Author: Grace

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PCB design experience
ByGrace December 2, 2024November 29, 2024
When it comes to PCB boards, many friends will think of it everywhere around us, from all household appliances, various accessories in computers, to various digital products. Almost all electronic products will use PCB boards, so what exactly is a PCB board? PCB board is Printed Circuit Block, that is, a printed circuit board for…
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Aluminum substrate PCB production specifications and design rules
ByGrace December 2, 2024November 29, 2024
The main technical requirements are: Size requirements, including board size and deviation, thickness and deviation, verticality and warpage; appearance, including requirements for cracks, scratches, burrs and delamination, aluminum oxide film, etc.; performance, including peel strength, surface resistivity, minimum breakdown voltage, dielectric constant, flammability and thermal resistance. Special testing methods for aluminum-based copper-clad laminates: First, the…
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Design a perfect PCB, pay attention to these details
ByGrace December 2, 2024November 29, 2024
Layout 10 rules for component layout: Wiring (1) Wiring priority Key signal line priority: key signals such as analog small signals, high-speed signals, clock signals and synchronization signals should be routed first Density priority principle: start routing from the device with the most complex connection relationship on the single board. Start routing from the area…
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Popular PCB Design Software
ByGrace December 2, 2024November 29, 2024
As mentioned earlier, PCB design is an extremely important process and is probably the most critical part of an electronics engineer’s job. To create a PCB layout design, you need a tried-and-true PCB design software to help you lay out your circuits. PCB design software generates the mechanical and wiring connection structures of the PCB…
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Double-layer PCB board – word explanation
ByGrace December 2, 2024November 29, 2024
PCB (Printed Circuit Board), Chinese name is printed circuit board, also known as printed circuit board, is an important electronic component, the support of electronic components, and the carrier of electrical connection of electronic components. Because it is made by electronic printing, it is called a “printed” circuit board. A double-layer PCB board is a…
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12 questions about PCB impedance design, easily help you understand impedance!
ByGrace December 2, 2024November 29, 2024
Impedance, engineers have all come into contact with it, but few engineers can explain it clearly. Impedance seems simple, but it is actually difficult to express. Let’s use a quick question and answer method to help you understand impedance easily! 01 Q: What is impedance? A: In a circuit with resistance, inductance and capacitance, the…
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Four key points of esd protection circuit and pcb design
ByGrace November 30, 2024November 27, 2024
1.What is ESD? ESD stands for electrostatic discharge. Many materials can conduct electricity and accumulate charge. ESD occurs due to triboelectric charging (friction between materials) or electrostatic induction. Whenever this happens, an object develops a fixed charge (static electricity) on its surface. When this object is placed too close to another charged object or material,…
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What shortcuts can be taken in PCB design? You must read these experiences
ByGrace November 30, 2024November 27, 2024
In design, layout is an important link. The quality of layout results will directly affect the effect of wiring. Therefore, it can be considered that reasonable layout is the first step to successful PCB design. Especially pre-layout, it is a process of thinking about the entire circuit board, signal flow, heat dissipation, structure and other…
Read More What shortcuts can be taken in PCB design? You must read these experiences
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PCB double board wiring principles
ByGrace November 30, 2024November 27, 2024
PCB board is an important electronic component, and it is the mother body of all electronic components. It has become more and more complex since the beginning of last century. From single layer to double layer, four layers, and multiple layers, the design is also difficult. Increasing. Because both sides of the double-layer board have…
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Hole metallization of FPC and copper foil surface cleaning process
ByGrace November 30, 2024November 28, 2024
The hole metallization of the flexible printed board is substantially the same as the hole metal process of the rigid printed board. In recent years, there has been a substitution electroless plating process using a direct electroplating process that forms a carbon conductive layer technology. Hole metallization of flexible printed boards has also introduced this…
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Basic principles of PCB layout
ByGrace November 30, 2024November 28, 2024
PCB layout check 1) Whether the size of the circuit board meets the processing size required by the product drawing. 2) Whether the layout of the components is balanced, neatly arranged, and well arranged. 3) Whether there are conflicts at all levels. For example, components, frames and silk screens should be reasonable. 4) Common components…
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Improvement method of hole/permeation problem when using PCB dry
ByGrace November 30, 2024November 27, 2024
Dry film masking holes appear broken Many customers believe that after the occurrence of broken holes, the film temperature and pressure should be increased to enhance the bonding force. In fact, this view is incorrect. Because the temperature and pressure are too high, the solvent of the resist is excessively volatilized and dried. The film…
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Why should the PCB board “paste gold”
ByGrace November 30, 2024November 27, 2024
1 PCB board surface treatment Anti-oxidation, spray tin, lead-free spray tin, immersion gold, Shen tin, Shen silver, hard gold plating, the whole board gold-plated, Goldfinger, nickel palladium Gold OSP: the cost of the end, good solderability, storage conditions harsh, time Short, environmentally friendly technology, welding is good, smooth. Spray tin: spray tin plate is generally…
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How to do the RF work well
ByGrace November 30, 2024November 27, 2024
A RF product engineer should have what knowledge, how to do the RF product work well. There is a dozens of discussion stickers on this issue, it seems this is a common problem. So how can the RF products work well? Can say that no one would say that this or that way, we can…
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How to design a pcb or other circuit board
ByGrace November 30, 2024November 28, 2024
In the world of electronics, PCBs or circuit boards are the most integral part of any electronic device. They are often overlooked as they are hidden underneath the housing of the electronic device, but they are really the backbone of any device, electronic gadget, and device you own. A PCB (Printed Circuit Board) houses all…
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