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Abstract: A simple circuit employs a small transformer and latched comparator to sense the state of a digital line without drawing power from the line.
Electronic systems must often isolate their ...[Details]
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Before using an insulation resistance meter to measure insulation resistance, the following checks should be done: (1) Check whether the equipment under test has been cut off and discharge the short ...[Details]
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On March 15-16, the 19th China Semiconductor Packaging and Testing Technology and Market Annual Conference (CSPT 2021) was officially held. With the theme of "Innovation-led, Collaborative and Win-wi...[Details]
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As major autonomous driving companies are frantically raising funds and burning money, the autonomous driving industry has become a battleground for both large companies and start-ups. Large companie...[Details]
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Recently, Samsung officially pushed the official version of OneUI 4.0 system to the Galaxy S21 series of mobile phones. The underlying system is based on Android 12. The Beta of OneUI 4.0 sta...[Details]
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Multiple sources of information indicate that Meizu has ushered in the biggest change since its establishment. Today, the company's industrial and commercial change information showed that on May 2, ...[Details]
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Multimeters are used to detect electrical faults. Fluke Multimeters (USA: http://www.szkinghood.com.cn/ ) are trusted for their outstanding performance. The time when the maximum and minimum values ...[Details]
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Oregon State University researchers have used carbon "nanotubes" to greatly increase the speed of biosensors, a technology that could one day allow doctors to complete routine laboratory tests in m...[Details]
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introduction Digital video transmission is a typical application of the next generation of the Internet . Currently, video applications on the Internet are developing in the direction of high quality...[Details]
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When using the most common measuring instrument in electronic product design, the importance of the correct connection between the oscilloscope and the signal is often underestimated. There is no dou...[Details]
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On May 19, Zhongying Electronics stated on its investor interaction platform that 90 nanometers are produced using 12-inch wafers, and the lithium battery management chip is moving towards 90 nanomet...[Details]
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From scratch, from shallow to deep, my country's manned deep-sea diving business has continuously made new breakthroughs. On November 10, 2020, the "Struggler" manned submersible independently develo...[Details]
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Network News: With the development of computer technology, communication technology, power system protection and automatic control technology, the level of automated operation in the power industry...[Details]
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The refrigerator is indispensable in the daily life of modern families. It has the important function of storing food, and almost every family has a refrigerator. During the Chinese New Year, because...[Details]
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A variable frequency drive (VFD) is an electronic device used to control the speed of a motor. It achieves speed regulation of the motor by changing the frequency and voltage of the motor power sup...[Details]
PCB Design
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