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When the megohmmeter is working, if people feel numbness when touching the case, it means that the meter has leakage. Possible factors: (1) The loop wire or spring lead touches the shell. (2) The us...[Details]
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For a company like Apple, making money may be too easy. It doesn't even have to do anything itself and can just wait for others to give it money. For example, the default engine of the iPhone alone e...[Details]
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The LTM4620 is a complete dual-channel 13A output switch mode DC/DC power supply. The switch controller, power FETs, inductor and all supporting components are built into the package. The LTM4620 c...[Details]
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Acoustic emission and microvibration are both natural phenomena that occur at any time in nature. Although it is impossible to verify when people first heard acoustic emission, fracture processes ...[Details]
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1. Introduction
Thyristor is also called silicon controlled rectifier (SCR). Since its introduction in the 1950s, it has developed into a large family. Its main members include unidirectio...[Details]
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The Sino-US trade war has not yet been resolved, and the dispute between Japan and South Korea has intensified, which has greatly increased the uncertainty of the semiconductor supply chain. Accordin...[Details]
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Scientists at Harvard University in the United States wrote in the latest issue of "Optics" magazine that they have developed the first laser integrated on a lithium niobate chip, paving the way for ...[Details]
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According to foreign media reports, Tesla recently applied for another battery patent. The new battery will not be equipped with a tabless electrode. The company's CEO Elon Musk said: "This patent i...[Details]
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With environmental regulations becoming increasingly stringent and electric vehicles on the rise, many people wonder why automakers continue to develop mild hybrid technology based on internal combus...[Details]
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How to use a multimeter to test capacitors? Capacitors are one of the most commonly used electronic components. The appearance and circuit symbol of a capacitor are shown in Figure 10. The universal ...[Details]
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Finisar is one of the world's most famous suppliers of optical communication devices. Due to China's good economic development and talent advantages, Finisar has listed its subsidiary in Shanghai as ...[Details]
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Multimeter voltage range When measuring AC voltage, the multimeter should be set to the ACV (~V) position, and when measuring DC voltage, it should be set to the DCV (-V) position. If the vol...[Details]
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When designing circuits, designers often regard operational amplifiers as ideal. Designing according to ideal operational amplifiers will not introduce errors in low-frequency and low-precision sit...[Details]
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The key requirements for buck regulators are usually size and efficiency. With printed circuit board area at a premium, no designer wants to allocate extra space to power solutions. In addition, as m...[Details]
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summary
The fifth article in this series explains the importance of auxiliary power in the Analog Devices Battery Backup Unit (BBU) reference design. Auxiliary power consists of a ...[Details]
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