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Hello everyone, this is some information about the graduation project I did for others in college. I hope it will be helpful to you!
If you need complete information such as the source file of the ...[Details]
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A USB hub not only provides data and power to downstream USB ports, but also allows the host to manage the power of devices connected to downstream ports through software. Power distribution and ma...[Details]
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The author majored in power electronics and electric transmission for his master's degree. After graduating with a master's degree, he went to work for a period of time at the Shanghai Space Powe...[Details]
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Analysis of shielding technology in electromagnetic compatibility (EMC)
The shielding of electric field, magnetic field and electromagnetic field is actually different!
The shielding problem o...[Details]
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Outdoor LED billboards have the advantages of good stability, low consumption, and wide radiation range. They are the most suitable products for outdoor information dissemination. Basically, comm...[Details]
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With the widespread application of non-isolated photovoltaic grid-connected inverters, the DC injection problem has also received increasing attention. IEEE Std 929-2000 stipulates that DC injectio...[Details]
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Wanda Group launches digitally controlled 3KW communication power solution based on ST products
On November 15, 2022, WPG Holdings, a leading semiconductor component distributor dedi...[Details]
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Current flow in electronic circuits often must be limited. For example, in a USB port, excessive current must be prevented in order to provide reliable protection for the circuit. Likewise, in a powe...[Details]
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Last year, the "10 Cities, 10,000 Lights" demonstration project did not bring fruitful results as expected. Instead, the shortcomings of this high-power LED lighting were fully exposed: the reliabi...[Details]
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Many medium voltage LED applications are powered by offline AC-DC power supplies, batteries, or electronic transformers with low voltage AC output. But some of these power supplies, such as lead-acid ...[Details]
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In the fingerprint automatic identification system, embedded systems have been more and more widely used due to their advantages such as low power consumption, small device size and high security. ...[Details]
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introduction As the power supply equipment for all electronic products, the power supply must not only meet the requirements of the power supply products, but also have its own protection measures...[Details]
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Photodiodes convert a fundamental physical phenomenon (light) into electrical form (current). Design engineers systematically convert the photodetector current into a usable voltage, making the pro...[Details]
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A standard way to configure the backlight is to use two discrete devices: a 100V MOSFET in a DPAK package, and a 100V Schottky diode, also in a DPAK package. The high leakage current of the Schottky ...[Details]
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As the speed of electronic equipment continues to increase, the interconnection system design of connecting devices, circuit boards, integrated circuits and devices has become increasingly critical...[Details]