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First, let me talk about the advantages of interrupts: interrupt functions are executed only when the interrupt trigger source is triggered, and not at other times. If you do not use interrupts and if...[Details]
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Everyone has always been very cautious about the high-voltage batteries of electric vehicles. We all know that poor insulation can lead to leakage and personal injury. However, as an engineering st...[Details]
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At present, cameras are used in many multimedia devices, including mobile devices, and they are being updated at a very fast speed. There are two types of cameras currently in use: CCD (Charge Coup...[Details]
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Usually, an IPM module should have four independent power supplies. The three IGBT control circuits in the lower arm share one independent power supply, and the three IGBT control circuits in the ...[Details]
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Technical solutions and functional modules for high-power LED lamp driver
大功率发光二极体用於一般照明是本世纪的新课题,其节能、安全、长寿命的综合优势将引发下一轮照明产业的革命。但是,大功率发光二极体是低电压单向导电器件,正常工作时的正向压降3-4伏。要用於一般照明必须解决电源变换的问题。
There are f...[Details]
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Abstract: High-frequency power active filter is a new harmonic and reactive dynamic compensation device. As a harmonic generator, the power active filter is added to the DC side of the converter to...[Details]
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For Apple, it is certain to launch an iPhone with larger storage capacity in the future as user demand is increasing. According to the latest news, Apple may launch a 1TB version of the iPhone, and t...[Details]
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According to the currently known information, Apple’s iPhone 14 series is expected to have four models, including a 6.1-inch iPhone 14, a 6.7-inch iPhone 14 Max, a 6.1-inch iPhone 14 Pro and a ...[Details]
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1. LDO selection and design 1: Important technical indicators of LDO: On-state voltage drop: Defined as the minimum difference between input voltage and output voltage while maintaining the o...[Details]
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After spending a lot of effort these days, I finally successfully burned the official library function into the entry-level Ethernet kit, and finally I can light up the LED on the board. This is not ...[Details]
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Every time you upgrade your system or change your phone, the most troublesome thing is probably backing up your data and passwords. Just now at the ColorOS 11 launch conference, OPPO said that the sy...[Details]
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Since the launch of the new round of power reform, the reform of transmission and distribution prices has always attracted much attention. In order to further improve the standardization and ration...[Details]
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#include reg52.h #include intrins.h //sbit led1=P1^0; //sbit led2=P1^1; //sbit led3=P1^2; //sbit led4=P1^3; unsigned char count; unsigned char direction; unsigned char delay1; unsigned char delay2;...[Details]
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With the acceleration of global industrial digital transformation and the rapid application of 5G, AI and IoT, industrial automation is undergoing a profound technological revolution, and semiconduc...[Details]
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introduction
There are three advantages to using ∑-△A/D: first, the front end of the ∑-△A/D converter does not need to be equipped with a steep anti-aliasing analog filter or a sampling and...[Details]