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According to the Wall Street Journal, China and the United States have reached an agreement in principle on the first phase of a trade agreement during recent trade consultations. The report pointe...[Details]
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On July 18, He Xiangming, president of East China Lithium Battery Research Institute, came to Shenzhen Kejing to inspect lithium battery related experimental equipment. He was received by General M...[Details]
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With the development of modern society and the advancement of science and technology, many high-rise buildings and intelligent buildings have emerged. As an important means of transportation inside h...[Details]
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0 Introduction Thyristor controllable rectifier devices are widely used in metallurgy, chemical industry, and electric power industries. In these devices, the voltage or current is changed by cont...[Details]
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The first iPhone 12 and iPhone 12 Pro reviews have just come out, but don’t forget the fourth-generation iPad Air. The first unboxing video of the new iPad Air has appeared online, introducing the ne...[Details]
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Industrial automation is becoming increasingly popular in order to improve efficiency and performance. In application scenarios such as autonomous mobile robots (AMRs), warehouse robots, drones, ag...[Details]
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Function of the circuit
For DC amplifiers using OP amplifiers, offset drift is important, but low-frequency noise must also be small. The base noise of different ty...[Details]
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According to foreign media reports, Belgian lidar company Xenomatix announced the launch of a new version of XenoTrack based on the latest lidar '6D' road scanning system for autonomous vehicles and ...[Details]
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Intel released its Q3 2019 financial report last weekend, with total revenue of $19.2 billion, almost unchanged year-on-year, but net profit of $6 billion, down 6% year-on-year. This financial ...[Details]
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Preface
For today's electronics industry, measurement is an indispensable part from components to systems, design to production. Factories must use measurement to learn about product performance a...[Details]
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The voice recognition system in the voice chip is used in more robots that need to replace manual services or recognize commands, realizing more human-computer interactions and bringing more conven...[Details]
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Do I really need that technology? Should I buy it now? If I don't buy it, will I be at a disadvantage? Will I be eliminated because of making the wrong decision? Even if we don't want to be the f...[Details]
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As we all know, the relationship between the frequency domain and the time domain can be described by Fourier theory. By performing inverse Fourier transform on the reflection and transmission freque...[Details]
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Amplifier working process and composition principle:
(1) Workflow Input - Preamplifier - Driver - OTL power output - Speaker (2) Composition principle ① Preamplifier (input) The preamplifier is co...[Details]
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The frequency converter is an electrical device used to control the speed of an AC motor. It achieves speed control of the motor by changing the frequency and amplitude of the input power. In pract...[Details]
Security Electronics
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