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1 Introduction
In the development of electronic ballasts, electronic energy-saving lamps, inductive ballasts and inductive energy-saving lamps, the calculation problem of ballast inductance an...[Details]
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On December 17, at the first Dishui Lake China RISC-V Industry Forum, Yuan Yongsheng, director and deputy general manager of Shenzhen APTCHIP Microelectronics Co., Ltd. (APTCHIP), introduced the comp...[Details]
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Oops, this will be a worldwide disaster "Yesterday, Wuhan reported more than 160 confirmed cases." An engineer from Hubei who was preparing to return to his hometown early to celebrate the New Year s...[Details]
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1 Introduction
In the mid-1960s, American scientist Maas conducted a large number of experimental studies on the charging process of open batteries and proposed an acceptable charging curve for bat...[Details]
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At the "2019 Xunshi 18th Fiber Optic Communication Market and Technology Seminar" held in Shenzhen, Li Junjie, chief expert of optical transmission technology of China Telecom, revealed that China Te...[Details]
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Because it always runs faster and farther than reality. Thousands of years before the invention of rockets, there were already records of space exploration. The same is true for unmanned vehicles. ...[Details]
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The insulation resistance of a power capacitor refers to the insulation resistance of the electrode of the power capacitor to its shell. A 1000V megohmmeter is used to measure the insulation resistan...[Details]
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This article introduces the application of PC parallel port as digital I/O port in control systems such as single chip microcomputers. In control systems, there are many digital switch quantities, dig...[Details]
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In order to conscientiously implement the municipal party committee's decision-making and deployment on focusing on industry and accelerating the promotion of building China's vanadium power capital, ...[Details]
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Two 350MW supercritical coal-fired power generating units have been put into operation, and the environmental protection and ultra-low emission transformation has achieved remarkable results. The Stat...[Details]
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To welcome the new era of open source and innovative industrial operating systems, the 3rd Domestic Embedded Operating System Technology and Industry Development Forum and Embedded System Associatio...[Details]
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1 Power-on surge current
At present, considering factors such as volume and cost, most AC/DC converter input rectifier filters use capacitor input filtering, and the circuit principle is shown...[Details]
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PN junction temperature sensor
Working Principle
The junction voltage of the PN junction of a crystal diode or transistor changes with temperature. For example, the junction voltage of...[Details]
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Increased demand for electric vehicles will lead to an expansion in power semiconductor production capacity Tokyo, Japan, May 17, 2022 - Renesas Electronics, a global supplier of semiconductor solu...[Details]
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The high power, high voltage requirements of all types of electric vehicles (EVs), including electric buses and other e-transportation power systems, require higher silicon carbide (SiC) technology...[Details]