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Although different speakers may differ in the design of internal sound-absorbing cotton, bass reflex tube, reinforcement plate/reinforced baffle and other components, from the perspective of basic...[Details]
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Production of electronic fishing machine
The electronic fish catcher is a device that releases high-voltage DC energy into the water quickly, stuns the fish and then catches them. The circuit of ...[Details]
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On August 6, Asia Optical, a major optical parts manufacturer, disclosed its first-half financial report, achieving revenue of 9.957 billion yuan in the first half of the year, a gross profit margin ...[Details]
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Voltage references and current references are often used in analog circuit design. These references are little affected by power supply, temperature or process parameters, and provide a relatively ...[Details]
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1. Forward operating current If:
It refers to the forward current value when the light-emitting diode emits light normally. In actual use, IF should be selected to be below 0.6·IFm according t...[Details]
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According to foreign media reports, on February 22 local time, II-VI Incorporated, a leader in engineering materials and laser optical equipment, announced the launch of a ceramic YAG (yttrium alumin...[Details]
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Air Products announced that it has been awarded another long-term on-site gas generation contract in China by a global printed circuit board (PCB) leader and foundry giant. The new contract will furt...[Details]
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With the popularization of computers, electronic pens have developed rapidly as a new human-computer interaction tool. In China, Hanwang has always been in a leading position in handwriting re...[Details]
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On the morning of February 23, Cihu High-tech Zone held a signing ceremony for key projects in the communications industry. The total investment of the 10 signed projects was 8.4 billion yuan, ...[Details]
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Recently, a news report about a certain type of car hitting a sheep on the highway has attracted a lot of attention.
According to the description of the accident, the owner of the car en...[Details]
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(Photo source: Penn State official website) According to foreign media reports, researchers at Pennsylvania State University in the United States have developed a new strategy that can expand the ...[Details]
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More than 80 years ago, Littelfuse started out as a small fuse. Today, its products are no longer limited to this. A large number of unique circuit protection application product portfolios have expan...[Details]
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I have been studying 51 MCU for nearly two years. Recently, I summarized my study of 51 MCU. In addition, I signed up for the Blue Bridge Cup MCU competition in March next year, which can be regarded...[Details]
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In the past few decades, the widespread application of single-chip microcomputers has realized simple intelligent control functions. With the progress of informatization and the rapid development o...[Details]
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Soft starters and frequency converters are two types of electrical equipment widely used in the field of industrial automation. They have certain differences in functions, principles, applications,...[Details]