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A 7.3-magnitude earthquake struck the sea east of Fukushima, Japan, which is believed to be an aftershock of the 2011 Fukushima earthquake and tsunami. Statistics released by Fukushima Prefecture and...[Details]
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Electronic components are electronic components and components of small machines and instruments. They are often composed of several parts and can be used universally in similar products; they often ...[Details]
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The portable thermal instrument calibrator (hereinafter referred to as the "calibrator") is a new type of thermal instrument calibration device developed by us. This product adopts large-scale integra...[Details]
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The microprocessor implements load management by controlling the operation of the power supply, as shown in Figure 1. There are N power supplies in Figure 1, and each power supply carries a load (the...[Details]
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Samsung Display President Choi Joo-sun said at a meeting with executives and employees at Giheung Campus in Yongin, Gyeonggi Province, South Korea, earlier this month that the company has increased t...[Details]
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Accurate and unified time is the most basic requirement of substation automation system. Only when various automation equipment in the power system (such as fault recorders, relay protection d...[Details]
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Liquid crystal displays are increasingly widely used in pocket instruments and low-power application systems due to their advantages of low power consumption, small size, rich display content, and ...[Details]
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Spectrum analyzers are common tools on the workbench of electronic engineers or in university laboratories. Here we have sorted out 6 common questions about the use of spectrum analyzers, hoping that ...[Details]
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Reported on July 22 (by reporter Zhang Yiqun) The rivalry between Xiaomi and Gree does not seem to have stopped just because the famous 1 billion bet between Lei Jun and Dong Mingzhu has been settled...[Details]
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With the widespread application of single-chip microcomputer systems, their functions are constantly strengthened and their integration is increasing. However, in the traditional single-chip microc...[Details]
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IEC61850 is a configuration tool for substation automation systems, in which the Substation Configuration Description Language (SCL) is defined in the IEC61850-6 section. The SCL language is a spec...[Details]
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Vishay's high-precision thin-film chip resistors have extremely high stability and extremely low noise
The device has an operating temperature range of -55°C to +155°C, a rated...[Details]
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LED lamp and its light-emitting principle 1. Structure and light-emitting principle of LED
50 years ago, people already knew the basic knowledge that semiconductor materials can generate ligh...[Details]
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The 550W intelligent quantum computer that appears in "The Wandering Earth 2" is "MOSS", which is also considered a BOSS in a sense. If we switch to the current smart electric vehicle market at tha...[Details]
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1. What is LED light? LED: Semiconductor light-emitting diode. Directly convert electrical energy into light energy 2. LED operating parameters The working voltage drop of ordinary light-emitting d...[Details]