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eDP Interface PCB Layout and Routing Guidelines
ByGrace June 3, 2025May 30, 2025
Introduction Embedded DisplayPort (eDP) has become the dominant interface for connecting display panels to system boards in modern computing devices. As a high-speed digital interface derived from DisplayPort technology, eDP requires careful PCB design consideration to maintain signal integrity and ensure reliable operation. This article provides comprehensive guidelines for PCB layout and routing of eDP…
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The Role of Jumpers in Printed Circuit Boards (PCBs)
ByGrace June 3, 2025May 30, 2025
Introduction In the intricate world of printed circuit board (PCB) design and manufacturing, jumpers (commonly called “jumpers” or “jumpers”) serve as essential components that provide flexibility, functionality, and problem-solving capabilities. These small but mighty conductive connections play multiple roles in electronic circuits, from enabling configuration options to facilitating repairs. This 2000-word article explores the various…
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What is a PCB Stencil and What Are Its Functions?
ByGrace June 3, 2025May 30, 2025
Introduction to PCB Stencils In the world of printed circuit board (PCB) manufacturing and assembly, precision and efficiency are paramount. One critical tool that enables both is the PCB stencil, commonly referred to as a “PCB steel stencil” or simply “PCB stencil.” This specialized tool plays a vital role in the surface mount technology (SMT)…
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Planning and Handling of Ground and Power Lines in PCB Routing
ByGrace June 2, 2025May 29, 2025
1. Introduction Printed Circuit Board (PCB) design is a critical aspect of electronic product development, where proper routing of power and ground lines significantly impacts performance, signal integrity, and electromagnetic compatibility (EMC). Poorly designed power and ground networks can lead to noise coupling, voltage drops, and even circuit malfunction. This article explores best practices for…
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How to Choose the Right PCB Stackup for Your Design
ByGrace June 2, 2025May 29, 2025
Introduction Printed Circuit Board (PCB) stackup is one of the most critical design considerations that directly impacts the performance, manufacturability, and reliability of electronic devices. The stackup refers to the arrangement of copper and insulating layers that make up a PCB. Selecting an appropriate stackup is essential for signal integrity, power integrity, electromagnetic compatibility (EMC),…
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The Relationship Between Capacitor Cracking/Shorting on PCBA and Design Factors
ByGrace June 2, 2025May 29, 2025
Abstract Capacitor cracking and subsequent short-circuiting on printed circuit board assemblies (PCBAs) are common failure modes that can lead to catastrophic system failures. While manufacturing and handling processes often receive blame, design-related factors play a significant role in these failures. This paper explores the relationship between PCBA design and capacitor cracking/shorting, analyzing key design considerations…
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PCB Design Simulation: A Comprehensive Guide to Ensuring Optimal Performance
ByGrace June 2, 2025May 29, 2025
Introduction to PCB Design Simulation Printed Circuit Board (PCB) design simulation has become an indispensable tool in modern electronics development, allowing engineers to verify and optimize their designs before physical prototyping. As electronic systems grow increasingly complex with higher speeds, greater component density, and more stringent performance requirements, simulation provides a cost-effective way to identify…
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The Advantages and Disadvantagesof Blind and Buried Via PCB Stacked Via Design
ByGrace June 2, 2025May 29, 2025
Abstract This paper explores the intricate aspects of blind and buried via stacked via design in printed circuit boards (PCBs), examining both the significant benefits and notable challenges associated with this advanced interconnection technology. As electronic devices continue to shrink in size while increasing in complexity and functionality, blind and buried vias—particularly in stacked configurations—have…
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PCB Design: Should Via Holes Be Covered with Solder Mask or Left Open?
ByGrace June 2, 2025May 30, 2025
Introduction In printed circuit board (PCB) design, the treatment of via holes—whether to cover them with solder mask (tenting) or leave them open (non-tenting)—is a subject of ongoing debate among designers and engineers. This decision affects manufacturing processes, reliability, signal integrity, and cost. As PCBs continue to evolve with higher densities and more complex designs,…
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Can Vias Be Placed on Pads in PCB Design?
ByGrace June 2, 2025May 30, 2025
Introduction Printed Circuit Board (PCB) design involves numerous critical decisions that affect signal integrity, manufacturability, and reliability. One common debate among PCB designers is whether vias should be placed directly on pads (also known as via-in-pad). Traditionally, vias were kept away from pads to avoid soldering issues, but modern manufacturing techniques have made via-in-pad a…
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Why Should Power Planes Be Shrunk Relative to Ground Planes in PCB Design?
ByGrace June 2, 2025May 30, 2025
Abstract In printed circuit board (PCB) design, the power integrity and electromagnetic compatibility (EMC) are critical factors that influence the performance and reliability of electronic systems. One common design practice is to shrink (or “pull back”) the power plane relative to the ground plane, a technique known as “power plane indentation” or “20-H rule.” This…
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Understanding First-Order and Second-Order PCB in HDI Manufacturing Processes
ByGrace June 2, 2025May 30, 2025
Introduction to HDI PCB Technology High Density Interconnect (HDI) printed circuit boards represent the cutting edge of PCB technology, enabling the production of smaller, faster, and more complex electronic devices. As consumer electronics continue to demand more functionality in increasingly compact form factors, HDI technology has become essential for modern PCB manufacturing. At the heart…
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Key Components in Functional PCB Testing
ByGrace June 1, 2025May 29, 2025
Introduction Printed Circuit Boards (PCBs) are the backbone of modern electronics, found in everything from consumer gadgets to industrial machinery. Ensuring their functionality is critical, and functional PCB testing plays a pivotal role in verifying that a PCB operates as intended before deployment. This process involves checking electrical performance, signal integrity, and overall reliability. Several…
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Post-Layout PCB Checklist: Essential Verification Steps After Routing
ByGrace June 1, 2025May 29, 2025
After completing the PCB (Printed Circuit Board) layout and routing, thorough verification is crucial to ensure functionality, reliability, and manufacturability. Skipping critical checks can lead to signal integrity issues, power delivery problems, or even complete board failures. This article outlines a comprehensive post-PCB-routing checklist covering electrical, mechanical, and manufacturing considerations. 1. Design Rule Check (DRC)…
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PCB Antenna Design: Principles, Techniques, and Practical Considerations
ByGrace June 1, 2025May 29, 2025
Introduction to PCB Antennas Printed Circuit Board (PCB) antennas have become increasingly popular in modern wireless communication systems due to their compact size, low cost, and ease of integration with electronic circuits. These antennas are fabricated directly onto the PCB substrate, eliminating the need for separate antenna components and reducing assembly complexity. PCB antennas are…
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