Surface Mount Technology (SMT) is an assembly technology that directly mounts electronic components on a printed circuit board (PCB). Compared with traditional through-hole technology (THT), SMT has the advantages of higher assembly density, smaller volume, shorter delivery cycle and lower cost. This article will give a detailed introduction to the SMT patch process. 1.Overview of…
1.What is immersion gold? Simply put, immersion gold is a method of chemical deposition to produce a metal coating on the surface of the circuit board through a chemical oxidation-reduction reaction. 2.Why do we need immersion gold? The copper on the circuit board is mainly red copper. The copper solder joints are easily oxidized in…
Printed circuit boards (PCBs) are an indispensable part of electronic equipment, and their performance and reliability directly affect the operation of the entire system. PCB (Printed Circuit Board), Chinese name for printed circuit board, also known as printed circuit board, is an important electronic component, a support for electronic components, and a carrier for electrical…
In the EMC design of PCB, the first thing involved is the layer setting; the number of layers of a single board is composed of the number of power supply layers, the number of ground layers and the number of signal layers; in the EMC design of the product, in addition to the selection of…
PCB (Printed Circuit Board), Chinese name for printed circuit board, also known as printed circuit board, printed circuit board, is an important electronic component, a support for electronic components, and a provider of electrical connections for electronic components. Because it is made using electronic printing, it is called a “printed” circuit board. As PCB size…
In PCB design, pads are a very important concept, and PCB engineers must be familiar with them. However, although they are familiar with them, many engineers have only a limited understanding of pads. Today, Circuit Bacteria will take you to understand the types of pads and the design standards of pads in PCB design.Pads, the…
Electromagnetic compatibility (EMC) is an emerging comprehensive discipline that mainly studies electromagnetic interference and anti-interference problems. Electromagnetic compatibility means that electronic equipment or systems do not reduce performance indicators due to electromagnetic interference under the specified electromagnetic environment level, and the electromagnetic radiation generated by them is not greater than the specified limit level, does…
Today, the editor will bring you relevant reports on PCB in this article. By reading this article, you can have a clear understanding of it. The main contents are as follows. 1.PCB PCB board is the abbreviation of Printed Circuit Board, and its Chinese name is circuit board “target=”_blank”>Printed circuit board, also known as printed…
PCB has many functions in electronic equipment, such as providing certain electrical functions. In order to enhance everyone’s understanding of PCB, this article will introduce the basic situation of PCB and the precautions for successful PCB processing. If you are interested in PCB or the content of this article, you may wish to continue reading…
In some people’s opinion, 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 design rules,…
1.PCB printed circuit board wiring principles The principles are as follows: ① The wires used for input and output terminals should be avoided to be adjacent and parallel as much as possible. It is best to add a ground wire between the wires to avoid feedback coupling. ② The minimum width of the printed circuit…
AC/DC power supplies, also known as AC/DC converters, are an important component of many electronic applications, including consumer electronics, industrial, robotics, medical and military applications. The current trend towards lower power supply voltages (especially for highly integrated digital devices), smaller footprints, lighter weight and higher efficiency requires precise design of power supply circuits starting with…
In the design and manufacture of electronic equipment, printed circuit boards (PCBs) play a vital role. The resistors on PCBs are one of the indispensable components in the circuit. The main function of resistors is to limit the flow of current and convert electrical energy into heat energy, thereby achieving control and regulation of the…
Anyone who has worked on PCB knows that there are many places in PCB design that need to consider safety spacing. Here, they are temporarily classified into two categories: one is electrical safety spacing, and the other is non-electrical safety spacing. Electrical safety spacing 1.Spacing between wires In terms of the processing capabilities of mainstream…
In terms of the current status and trends of international electronic circuits, the development prospects of PCB are very broad, but we will inevitably encounter some mistakes during the design process. This article will take you to see the development prospects of PCB and several common mistakes. Will you make these mistakes? Knowing these mistakes…
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