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According to the Global Quarterly Wearable Device Tracking Report released by IDC on September 9, global wearable device shipments in the second quarter of 2019 (Q2) increased by 85.2% year-on-year t...[Details]
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Electronic switch arc extinguishing circuit
Figure 1. Electronic switch arc extinguishing circuit
On the basis of thyristor V1 bypass arc extinguishing, a thyristor V2 is connected in serie...[Details]
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According to Qichacha news on February 23, Huawei's Hubble Technology Investment Co., Ltd. has added a new overseas investment - Shanghai Benno Electronic Materials Co., Ltd. (hereinafter referred to...[Details]
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Introduction: Traditionally, the frequency response of an oscilloscope is Gaussian, and is composed of many circuit components with similar frequency responses. This is what a traditional analog oscil...[Details]
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This program has 2 files in total, which are successfully driven by stc89c51 MCU. The complete code can be downloaded from http://www.51hei.com/f/ds3231code.rar
Below is the source code preview (...[Details]
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0 Preface The car driving recorder, commonly known as the car black box, is an electronic device that can record the vehicle's driving speed, time, mileage and other status information. The drivi...[Details]
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The memory leaks encountered in daily projects are nothing more than the following: (1) Heap memory leak. Heap memory refers to a piece of memory that is allocated from the heap through malloc, rea...[Details]
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With new technological advances such as edge computing, Wi-Fi 6, and Bluetooth LE v5.2, innovation in connectivity and AI is about to enter full gear. These developments are very important, especiall...[Details]
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Whether the new US government will stick to its view that Chinese telecommunications equipment poses a threat to national security is one of the topics of concern to people from all walks of life. Wh...[Details]
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In the early telecommunication rooms, the 220V AC power supply was usually rectified to charge the 48V battery pack, which then directly powered the program-controlled switches. With the applicat...[Details]
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The quadrupole mass filter is a key component of the quadrupole mass spectrometer. Only ions with a specific charge-to-mass ratio can pass through it, thereby filtering out ions. A high transmission ...[Details]
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South Korea's Electronics and Telecommunications Research Institute (ETRI) and mobile operator SK Telecom have jointly developed an artificial intelligence (AI) chip based on a neural network process...[Details]
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I. Introduction According to statistics, the annual capacity of single-chip microcomputers in my country has reached 100-300 million pieces, and it is growing at a rate of about 16% per year, but my ...[Details]
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A spokesperson for the European Automobile Manufacturers Association said that in order to achieve the EU's "climate neutrality" goal and vigorously develop the electric vehicle industry, the EU must...[Details]
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The third generation power semiconductor silicon carbide SiC has the characteristics of high withstand voltage level, fast switching speed and high temperature resistance, which can significantly i...[Details]