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How Many Do You Know About PCB impedance Design?

With the development of science and technology, especially in the advancement of the materials of integrated circuits, the computing speed has been significantly improved, which has led to the development of high-density, small-volume, and single-component integrated circuits, which all lead to today’s and future printed circuit boards.  The application of high-speed digital circuits, that is, it …

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Why Do PCBs Need Impedance?

What is the significance of impedance to the PCB circuit board, and why does the PCB circuit board need to be impedance? This article first introduces what impedance and the type of impedance are, secondly introduces why the PCB circuit board needs to be impedance, and finally expounds the meaning of impedance to the PCB …

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What Are The Differences Between Wave Soldering & Reflow Soldering?

Welding is an important part of the PCB design process. Welding is to fix electronic components on the PCB. In PCBA processing, wave soldering and reflow soldering are two common welding processes, but the welding methods used in different scenarios are different. What are the differences between the two welding processes? Wave Soldering Wave soldering …

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How to Judge Whether The FPC Board is Good or Bad?

With the continuous development of science and technology, all fields have realized intelligence, so FPC circuit boards have also been widely used in all fields. With the continuous increase of FPC manufacturers, it is natural that some businesses will cheat on price and quality. Then the problem comes, how to judge the good and bad …

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Standard PCB Production Process(Three) to Avoid Scratching

Scratching is the most common and difficult problem in PCB factories. We can only control this defect at the lowest proportion by reminding ourselves to pay attention to the operation specifications at all times. How to avoid scratching during PCB manufacturing? Before we list out the 20 processes to avoid scratching, following is the last …

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Standard PCB Production Process(Two) to Avoid Scratching

Scratching is the most common and difficult problem in PCB factories. We can only control this defect at the lowest proportion by reminding ourselves to pay attention to the operation specifications at all times. How to avoid scratching during PCB manufacturing? Last article we introduce the process 1 to 10, now will will introduce the …

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Standard PCB Production Process(One) to Avoid Scratching

Scratching is the most common and difficult problem in PCB factories. We can only control this defect at the lowest proportion by reminding ourselves to pay attention to the operation specifications at all times. How to avoid scratching during PCB manufacturing? Process 1: Cutting – fillet grindingReasons for Scratching: improper operationHow to avoid(Standard Process)? Check …

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What is The Meaning of Silk Screen on PCB Board?

There are many silk screen letters on the PCB, such as R109, c113, Q105, d206, etc. What do these letters / numbers mean? The letters on the PCB board represent the abbreviation of electronic components, and numbers often follow the letters, which are also meaningful. The Letters on PCB Board PCB Alphabet Meaning Table Letter Representative …

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