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When the 1X mode is selected, the signal enters the oscilloscope without being attenuated. When the 10X mode is selected, the signal is attenuated to 1/10 before entering the oscilloscope. When...[Details]
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Video surveillance is one of the most effective means in security systems. Since its widespread use in the 1990s, especially with the construction of large-scale projects such as safe cities, tens ...[Details]
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1 Introduction
The closed-loop system of a commonly used switching power supply is generally based on the linear average model of the DC-DC converter, and a PID controller is co...[Details]
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"In the future, will computers be able to run on human brain cells?" This question may seem like an "open question", but researchers at Johns Hopkins University in the United States are exploring the...[Details]
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Ammeter and voltmeter are the two most basic and important measuring instruments in junior high school electrical experiments. They are also the instruments often tested in the high school entrance e...[Details]
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According to Jiwei.com, on April 21, Phoenix Optics released its first quarter performance announcement, stating that its revenue in the first quarter of 2021 was 344 million yuan, a year-on-year inc...[Details]
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After being dominated by foreign Tier 1 companies for a long time, China's independent wire-controlled chassis manufacturers finally have a say. On December 13, 2019, Shanghai Nasen Automotive Elec...[Details]
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USB (Universal Serial Bus) is now recognized as the preferred connectivity solution for many common off-the-shelf peripherals such as keyboards, mice, printers and storage devices. For equipme...[Details]
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introduction
The aerodynamic shape of the car determines the overall outline of the car body, while the aesthetics of different times determine the modification techniques and body expression ...[Details]
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Direct reading spectrometer classification Direct reading spectrometers are divided into spark direct reading spectrometers, photoelectric direct reading spectrometers, atomic emission spectrometers,...[Details]
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LCD 12864 displays Chinese characters program. After debugging, I found that there is a line between two Chinese characters. In order to achieve the purpose of no line separation, I split them up and...[Details]
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On July 31, 2020, ColorOS' official Weibo account announced the August upgrade and adaptation plan for ColorOS 7, of which the R15x and K1 models will receive the official system push on August 17. S...[Details]
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At the 2019 Chengdu Auto Show, new energy vehicles have clearly become the darling of the entire industry. Both new brands and traditional car companies are moving in this direction. However, among n...[Details]
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1 Introduction
Aircraft flight status monitoring and data acquisition instrument. It is used to collect various flight data during aircraft test flights and requires a large amount of storage ...[Details]
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Solution 4 is implemented by a monolithic integrated chip AD620, as shown in Figure 4. Its feature is a simple circuit structure: an AD620, a gain setting resistor Rg, and an external working po...[Details]
Power technology
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