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PCB Card Edge Connector Area: Design Considerations and Optimization
ByGrace July 7, 2025July 7, 2025
Introduction Printed Circuit Board (PCB) card edge connectors represent a critical interface technology in modern electronics, providing a direct, cost-effective connection between PCBs without requiring additional connector components. The design of the PCB area dedicated to these connectors—commonly referred to as the “card edge interface area”—significantly impacts the reliability, signal integrity, and mechanical stability of…
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The Impact of Copper Pour Area in PCB Design: A Comprehensive Analysis
ByGrace July 7, 2025July 7, 2025
Introduction to Copper Pour in PCB Design Printed Circuit Board (PCB) design has evolved significantly over the past few decades, with copper pour becoming an essential technique in modern electronic design. Copper pour, also known as copper flooding or copper fill, refers to the process of filling unused areas of a PCB with solid copper…
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Routing strategy in PCB Layout
ByGrace July 7, 2025July 7, 2025
Layout is one of the most basic working skills of PCB design engineers. The quality of routing will directly affect the performance of the entire system. Most high-speed design theories must eventually be implemented and verified through Layout. It can be seen that routing is crucial in high-speed PCB design. The following will analyze the…
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PCB modular layout ideas
ByGrace July 7, 2025July 7, 2025
Facing the increasingly integrated hardware platform and increasingly complex electronic products, PCB layout should have a modular mindset, requiring modular and structured design methods to be used in both hardware schematic design and PCB wiring. As a hardware engineer, on the premise of understanding the overall system architecture, you should first consciously integrate modular design…
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Tips for Specifying PCB Hole Tolerances
ByGrace July 7, 2025July 7, 2025
One of the more forgotten topics in PCB design is the holes that mount components. Specifying tolerances on hole sizes in PCB manufacturing ensures the proper fit of plated through-hole (PTH) components. Altium Designer PCB design software can add hole tolerance attributes to your pads and through holes, which will be communicated to the manufacturer…
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Setting and using the origin in Kicad PCB
ByGrace July 7, 2025July 7, 2025
KiCad can use three types of origins in the PCB editor: page origin, drilling/placement file origin, and grid origin. You can also customize the direction of the coordinate axis. ” Introduction KiCad is a CAD system based on 2D data, which requires coordinates to mark the position of objects. In theory, it is possible to…
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Types and selections of PCB surface molding
ByGrace July 7, 2025July 7, 2025
When making board specifications, the following items should be taken into consideration: PCB substrate material, solder mask, screen printing, surface molding, board size and thickness, copper thickness, blind and buried vias, through-hole plating, SMT, panels, tolerances, etc. should be considered before actually manufacturing the circuit board. Among these items, the choice of surface molding belongs…
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Should You Use Lead-Free PCB Assembly?
ByGrace July 7, 2025July 7, 2025
In February 2003, EU 1, which includes nearly 30 of the continent’s 50 countries, adopted the Restriction of Hazardous Substances Directive 2002/95/EC, or RoHS 1. The directive set July 1, 2006 as the deadline for restricting the use of six “hazardous materials” in the manufacture of electrical and electronic equipment. Compliance with the directive and…
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PCB automatic board making machine operation guide
ByGrace July 7, 2025July 7, 2025
When you buy a PCB circuit board rapid production machine, you naturally want to make a circuit board immediately to see its powerful functions, but please don’t be in a hurry, and please read the instructions and the operation introduction in this column carefully before you start. You will soon become familiar with the operation…
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How to quickly make PCBs, what are the methods?
ByGrace July 7, 2025July 7, 2025
1.Introduction to rapid plate making In fact, there are many methods for rapid plate making, such as the following: (1)Mechanical engraving This method uses physical engraving to separate the leads and pads on the PCB board from the unwanted copper. Of course, if there is no such expensive professional equipment, you can also use a…
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Common drilling problems when drawing PCB boards
ByGrace July 7, 2025July 7, 2025
The design of electronic products is from drawing schematics to PCB layout and wiring. Due to lack of work experience and knowledge, various errors often occur, which hinder our subsequent work. In serious cases, the circuit boards produced cannot be used at all. Therefore, we must try our best to improve our knowledge in this…
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Guidelines for Drawing PCB Schematic
ByGrace July 7, 2025July 7, 2025
Schematic is the logical and visual representation of the circuit. It is the first step in designing an electronic product. Earlier, designers used to draw circuit diagrams on paper. Now, they have started using PCB design tools (M-CAD and E-CAD) that have simplified the design process. It is recommended that designers follow standard schematic guidelines…
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About PCB heating circuit design
ByGrace July 7, 2025July 7, 2025
Since the product needs to work in a low temperature environment, it has exceeded the minimum operating temperature requirements of some components on the circuit board, so it is necessary to add an additional heating circuit so that the overall temperature of the PCB board can be kept within the range required by the components….
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How to divide large current and small current on PCB board
ByGrace July 5, 2025July 4, 2025
In electronic circuit design, PCB (printed circuit board) is a key part to realize the function of electronic equipment. In the process of PCB design, the distribution of current is a very important issue. 1.The concept of current Current refers to the amount of charge passing through the cross section of a conductor per unit…
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Classification and Advantages Analysis of Metal Core PCBs
ByGrace July 5, 2025July 4, 2025
Abstract Metal Core Printed Circuit Boards (MCPCBs) are widely used in high-power and high-heat dissipation applications due to their superior thermal management capabilities. This article explores the classification of metal core PCBs based on their substrate materials, including Aluminum (Al), Copper (Cu), and Iron (Fe) based substrates. Additionally, the advantages of MCPCBs, such as enhanced…
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