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According to Reuters, German automaker Volkswagen Group recently said that the company is facing a shortage of semiconductor chips and will adjust its production plans at its factories in China, Nort...[Details]
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1 Introduction
Sinusoidal pulse width modulation (SPWM) technology has been widely used in the fields of AC speed regulation, DC power transmission, variable frequency power supply, etc. In o...[Details]
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4G changes life, 5G changes society. The arrival of 5G is undoubtedly an important manifestation of scientific and technological progress. In order to seize the future market, many countries around t...[Details]
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There is no doubt that memory and storage are one of the most active areas of data center technology innovation in recent years. The vigorous development of cloud computing, artificial intelligence, ...[Details]
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Analysis of header files reg51.h and reg52.h when programming in C in single chip microcomputer
When we program in C language, the first line is often reg51.h or other custom header files. How ...[Details]
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There are two key parameters for batteries: energy density (Wh/Kg) and power density (W/Kg). Energy density is the amount of energy that a battery can store per kilogram of weight; power density is h...[Details]
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0 Introduction
Commonly used methods for measuring resistance and capacitance are pure analog circuit method and PLC method. Using pure analog circuit method to design resistance and capacitan...[Details]
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Simple tube headphone amplifier
Here I would like to introduce to you a relatively simple tube headphone amplifier. I use it to drive the Sennheiser HD-580 (impedance: 300l1) to listen to light ...[Details]
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On the evening of October 26, Shenzhen Fuman Electronics Group Co., Ltd. (hereinafter referred to as "Fuman Electronics") released its third-quarter performance announcement stating that its revenue ...[Details]
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Yu Chengdong said that the Xiaomi MIX Alpha concept phone has no practical value, which made Lu Weibing, vice president of Xiaomi Group and general manager of Redmi brand, very angry. He questioned Y...[Details]
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The design of the new generation of LED driver ICs must break the traditional DC/DC topology design concept, such as using constant power, not using the hysteresis control buck type but using constan...[Details]
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At 15:46 on June 30, the 110 kV Xingsheng substation invested and built by Anhui Zhongyi Power Sales Company was successfully connected to the power grid, marking the successful commissioning of th...[Details]
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The arrangement of LEDs and the specifications of the LED light source determine the basic driver requirements. The main function of the LED driver is to limit the current flowing through the LED...[Details]
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LED lamps have higher efficiency and longer lifespan than traditional lighting technologies. They have become the preferred type of bulb to reduce energy consumption in indoor/outdoor lighting. In ...[Details]
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First, in the previous example, add the dma.c file to the dev folder, and then add it to the Makefile in that directory:
This is the framework. Next, open dma.c to implement it:
...[Details]
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