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Off-road casualties often occur, causing huge losses of life and property to the people and bringing great harm to the normal operation of trains. The smooth opening of the Beijing-Tianjin Intercit...[Details]
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On November 10, 2016, the company recently received the "Notice of Winning Bid" issued by China Electric Power Equipment Co., Ltd. The company successfully won the 54th batch of centralized bidding...[Details]
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0 Introduction
If the underwater data acquisition system with battery as power source is to work for a long time, it must be equipped with a large number of batteries as power source. If the p...[Details]
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Battery Chemistry Each battery chemistry has different operating characteristics, such as discharge patterns and self-discharge rates. TI's battery fuel gauge ICs are developed based on battery ch...[Details]
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In response to users' feedback on the heating problem of Xiaomi mobile phones, Jin Fan, Xiaomi Product Director and General Manager of MIUI Experience, responded in the Xiaomi Community today. ...[Details]
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1 High-voltage motor
Variable frequency speed regulation
Energy-saving significance
The total power consumption of various motors in China accounts for more than 60% of the total power c...[Details]
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Panzhihua City accelerates the construction of a world-class vanadium-titanium industrial base. Image Since this year, Panzhihua City has stepped up efforts to attract projects, cultivate high-quality...[Details]
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After testing, it was found that the RF front-end mixer was faulty, resulting in no signal detection and self-calibration error. Repair process The damaged components were replaced and the enginee...[Details]
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The grid voltage is reduced to 1750V by a phase-shifting transformer, rectified by a rectifier bridge D, and then enters a buffer circuit composed of capacitors CC, CD, inductor LC, resistor RC, and ...[Details]
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Touch Button Introduction
Touch buttons are an alternative to mechanical buttons and switches. Generally speaking, it is a PCB-based capacitive solution for implementing touch sensing. To achieve thi...[Details]
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Using better devices only creates a good foundation and possibility for designing and implementing a good system. If you still use and follow the traditional hardware and software design ideas ...[Details]
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With the emergence of microprocessors in the 1970s, computer and semiconductor suppliers gradually realized that integrated circuits need to be tested as early as possible in the entire manufacturi...[Details]
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The research team of He Zhengyou, Hu Haitao and Wang Ke from Southwest Jiaotong University, together with CRRC Qingdao Sifang Rolling Stock Research Institute Co., Ltd., China Railway Shanghai Bure...[Details]
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The newly launched UV F-Theta lenses feature an optimized low outgassing stainless steel design for UV laser material processing applications.
Excelitas Technologies® Corp., ...[Details]
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Use the AC current range of a digital multimeter to accurately measure the working voltage of the two wires to ground: the working voltage of the live wire and the neutral wire to ground will be clos...[Details]
Analog electronics
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