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Effective countermeasures for PCB process film deformation
ByGrace January 6, 2025January 4, 2025
In the PCB copying process, the temperature and humidity control fails or the temperature of the exposure machine rises too high, sometimes causing the film to deform. If it is not improved, the quality and performance of the final PCB copy board will be affected, but direct abandonment will cause cost losses. Then mastering the…
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Four common methods for analyzing circuits
ByGrace January 6, 2025January 4, 2025
Electronic circuit diagrams are used to represent the composition, structure, nominal value of components and other information of actual electronic circuits. The actual circuit situation can be known through the circuit diagram. In this way, when we analyze the circuit, we don’t have to turn the physical object over and over again, but just take…
Read More Four common methods for analyzing circuits
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Do you really know how to choose magnetic beads for PCB design?
ByGrace January 6, 2025January 4, 2025
Whether to use SMD magnetic beads or SMD inductors in PCB design depends mainly on the application scenario. For example, SMD inductors are needed in resonant circuits; when eliminating unwanted EMI noise, using SMD magnetic beads is the best choice. 1.The unit of magnetic beads is ohms, not hunters, so pay special attention to this….
Read More Do you really know how to choose magnetic beads for PCB design?
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What is a differential signal?
ByGrace January 4, 2025January 3, 2025
Differential transmission is a signal transmission technology. Different from the traditional method of one signal line and one ground line, differential transmission transmits signals on both lines. The amplitudes of the two signals are equal, the phases are 180 degrees apart, and the polarities are opposite. The signal transmitted on these two lines is a…
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Three special PCB wiring sharing
ByGrace January 4, 2025January 3, 2025
Introducing three special PCB routing techniques. The routing of PCB LAYOUT will be explained from three aspects: right-angle routing, differential routing, and serpentine routing: 1.Right-angle routing (three aspects) The impact of right-angle routing on signals is mainly reflected in three aspects: first, the corner can be equivalent to the capacitive load on the transmission line,…
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Introduction to copper clad laminates in PCB boards
ByGrace January 4, 2025January 3, 2025
In electronic devices, from small electronic watches and calculators to large computers, general electronic equipment, and military weapon systems, as long as there are electronic components, PCBs are used for interconnection between them. Printed Circuit Board (PCB), commonly known as PCB, is one of the important components of electronic products. The main function of PCB…
Read More Introduction to copper clad laminates in PCB boards
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Common optimization methods for high-speed signals in PCB design
ByGrace January 4, 2025January 3, 2025
Take LVDS signal as an example to explain the common optimization methods for high-speed signals in PCB design: LVDS (Low Voltage Differential Signaling) is a low-swing differential signal technology that enables signals to be transmitted at a rate of several hundred Mbps on differential PCB line pairs or balanced cables. Its low voltage amplitude and…
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7 good habits of PCB layout engineers, how many do you have
ByGrace January 4, 2025January 3, 2025
In the eyes of some people, the work of PCB layout engineers is a bit boring. Every day, they have to deal with thousands of traces on the board, various packages, and repeat the work of pulling wires… In fact, it is not as simple as it seems. Designers have to make trade-offs between various…
Read More 7 good habits of PCB layout engineers, how many do you have
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Copper plating process in circuit board production
ByGrace January 4, 2025January 3, 2025
Perhaps we will wonder, the substrate of the circuit board has copper foil only on two sides, and the middle is an insulating layer, so do they not need to be connected between the two sides or multiple layers of the circuit board? How can the lines on both sides be connected together to allow…
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Why do circuit boards need copper cladding
ByGrace January 4, 2025January 3, 2025
Generally, there are several reasons for copper cladding. (1).EMC. For large-area ground or power copper cladding, it will play a shielding role. Some special grounds, such as PGND, play a protective role. (2).PCB process requirements. Generally, in order to ensure the electroplating effect or lamination deformation, copper is laid on PCB layers with less wiring….
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About the difference between various surface treatment processes of circuit boards
ByGrace January 4, 2025January 3, 2025
The main factor that determines the quality and positioning of a board is the surface treatment process. For example, OSP tin spraying, gold plating, and immersion gold. Relatively speaking, immersion gold is for high-end boards. Due to its good quality, immersion gold is also relatively costly. Therefore, many customers choose the most commonly used tin…
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Ten Rules for High-Frequency Circuit Design and Wiring Skills
ByGrace January 3, 2025December 31, 2024
[First Trick] Multilayer Board Wiring High-frequency circuits are often highly integrated and have high wiring density. Using multilayer boards is not only necessary for wiring, but also an effective means to reduce interference. In the PCB Layout stage, a reasonable selection of the size of a printed circuit board with a certain number of layers…
Read More Ten Rules for High-Frequency Circuit Design and Wiring Skills
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Basic concepts that need to be understood in high-speed PCB design
ByGrace January 3, 2025January 2, 2025
1.What are electromagnetic interference (EMI) and electromagnetic compatibility (EMC)? (Electromagnetic Interference), there are two types of interference: conducted interference and radiated interference. Conducted interference refers to the coupling (interference) of a signal on an electrical network to another electrical network through a conductive medium. Radiated interference refers to the coupling (interference) of an interference source…
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The threat of static electricity is everywhere, and the electrostatic protection of electronic components is very important
ByGrace January 3, 2025January 2, 2025
The threat of static electricity is everywhere, and the electrostatic protection of electronic components is very important During the SMT processing, electrostatic discharge can cause damage or failure to electronic components. With the increase in IC integration and the gradual reduction of components, the impact of static electricity has become more serious. According to statistics,…
Read More The threat of static electricity is everywhere, and the electrostatic protection of electronic components is very important
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Deposition and etching techniques to reduce resistance of semiconductor metal lines
ByGrace January 3, 2025January 2, 2025
01 Introduction The resistivity of copper is determined by its crystal structure, void volume, grain boundaries and material interface mismatch, and increases significantly with size reduction. Typically, the manufacturing process of copper wires is to etch trench patterns in low-dielectric silicon dioxide using a trench etching process, and then fill the trenches with copper through…
Read More Deposition and etching techniques to reduce resistance of semiconductor metal lines

advanced circuits quote

Effective countermeasures for PCB process film deformation

Four common methods for analyzing circuits

Do you really know how to choose magnetic beads for PCB design?

What is a differential signal?

Three special PCB wiring sharing

Introduction to copper clad laminates in PCB boards

Common optimization methods for high-speed signals in PCB design

7 good habits of PCB layout engineers, how many do you have

Copper plating process in circuit board production

Why do circuit boards need copper cladding

About the difference between various surface treatment processes of circuit boards

Ten Rules for High-Frequency Circuit Design and Wiring Skills

Basic concepts that need to be understood in high-speed PCB design

The threat of static electricity is everywhere, and the electrostatic protection of electronic components is very important

Deposition and etching techniques to reduce resistance of semiconductor metal lines

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