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Abstract: This paper proposes a multifunctional AC voltage-stabilized power supply controlled by a single-chip microcomputer, discusses its working principle, and gives the software and hardware ...[Details]
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Speed regulation method of wound-rotor asynchronous motor
The regulation of wound-rotor asynchronous motors is a kind of switch circuit control, which can change the running speed of the mot...[Details]
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Using a single-chip microcomputer (or single-board computer) to play music is probably one of the issues that radio enthusiasts are interested in. This article starts from the basic sound generatio...[Details]
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According to reports, Micron Technology released its third quarter financial report for fiscal year 2021 today. The report shows that Micron Technology's revenue in the third quarter was US$7.422 bil...[Details]
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Smartphone companies such as Samsung and Huawei are beginning to enter the era of second-generation foldable phones, while Apple is still developing its first foldable iPhone. There have been a num...[Details]
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In embedded systems, in order to realize offline automatic operation of programs, programs are often solidified in electrically erasable Flash memories. To realize the offline operation of an embedded...[Details]
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At present, the main batteries used in pure electric vehicles are ternary lithium batteries, and some models use lithium iron phosphate batteries. Both types of batteries are liquid batteries, so the...[Details]
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With the rapid development of the information industry, the continuous improvement of communication, electronic and computer technologies, the use of communication technology to expand the application...[Details]
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Time Domain Analysis (TDA) is a common method for evaluating transmission lines using a TDR (Time Domain Reflectometer) oscilloscope. At the same time, TDR measurements based on vector network analyz...[Details]
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It has a built-in PLL circuit for AM lock detection and output drive circuit. The main function of NE567 is to drive the load (usually LED) when the frequency in its detection band is at the inpu...[Details]
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We have learned most of the basic syntax in the previous section. The syntax of the various basic statements to be learned below can be said to be the soul of the program. In the examples in the pr...[Details]
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1 Introduction
Modern communication equipment and large computer network systems have very high requirements for the reliability of power supply systems. At present, most switching power suppl...[Details]
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Friends who have worked on products all have experienced this: a design may seem simple, and the hardware design and code writing can be completed quickly, but there are more or less unexpected events...[Details]
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Not long ago, ZTE officially released the Axon 30 under-screen camera phone, which is also the world's first 400PPI under-screen camera phone and the world's first 120Hz high-refresh under-scr...[Details]
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1-5. Single-excitation transformer switching power supply The biggest advantage of the transformer switching power supply is that the transformer can output multiple sets of voltages of different val...[Details]