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1. Determine whether the circuit or device is energized The digital AC voltage range is very sensitive, and it can display even a small induced voltage around. Based on this feature, it can be used a...[Details]
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Abstract : This paper describes the fabrication and application of a mobile chamber (M-Chamber) for characterization of high power measurements on a laboratory bench, such as short circuit measuremen...[Details]
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The advantage of DMA is that it does not require CPU intervention when transmitting data, which can greatly improve the CPU's work efficiency. DMA is very important in large-capacity data transmiss...[Details]
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DLNZ-S Intelligent Battery Internal Resistance Tester
Battery internal resistance tester, intelligent battery internal resistance tester, internal resistance tester
The battery internal resistance ...[Details]
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On March 12, the People's Government of Gongqingcheng City, Jiangxi Province and Jiangxi Shenghong Electronic Technology Co., Ltd. held a signing ceremony for the production project of precision part...[Details]
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The delay in the release of iPhone 12 has concerned many people. According to reports, the latest news says that Apple has decided to launch the iPhone 12 series models in October. In term...[Details]
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At present, some domestic enterprises have low production efficiency and economic benefits. Compared with some developed countries, they generally have problems such as high consumption, high cost ...[Details]
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Siemens S7-200SMART provides a variety of rich functional instructions. Reasonable and clever use of different functional instructions can achieve twice the result with half the effort, and at the ...[Details]
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Recently, industry research organization Bloomberg New Energy Finance (BNEF) released a 2019 global lithium-ion battery pack price survey report showing that the average price of global lithium-ion ...[Details]
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The full-bridge structure plays a very wide role in circuit design. This article introduces an isolated power supply design based on full-bridge DC-DC . The half-bridge IGBT board mentioned in th...[Details]
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1. Introduction
As an important branch of digital signal processing, array signal processing is widely used in many fields such as radar, sonar, communication, seismic exploration and medical ...[Details]
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首先来介绍几个很简单的基本电学公式,希望让没有电子方面背景的读者们能对几个物理现象有点概念.
电压(V) = 电流(I) x 电阻(R)
电荷量(Q) = 电流(I) x 时间(T)
功率(P) = V x I =
能量(W) = P x T = Q x V
任何物体都有阻抗,在阻抗两端加上一电位差则会产生电荷流过该阻抗,阻抗越大则单位时间内(一秒)流过的电荷量...[Details]
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The hardware platform of the wireless printing module is built on the ARM chip AT91RM9200, and the software platform is built on the Android operating system. By calling the CUPS of the Linux ker...[Details]
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Without a doubt, the development of high-power LEDs is one of the most significant and influential innovations to hit the lighting industry in recent years. High-power or high-brightness LEDs (loosel...[Details]
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Recently, the geotechnical survey project of the Hebei Chicheng Gravity Energy Storage Pilot Demonstration Project undertaken by the 517th Team of the Tianjin North China Geological Survey Bureau was ...[Details]