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Three wiring skills for PCB high-speed signal circuit design
ByGrace January 8, 2025January 18, 2025
PCB board design is a compulsory course for electronic engineers, and it is not as easy as it seems to design a perfect PCB board. A perfect PCB board not only needs to have reasonable component selection and setting, but also needs to have good signal conduction performance. This article will introduce and share the…
Read More Three wiring skills for PCB high-speed signal circuit design
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How to solve the EMI problem in multi-layer PCB design?
ByGrace January 8, 2025January 18, 2025
Power bus Reasonably placing capacitors of appropriate capacity near the power pins of IC can make the jump of IC output voltage faster. However, the problem does not end there. Due to the limited frequency response characteristics of capacitors, capacitors cannot generate the harmonic power required to drive IC output cleanly over the full frequency…
Read More How to solve the EMI problem in multi-layer PCB design?
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Several misunderstandings about differential signal layout on PCB
ByGrace January 8, 2025January 18, 2025
Misunderstanding 1 It is believed that differential signals do not need a ground plane as a return path, or that differential traces provide return paths for each other. The reason for this misunderstanding is that people are confused by surface phenomena or do not have a deep enough understanding of the mechanism of high-speed signal…
Read More Several misunderstandings about differential signal layout on PCB
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PCB Etching Process and Process Control
ByGrace January 8, 2025January 18, 2025
The process of printed circuit board from light board to circuit pattern is a relatively complex physical and chemical reaction process. This article analyzes its last step – etching. At present, the typical process of printed circuit board (PCB) processing adopts “graphic electroplating method”. That is, first pre-plating a layer of lead-tin anti-corrosion layer on…
Read More PCB Etching Process and Process Control
additive pcb manufacturing | advanced assembly pcb | advanced circuit board | advanced circuits 4pcb | advanced circuits assembly | advanced circuits barebones | advanced circuits flex pcb | advanced circuits pcb | advanced circuits pcb artist | advanced circuits quote | advanced pcb manufacturing | advanced printed circuit technology | aerospace pcb assembly | aerospace pcb manufacturer | uncategories
Only after learning the basics can you start circuit design
ByGrace January 8, 2025January 18, 2025
Embedded design is a huge project. Today, let’s talk about several precautions in hardware circuit design. First, let’s understand the embedded hardware architecture. We know that the CPU is the soul of this system, and all peripheral configurations are related to it. This also highlights a feature of embedded design: hardware can be tailored. When…
Read More Only after learning the basics can you start circuit design
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High-speed PCB design series basic knowledge 62 | General Checklist inspection
ByGrace January 8, 2025January 18, 2025
The last issue explained the common DRC and correction methods in PCB design. This issue introduces what aspects are included in the general Checklist inspection. 1 Netlist comparison Confirm the report output by the netlist comparison tool to ensure that the netlist is consistent with the PCB board.The final board imports the latest schematic to…
Read More High-speed PCB design series basic knowledge 62 | General Checklist inspection
advanced assembly pcb | advanced circuit board | advanced circuits 4pcb | advanced circuits assembly | advanced circuits barebones | advanced circuits flex pcb | advanced circuits pcb | advanced circuits pcb artist | advanced circuits quote | advanced pcb manufacturing | advanced printed circuit technology | aerospace pcb assembly | uncategories
The difference between parallel and serial and the system synchronization method of parallel communication
ByGrace January 8, 2025January 18, 2025
The parallel signals and serial signals referred to in this article include the transmission (communication) method, the interface type, and the protocol characteristics of the data itself, signals, protocols, buses and interfaces. If you want to know the difference between signals, protocols, buses and interfaces, you can read the previous article: [size=1em] A brief history…
Read More The difference between parallel and serial and the system synchronization method of parallel communication
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Classification and selection of PCB materials
ByGrace January 7, 2025January 6, 2025
1.The FR-4 we often choose is not the name of a material The “FR-4” we often refer to is a code for a flame-resistant material grade. It means that the resin material must be able to extinguish itself after burning. It is not a material name, but a material grade. Therefore, there are many types…
Read More Classification and selection of PCB materials
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Why do PCBs need gold plating?
ByGrace January 7, 2025January 6, 2025
1.PCB surface treatment: Anti-oxidation, tin spraying, lead-free tin spraying, immersion gold, immersion tin, immersion silver, hard gold plating, full-board gold plating, gold finger, nickel-palladium gold OSP: low cost, good solderability, harsh storage conditions, short time, environmentally friendly process, good welding, flatness. Tin spraying: Tin spraying boards are generally multi-layer (4-46 layers) high-precision PCB samples, which…
Read More Why do PCBs need gold plating?
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Refined PCB design of low-power DC-DC power module
ByGrace January 7, 2025January 6, 2025
In electronic devices, power modules are core components that convert input DC voltage into various DC voltages required by the device. DC-DC power converters, especially those based on switching mode, are widely used due to their high efficiency, small size and light weight. However, it is not easy to design an excellent DC-DC power converter….
Read More Refined PCB design of low-power DC-DC power module
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A thorough review of the features of PCB design software. What other skills do you need to master?
ByGrace January 6, 2025January 4, 2025
There are many types of PCB design software. The main ones currently used in the market include: Cadence Allegro, Mentor EE, Mentor Pads, Altium Designer, Protel, etc. Among them, Cadence Allegro has the highest market share. 1.Features of mainstream PCB design software: (1) Functional integration: a complete design platform that combines schematic design, PCB design,…
Read More A thorough review of the features of PCB design software. What other skills do you need to master?
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Improved circuit board welding to cause false soldering
ByGrace January 4, 2025January 3, 2025
1 Surface tension The cohesive force of tin-lead solder is even greater than that of water, making the solder spherical to minimize its surface area (under the same volume, the sphere has the smallest surface area compared to other geometric shapes to meet the requirements of the lowest energy state). The effect of flux is…
Read More Improved circuit board welding to cause false soldering
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Tips for via design
ByGrace January 3, 2025January 2, 2025
Via is one of the important components of multi-layer PCB, and the cost of drilling usually accounts for 30% to 40% of the cost of PCB board manufacturing. Simply put, every hole on the PCB can be called a via. From the perspective of function, vias can be divided into two categories: one is used…
Read More Tips for via design
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Circuit board heat dissipation method
ByGrace January 2, 2025January 6, 2025
1.High heat generation devices plus heat sinks and heat conducting plates When there are a few devices on the PCB that generate a lot of heat (less than 3), a heat sink or heat pipe can be added to the heat generating device. When the temperature cannot be lowered, a heat sink with a fan…
Read More Circuit board heat dissipation method
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How to choose PCB materials for microwave amplifiers/millimeter wave amplifiers
ByGrace January 1, 2025December 30, 2024
5G represents the latest and greatest in wireless technology, and both design and manufacturing will be challenging, and of course circuit board materials will be challenging, because it will operate at many different frequencies, such as 6 GHz and below, as well as millimeter wave frequencies (typically 30 GHz and above). It will also combine…
Read More How to choose PCB materials for microwave amplifiers/millimeter wave amplifiers

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Three wiring skills for PCB high-speed signal circuit design

How to solve the EMI problem in multi-layer PCB design?

Several misunderstandings about differential signal layout on PCB

PCB Etching Process and Process Control

Only after learning the basics can you start circuit design

High-speed PCB design series basic knowledge 62 | General Checklist inspection

The difference between parallel and serial and the system synchronization method of parallel communication

Classification and selection of PCB materials

Why do PCBs need gold plating?

Refined PCB design of low-power DC-DC power module

A thorough review of the features of PCB design software. What other skills do you need to master?

Improved circuit board welding to cause false soldering

Tips for via design

Circuit board heat dissipation method

How to choose PCB materials for microwave amplifiers/millimeter wave amplifiers

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