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The AC speed control system composed of frequency converter and AC motor has a wider allowable voltage fluctuation range, smaller size, stronger communication capability, and better speed control p...[Details]
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Introduction: To meet the needs of high-end display screens, in addition to having a high refresh rate so that the LED display screen can play images smoothly without flickering, it also needs to ...[Details]
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ST's STP4CMP is a four-channel LED driver based on a charge pump , designed for RGB lighting or LCD display backlight. It supports LEDs with a forward voltage of up to 3.8V , an operating volta...[Details]
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Hydrogen energy is the chemical energy of hydrogen. Hydrogen mainly appears in the form of chemical combination on the earth. It is the most widely distributed substance in the universe. It constitut...[Details]
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Figure 1. Equivalent circuit of series resonant transformer
Series tuning The equivalent circuit of the series resonant transformer is shown in Figure 3. When the power frequency voltage of US...[Details]
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The central dogma of molecular biology states the direction of the flow of genetic information from DNA-encoded genes to RNA and then to proteins. When a gene is transcribed into RNA, it is called "e...[Details]
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LEDs have the advantages of low energy consumption and long life, so many special applications use LEDs as their light source. However, because the power supply required by LEDs is DC and low vol...[Details]
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Yesterday, Bao Yungang, deputy director of the Institute of Computing Technology of the Chinese Academy of Sciences and member of the board of directors of the RISC-V International Foundation, reveal...[Details]
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Apple has applied for a number of patents for foldable iPhones. One of the granted patents is for an "electronic device with a slidable expandable display screen," and Apple has just updated t...[Details]
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As we all know, assembly language has higher performance advantages, while coding in C language can be implemented more easily and quickly. The continuous enhancement of DSP processor functions and t...[Details]
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Many Tianfu Energy Storage vanadium battery stacks have been successfully delivered. Recently, Sichuan Tianfu Energy Storage Technology Co., Ltd. has provided customers with many independently develop...[Details]
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Today’s medical devices are filled with increasingly complex electronic devices that monitor, display, assist and warn patients. The latest generation of medical device electronic devices are smaller...[Details]
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As 5G is implemented, many new technologies will emerge, so there will be more opportunities for Intel to make money. Only part of 5G is related to the mobile phone market, but Intel gave up th...[Details]
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1. AM Circuit AM circuit is to add the modulating signal and the carrier signal to a nonlinear element (such as a crystal diode or a transistor) at the same time, transform them into new frequency co...[Details]
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1. The general background of urban logistics development and reform in the new era In recent years, China's economic development has entered a new era. The background of China's urban logistics deve...[Details]
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