Electronic components have a lifespan. In addition to its own structure and properties, it is also closely related to its use environment and the role it plays in the circuit. Electronic components in the circuit are divided into strong and weak. The ranking of electronic component resistance is as follows: Resistors, inductors, capacitors, semiconductor devices…
In some indicators, China’s PCB industry standards are several times or even dozens of times higher than those of Europe, America and Japan, but the results are not good. Why is this happening? This is a question worth serious consideration. Reform and opening up have led to China’s rapid economic development in the past 30…
With the development of modern wireless communication systems, mobile communication, radar, satellite communication and other communication systems have higher requirements for the switching speed, power capacity and integration of the transceiver switch. Therefore, it is of great significance to study bus technology and develop bus modules that meet the special requirements of the military. We…
Circuit design not only has many techniques, but also many misunderstandings. This article will introduce ten misunderstandings in circuit stability design. Misunderstanding 1: Product failure = unreliable product When a product has a problem, it is sometimes not a problem with R&D. There was a case where equipment for medium-developed regions in China was exported…
Talk about the reliability principles of circuit design and PCB wiring that you don’t know At present, electronic equipment used in various electronic equipment and systems still uses printed circuit boards as the main assembly method. Practice has proved that even if the circuit schematic is designed correctly, improper printed circuit board design will also…
Introduction Today’s electronic products are no longer like the TVs and refrigerators of the 1970s, which consumers only upgraded every ten years. Now almost every member of every family is a consumer of electronic products, and as technological development continues to bring a variety of affordable new features to smartphones, tablets, cars and TVs, people…
Six things to consider when transferring PCB schematics to layout. All examples mentioned were developed using the Multisim design environment, but the same concepts apply when using different EDA tools! Initial Schematic Transfer The process of transferring the schematic to the layout environment through the netlist file also transfers the device information, netlist, layout information…
FPC is also called flexible circuit boards. The PCBA assembly and welding process of FPC is very different from that of rigid circuit boards. Because the FPC board is not hard enough and is relatively soft, if a special carrier is not used, it cannot be fixed and transmitted, and it is also impossible to…
PCB wiring is very important in the entire PCB design. How to achieve fast and efficient wiring and make your PCB wiring look high-end is worth studying and learning. 7 aspects that need to be paid attention to in PCB wiring are sorted out. Come and check for omissions! 1.Common ground processing of digital circuits…
PCB multilayer boards are a special type of printed circuit board. Their “location” is usually quite special. For example, there are PCB multilayer boards in circuit boards. This type of multilayer board can help the machine conduct various circuits. Not only that, it can also play an insulating role, so that electricity will not collide…
There are many places in PCB design where safety spacing needs to be considered. Here, they are temporarily classified into two categories: one is electrical-related safety spacing, and the other is non-electrical-related safety spacing. 1.Electrical-related safety spacing: Spacing between wires According to the processing capabilities of mainstream PCB manufacturers, the spacing between wires must not…
6 major PCB design skills, switching power supply design must be used! In any switching power supply design, the physical design of the PCB board is the last link. If the design method is not appropriate, the PCB may radiate too much electromagnetic interference, causing unstable power supply operation. The following is an analysis of…
PCB wiring is very important in the entire PCB design. How to achieve fast and efficient wiring and make your PCB wiring look tall and grand is worth studying. 7 aspects that need to be paid attention to in PCB wiring are sorted out. Come and check for omissions! 1.Common ground processing of digital circuits…
Improve the level of PCB wiring to make your PCB design more efficient PCB wiring is very important in the entire PCB design. How to achieve fast and efficient wiring and make your PCB wiring look tall and grand is worth studying. 7 aspects that need to be paid attention to in PCB wiring are…
I. Introduction Switching power supply is a voltage conversion circuit, the main working content is boost and buck, widely used in modern products. Because the switching transistor always works in the “on” and “off” states, it is called a switching power supply. Switching power supply is essentially an oscillation circuit. This way of converting electrical…
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