1. DC superposition characteristics of chip ferrite beads
Chip ferrite beads are an inductor that uses ferrite. Therefore, when a large current passes through, special attention needs to be paid to pe...
"Introduction to Electromagnetic Compatibility" comprehensively and systematically describes the basic principles and design methods of electromagnetic compatibility. The book is divided into two part...
Humans are full of wisdom, so we invented devices that can provide us with light. In cities, towns and villages all over the world, people use the lighting equipment they created to illuminate dark pl...
Did you ever think that integrated digital signal processors (DSPs) in audio amplifiers were only used for digital filters, equalization, or audio mixing? The reality is that integrated DSPs in mod...[Details]
With the continuous updating of flat panel display technology, large-scale LED display systems use dot matrix modules or pixel units composed of light-emitting diodes to form large-area display scre...[Details]
According to national standards, power loads are divided into level one, level two, and level three loads according to their importance and the extent of political and economic losses or impacts caus...[Details]
Software reliability testing is a hot topic in the current software technology field. Software reliability has an increasingly greater impact on the reliability of the entire system, especially for av...[Details]
Waveforms and FAQs Triangle wave Square Wave Through the waveform, we can directly see the amplitude and period. The period of the triangle wave and the square wave is a little different. After ...[Details]
According to reports on the morning of March 21, Beijing time, Tesla CEO Elon Musk announced nearly two years ago that Tesla would stop installing radar sensors on its cars. Data shows a subsequent i...[Details]
AMD officially announced the acquisition of Intel in an all-stock transaction worth $35 billion. The long-rumored deal finally came true. If the previously announced acquisitions are successful, ther...[Details]
The life of an LED is inversely proportional to the temperature of its PN junction. In some high-power LED lamps with limited space, reducing the temperature rise of the LED cannot be achieved by...[Details]
The magnetic float level gauge is suitable for measuring the liquid level or interface in open or closed pressure vessels. It uses a magnetic float as a sensing element and reflects the measured liqu...[Details]
Guo Jianbo, Chairman (President) and Party Secretary of China Electric Power Research Institute Co., Ltd.
Chairman Kou Wei's report at the 2019 mid-year work conference of State Grid Corporati...[Details]
Rated capacity refers to the maximum output power of the UPS (the product of voltage V and current A).
Usually, the UPS power supplies sold on the market are marked with "W" (watt) for smaller...[Details]
If the filament of the electron tube is powered by AC, when the leakage current between the cathode and the filament is large, it is easy to be modulated by 50Hz AC, which will produce hum interfer...[Details]
1. Introduction The reason why a team is called a team is that it means that multiple people work together. What is needed is humility and modesty, and never speak biasedly. You must also learn to ...[Details]
1. The oscilloscope must be calibrated and compensated before use. Calibration is mainly to optimize the current measurement value and not be affected by the external temperature environment. The ca...[Details]
As the problem of greenhouse gas emissions from the earth becomes increasingly serious and approaches the critical point of the earth's self-regulation, countries have introduced relevant policies ...[Details]
Microcontroller MCU
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