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1 Introduction With the continuous development of information processing technology, especially the widespread application of computers and the rapid development of the Internet, the reliability requ...[Details]
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Piezoelectric ceramic is a synthetic piezoelectric material. When subjected to external pressure, charges will be generated on both sides, and the amount of charge is proportional to the pressure. ...[Details]
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Suntech Solar GESOLAR launched its DC and AC solar off-grid system products at the Cologne Outdoor Products Show, Europe's largest outdoor products show, held in September. Its DC off-grid system c...[Details]
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PLC automatic control is widely used in electrical automation and intelligent control. Electric power operators know that in addition to inputting the established program, PLC automatic control als...[Details]
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1 Application of frequency converter
变频器是利用电力电子半导体器件的通断作用将工频电源变换为另一频率的电能的控制装置。利用变频器拖动电动机，起动电流小，可以实现软起动和大范围的无级调速，方便地对电机转速进行控制，使得电动机的运行符合实际工况需求，节能效果显著，因而变频器在工业生产中得到了越来越广泛的应用。变频器属于电力电子装置，构成它的电子...[Details]
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Plastic packaging has become the mainstream of current microelectronic packaging due to its unique advantages, accounting for more than 95% of the packaging market. The widespread application of plas...[Details]
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A light-emitting diode (LED) is a light-emitting device that directly injects current. It is the result of photons emitted when excited electrons inside a semiconductor crystal return from a high...[Details]
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On August 3, 2017, WPG Holdings, a leading semiconductor component distributor dedicated to the Asia-Pacific market, announced that its subsidiary U-Shine launched the LUMI LED S high-...[Details]
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Currently, most ADAS are based on cameras, radars or lidars, and the target object must be within the system's line of sight. However, for emergency vehicles, although their alarms can be heard in ad...[Details]
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According to the British Financial Times, Liang Xiangzi, a South Korean congressman and former chip engineer and executive of Samsung Electronics, strongly criticized the United States’ interventio...[Details]
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Thailand's largest mobile operator Advanced Info Service Pcl said on Tuesday that Huawei was one of five companies bidding to build its 5G core network as it steps up investment this year, Reuters re...[Details]
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According to the Ningxia Earthquake Network Center, at 20:42 on November 18, 2021, a magnitude 4.0 earthquake occurred in Lingwu City, Yinchuan City (38.00 degrees north latitude, 106.27 degree...[Details]
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Due to the high volume density and energy density of lithium batteries, and the single-cell voltage of up to 4.2V, they are widely used in portable electronic products such as mobile phones, PDAs a...[Details]
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Looking back on 2022, there are really a lot of things going on with Tesla Motors. In fact, there is nothing worth reading too much about the price adjustment. Musk once said that "no one will make...[Details]
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Automotive relays are an important electronic component, commonly used for switch control in automotive circuits, such as lights, horns, electric windows, etc. This article will introduce the princ...[Details]
Analog electronics
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