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1. GB/T7600 "Determination of moisture content in transformer oil during operation (coulometric method)"
2. GB6283 "Determination of water content in chemical products - Karl Fischer method (gene...[Details]
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Multimeter is one of the most commonly used measuring instruments for electronics enthusiasts. It is an instrument that integrates multiple common electrical measurement functions. Nowadays, many mul...[Details]
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The ground resistance tester is a common instrument for testing and measuring ground resistance. It is also an indispensable tool for electrical safety inspection and completion acceptance of groundin...[Details]
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Circuit diagram for inputting 1MHZ/2MHZ clock signal
As shown in the figure, 1MHZ and 2MHZ signals can be output for use by the A/D converter timer/counter serial interface.
...[Details]
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The US "Entity List" control has dealt a heavy blow to Huawei's overseas business, especially the sharp decline in mobile phone sales. Last year, Huawei announced that it would divest Honor to surviv...[Details]
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Recently, Shanghai released the "Catalogue of Talent Development in Key Fields (Industries) in Shanghai" (hereinafter referred to as the "Catalogue"). The "Catalog" focuses on 14 key areas such as ...[Details]
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Fairchild
Semiconductor
has released the latest
LED driver
products FAN5701 and
FAN5702
, which have a peak efficiency of 92% and can extend battery life for designers of
mo...[Details]
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The following program selects the crystal oscillator as 12MHz The clock cycle is the reciprocal of the crystal oscillator, which is 1/f(crystal oscillator). The machine cycle is 12 times the clock ...[Details]
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Although single-chip microcomputer programming is small, many people may not pay attention to some methods of project development. They start writing when they get the plan, and then write whatever th...[Details]
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Xiaomi will release the new Redmi Note 9 series in India on March 12, and recently there have been reports that the Redmi Note 9 series will also include a Redmi Note 9 Pro Max. According to wel...[Details]
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There may still be a few chipmakers that can survive the U.S.-China trade dispute, according to one analyst. While large chip companies like Broadcom (AVGO-US) are under pressure due to recent restri...[Details]
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Recently, Professor Pan Feng and Associate Professor Zheng Jiaxin from the School of Advanced Materials, Shenzhen Graduate School, Peking University, jointly wrote an opinion article in National Scie...[Details]
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According to foreign media reports, on May 2 local time, Tesla updated its fleet software again through wireless upgrades, including two new active safety features supported by the Autopilot hardware...[Details]
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The signal source of traditional frequency sweepers mostly uses an oscillator composed of LC circuits, and a large number of discrete components are used to realize va...[Details]
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Laser displacement sensor is a very important type of displacement sensor. Its working principle should be well known to everyone, that is, laser triangulation measurement method. So what are the s...[Details]
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