors often operate at high frequencies, you can set the frequency to 10kHz or higher for testing….
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What is Automated Optical Inspection for PCB Manufacturing?
ByGrace August 1, 2025August 1, 2025
When you use printed circuit boards (PCBs) in your projects, you need to ensure they perform well and satisfy your customers. Having reliable methods to test PCBs for defects and ensure they function as expected is essential. Printed circuit boards are becoming smaller and more complex—today’s PCBs may contain thousands of solder joints and numerous…
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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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