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Why do electrolytic capacitors explode? A word to understand!
1. Electrolytic capacitors Electrolytic capacitors are capacitors formed by the oxidation layer on the electrode through the action of the electrolyte as an insulating layer, which usually has a large capacity. The electrolyte is a liquid, jelly-like material rich in ions, and most electrolytic ...Read more -
Detailed elimination of EMC three weapons: capacitors/inductors/magnetic beads
Filter capacitors, common-mode inductors, and magnetic beads are common figures in EMC design circuits, and are also three powerful tools to eliminate electromagnetic interference. For the role of these three in the circuit, I believe there are many engineers do not understand, the article from t...Read more -
What is a vehicle scale MCU? One-click literacy
Control class chip introduction The control chip mainly refers to the MCU (Microcontroller Unit), that is, the microcontroller, also known as the single chip, is to reduce the CPU frequency and specifications appropriately, and the memory, timer, A/D conversion, clock, I/O port and serial communi...Read more -
Can single-chip microcomputer drive relay and solenoid valve directly?
Although this problem is not worth mentioning for the electronic old white, but for the beginner microcontroller friends, there are too many people who ask this question. Since I am a beginner, I also need to briefly introduce what a relay is. A relay is a switch, and this switch is controlled b...Read more -
SMT+DIP common welding defects (2023 Essence), you deserve to have!
SMT welding causes 1. PCB pad design defects In the design process of some PCB, because the space is relatively small, the hole can only be played on the pad, but the solder paste has fluidity, which may penetrate into the hole, resulting in the abs...Read more -
Connected wrong power supply positive and negative circuit smoke, how to avoid this embarrassment?
Many projects of hardware engineers are completed on the hole board, but there is the phenomenon of accidentally connecting the positive and negative terminals of the power supply, which leads to many electronic components burning, and even the whole board is destroyed, and it has to be welded ag...Read more -
X-Ray detection equipment detection principle and application field
X-Ray detection is a kind of detection technology, can be used to detect the internal structure and shape of objects, is a very useful detection tool. The important application fields of X-Ray testing equipment include: electronic manufacturing industry, automobile manufacturing industry, aerospa...Read more -
Raise knowledge! How does the chip make it? Today I finally understand
From a professional perspective, the production process of a chip is extremely complicated and tedious. However, from the complete industrial chain of IC, it is mainly divided into four parts: IC design → IC manufacturing → packaging → testing. Chip production process: 1. Chip design The chip is...Read more -
Quality testing of electronic products Reliability screening of semiconductor devices
With the development of electronic technology, the application number of electronic components in equipment is increasing gradually, and the reliability of electronic components is also put forward higher and higher requirements. Electronic components are the basis of electronic equipment and the...Read more -
How are chips made? Process process step description
From the development history of chip, the development direction of chip is high speed, high frequency, low power consumption. Chip manufacturing process mainly includes chip design, chip manufacturing, packaging manufacturing, cost testing and other links, among which the chip manufacturing proce...Read more -
Generally speaking
Generally speaking, it is difficult to avoid a small amount of failure in the development, production and use of semiconductor devices. With the continuous improvement of product quality requirements, failure analysis is becoming more and more important. By analyzing spe...Read more -
Detailed analysis of SMT patch and THT through hole plug-in PCBA three anti paint coating process and key technologies!
As the size of PCBA components becomes smaller and smaller, the density becomes higher and higher; The supporting height between devices and devices (the spacing between PCB and ground clearance) is also getting smaller and smaller, and the influence of environmental factors on PCBA is also incre...Read more