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1. How to quickly judge whether the motor is good or bad: 1. Use a multimeter to measure the DC resistance of the three-phase winding of the motor. The closer the results of the three measurements ar...[Details]
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Although today's lead-acid batteries have made great improvements in structural design and raw materials, and their performance has been greatly improved, many well-designed and well-made mai...[Details]
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/******************************************************************************/ /*【Written on】： 2011.07.07 * 【Author】： Yanling Electronics * 【Version】： V1.0 * 【Compilation environment】: ICCAVR * 【...[Details]
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Generally speaking, electromagnetic noise is difficult to eliminate, but various measures can be taken to suppress electromagnetic noise to the extent that it does not cause electromagnetic interfe...[Details]
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Power switches made of wide bandgap (WBG) material gallium nitride (GaN) have opened a new era of power electronics with their excellent efficiency and high switching frequency. In line with this ...[Details]
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The ferrite materials available for selection at high frequencies are very limited, such as TDK's PC40 and PC50 materials, SIEMENS's
N87, N49, and N59 materials, and other high-frequency po...[Details]
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On the morning of December 17, according to some foreign media reports, Apple is committed to changing more chip development work to self-research to replace the current purchases from other supp...[Details]
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At the remote center of Beijing Jishuitan Hospital, Tian Wei, director of Beijing Jishuitan Hospital and chief scientist of Tianji orthopedic surgical robot, sat in front of the computer early and co...[Details]
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In this article, we consider these issues in the context of driving a SAR (successive approximation register) ADC.
SAR ADCs are widely used in the world of analog-to-digital converters....[Details]
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At present, many brands of smartphones, notebooks, and tablets on the market have adopted Type-C connectors, such as Xiaomi, Meizu, OnePlus, Huawei, OPPO, etc. Most people just think it is convenie...[Details]
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Since the end of April, A-share listed companies have released their 2020 annual financial reports and 2021 first quarter financial reports. Some companies with significant performance increases have...[Details]
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It is estimated that by the end of the year, more than 130,000 5G base stations will be put into operation across the country. This was revealed by Chen Zhaoxiong, Vice Minister of the Ministry of In...[Details]
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Single-phase motors generally refer to low-power single-phase asynchronous motors powered by single-phase AC power (AC220V). This type of motor usually has two-phase windings on the stator, and the...[Details]
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With the official commercialization of 5G, deepening cooperation to promote 5G innovation and accelerate the arrival of 5G has become the focus of the industry. At the 2019 China Mobile Global Partne...[Details]
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STMicroelectronics (ST) recently announced its Q3 2024 financial report, with total revenue of US$3.25 billion, a year-on-year decrease of 26.6%. Net sales revenue from OEM and agency channels decr...[Details]
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