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The 2019 South China Industrial Smart Manufacturing Exhibition (hereinafter referred to as "SMF 2019") will be held in Shenzhen Convention and Exhibition Center from Wednesday to Friday next week (De...[Details]
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With the improvement of modernization of water conservancy management, remote automatic control of sluice gates has gradually become popular. Since the lock chamber adopts unattended operation mode, w...[Details]
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I have recently been learning about 51 single-chip microcomputers and verifying the correctness of the program through the software simulation function of Keil. First of all, the most reliable sourc...[Details]
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On June 17, 1999, the Shanghai Nankong Air Machinery Factory held a "Compensated Effective Value High-Power AC Stabilized Power Supply Appraisal Meeting", and the head of the AC Stabilized Power Su...[Details]
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Comment out CS8900 related stuff in smdk2440.h #if 0 #define CONFIG_DRIVER_CS8900 1 /* we have a CS8900 on-board */ #define CS8900_BASE 0x19000300 #define CS890...[Details]
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Analog frequency sweepers are expensive, cannot directly obtain phase-frequency characteristics, and cannot print the frequency response curve of the network, which brings many inconveniences to use....[Details]
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Figure 1. Parallel tuned DC/DC resonant converter circuit diagram
The figure shows the main circuit diagram of the three-element parallel tuned converter. This converter adopts phase-shift modu...[Details]
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The audio jack is an industry standard connector that has many potential uses beyond providing basic audio connectivity. By understanding the various configurations available, including pin count a...[Details]
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With the rapid advancement of LED display technology, the dot pitch of LED displays is getting smaller and smaller. Now the market has launched P1.4 and P1.2 high-density LED displays, which have b...[Details]
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On May 5, Etnews reported that Samsung Display and LGD have decided to provide flexible OLED panels for the iPhone 13, which will be launched this fall, while BOE, which entered the iPhone OLED panel...[Details]
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Spectrum analyzer is a multi-purpose electronic measuring instrument, which mainly measures signal distortion, modulation, spectrum purity, frequency stability, intermodulation distortion and ot...[Details]
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1 Introduction
Traditional AC/DC converters have large input harmonics, low power factors, and pollution to the power grid because they are directly connected to large energy storage capac...[Details]
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5G licenses have been issued. As the first batch of 5G mobile phones went on sale, a voice advocating the uselessness of 5G has appeared on the Internet. 在昨天OPPO副总裁沈义人发文谈自己对“5G无用论”的看法,沈义人称:“在5G资费进入大众...[Details]
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Fuel cell vehicles, known as the new generation of environmentally friendly vehicles, do not use traditional fossil fuels, but use abundant hydrogen as fuel. The only emission after operation is wate...[Details]
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Servo systems are an indispensable part of modern industrial automation and precision control. According to different control methods, servo systems can be divided into open-loop servo systems, clo...[Details]