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Würzburg, Germany - Theoretical and experimental physicists from the ct.qmat team of the Cluster of Excellence Dresden have developed a semiconductor device made of aluminum gallium arsenide. This gr...[Details]
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The foundation of special light sources, color display and other industries is the restoration and transmission of color. In the field of optical metrology, it belongs to the category of light source ...[Details]
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Velodyne, the pioneer of LiDAR, has officially decided to lay off more than 20 employees in its Beijing office, including the direct sales team and some technical support, and to restore its sale...[Details]
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Since its establishment in 2012, the State Grid Customer Service Center has achieved unified standards and intensive operations within the power supply service scope of State Grid Corporation of Ch...[Details]
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On August 9, AI's ability to "imitate" human voices has become increasingly mature, and some users have begun to be unable to judge whether the speaker is human or artificial intelligence based on ...[Details]
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At the recent China International Information and Communications Exhibition, there were many 5.5G scene displays, such as naked-eye 3D, passive IoT terminals, road base stations, etc. based on 5.5G. ...[Details]
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Jiwei.com reported on April 17 that recently, MTS Russia and Huawei launched 5G networks at 14 landmarks in Moscow, and through the local event "5G is coming", fully demonstrated to consumers the new...[Details]
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1. System Architecture
The overall working process of the elevator controller is: the elevator is in a waiting state at the first floor. When the user needs to take the elevator, he can press ...[Details]
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GSM/3GSM radio access technology has dominated the global cellular communications market with more than 2.5 billion users and the number of users is still rising. In order to keep pace with the develo...[Details]
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The figure shows an application circuit using W723 multi-terminal adjustable integrated voltage regulator to form an adjustable output voltage of 10~37V and an output current of 2A.
...[Details]
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This example introduces a computer electronic clock (computer perpetual calendar) made with LED. The photo of it after it is completed and decorated is as follows:
In the above figure, the ...[Details]
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The grayscale of LED display is one of the important parameters of LED display. The grayscale of LED display is the color scale or grayscale of LED, which refers to the brightness of LED display. T...[Details]
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Several indicators describing the impact of input voltage on output voltage
⑴ Voltage stabilization coefficient
① Absolute voltage regulation coefficient K
It indicates the ratio of ...[Details]
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The principle of the instrument is to use electromagnetic induction to energize the coil. Components with different iron contents will cause the coil to oscillate at different frequencies, thereby te...[Details]
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Test products: Car audio and video monitoring board and 24V power board
Leimao laboratory temperature and humidity: 26 degrees, 61%
Test standards: static electricity, surge, load d...[Details]
Analog electronics
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