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Abstract: A high-quality switching power supply has an efficiency of up to 95%, and most of the losses in a switching power supply come from switching devices (MOSFET and diodes), so correctly measur...[Details]
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Clock configuration and distribution The crystal oscillator frequency of tq2440 is 12MHz. There is the following statement in uboot: #define S3C2440_CLKDIV 0x05 /* FCLK:HCLK:PCLK = 1:4:...[Details]
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According to a report by the Economic Times of India on January 18, stimulated by India's production-linked incentive (PLI) program, Apple and Samsung produced smartphones worth more than US$5 billio...[Details]
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For ground signals, a differential or NRSE acquisition system is generally used, as shown in Figure a and Figure b respectively.
As shown in Figure a, the differential acquisition system of th...[Details]
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When environmental protection has become a national issue, in addition to traditional governance methods, how to scientifically use advanced technologies such as the Internet of Things, cloud computi...[Details]
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I am often away from home for several days, and have always wanted to make something that feeds fish automatically. I searched for it on the Internet for a long time, and I saw one that used a 15F104...[Details]
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According to foreign media reports, Ford Pro, Ford's commercial vehicle service business, has launched a home charging solution tailored to the needs of small and medium-sized enterprises. The manu...[Details]
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The iPhone 12 can be said to be Apple’s most special mobile phone in recent years. As Android phones continue to pile up new features, Apple's step-by-step product iteration seems to be insu...[Details]
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Among the faults that the elevator must be shut down for repair, electrical control system faults account for 80% to 90% of all faults. The electrical components selected for elevators a few months...[Details]
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1. What is IAP and why do we need IAP? IAP stands for In Application Programming. Generally, the devices with STM32F10x series chips as the main controller have already used J-Link emulator to ...[Details]
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Harmonics in power supply systems
1. Definition of harmonics
The definition of harmonics in power supply system is to decompose periodic non-sinusoidal electric quan...[Details]
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Standards and testing technologies are important levers to lead the development of the semiconductor lighting LED industry. In recent years, with the development of the LED industry, the standards ...[Details]
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0 Introduction
In order to improve the level of production and manufacturing, promote the practice of refined management and control models, thoroughly solve the problems of mis-issuance, mism...[Details]
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According to reports, Terry Gou, the founder and former chairman of Hon Hai Group, met with PayPal co-founder Peter Thiel and said that most Silicon Valley companies have lost their pursuit of core c...[Details]
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Industrial automation control systems are an indispensable part of modern industrial production. They use various sensors, actuators, controllers and other equipment to achieve real-time monitoring...[Details]
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