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According to foreign media reports, on Tuesday, November 9 local time, US President Biden announced that the US government will continue the investment ban on Chinese military-related companies intro...[Details]
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With the development of embedded technology and network technology and the widespread application of Ethernet, the networking of various application devices has become an important direction for th...[Details]
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According to foreign media reports, when you hold a flashlight to find lost keys, when bats detect obstacles when flying at night, or when car radar locates other cars on the road, the same physical ...[Details]
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Digital blogger @数码闲聊站 released a set of spy photos of the OnePlus 9 engineering machine yesterday. The phone adopts a single hole design in the upper left corner. The panel size is unknown, b...[Details]
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Introduction: In many measurement tasks, it is necessary to accurately measure voltage and current, and calculate device power and other electrical parameters based on the measurement results, such as...[Details]
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LeTV held a media communication meeting in Beijing yesterday, announcing the official return of its LeTV mobile phone and launching its first product after its return, the LeTV mobile phone S1....[Details]
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On April 27, the City Intelligent Energy Management System (CIEMS) independently developed by the State Grid Xiong'an New Area Power Supply Company officially entered Huawei's Yanxuan Mall, and com...[Details]
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/*********File name: i2c_ee.h**********/ /* Define to prevent recursive inclusion ------------------------------------ */ #ifndef __I2C_EE_H #define __I2C_EE_H /* Includes -----------------------...[Details]
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Bending test is mainly used to test the performance of materials when subjected to bending load. Bending test is often used in production to evaluate the bending strength and plastic deformation...[Details]
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Market sources said that the total production capacity of the world's top three DRAM suppliers will remain flat or increase only slightly in 2022 due to their focus on process technology transition r...[Details]
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The Darlington tube is two transistors connected together, and the polarity is only recognized by the front transistor. The specific connection method is as follows. Take two transistors of the sa...[Details]
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Why choose STM? I have only recently started developing stm8. Although I have never used stm products before, I have heard of the famous stm in the embedded industry. According to data provided by an...[Details]
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Design of Sine Signal Generator
1 Introduction
In order to accurately output sine wave, AM wave, FM wave, PSK and
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signals, a design method for generating sine wave sig...[Details]
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On April 8, Bethel (603596.SH) released its 2021 annual report. Data shows that in 2021, Bethel achieved a total operating income of 3.492 billion yuan, a year-on-year increase of 14.81%, and a net p...[Details]
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Figure 1 shows the schematic diagram of the main circuit of the star point control AC voltage regulation scheme. In Figure 1, T is a step-up transformer, VT1~VT6 constitute a standard three-phase bri...[Details]
Test/Measurement
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