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In judging the growth and vitality of a company, in addition to looking at the levels of revenue and net profit, factors such as business model, R&D level, accounts receivable, cash flow, gross profi...[Details]
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On the morning of July 28, the 18th China Joy 2020 will be held in Shanghai on July 31. The mobile phone brand iQOO will also appear at this China Joy to showcase new technologies. The iQOO ...[Details]
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Agilent oscilloscope DSO90604A has 6 GHz bandwidth, 4 analog channels, and the sampling rate of each channel can reach 20 GSa/s. It is considered to be a mid-to-high-end oscilloscope of Agilent. Rece...[Details]
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360 Group has been developing automotive network security since 2014 and has discovered hundreds of network vulnerabilities covering multiple car companies and models. With years of experience in net...[Details]
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0 Introduction A microcontroller (MCU) is an integrated circuit chip that uses ultra-large-scale integrated circuit technology to integrate a central processing unit (CPU) with data processing c...[Details]
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As electronic products become more popular, it is not uncommon to see devices that can be powered by multiple power sources . For example, industrial handheld instruments or portable medical diagno...[Details]
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As shown in the figure, this is the LM4902 audio power amplifier circuit (MSOP package). After the audio signal is input, it is coupled to the inverting input terminal (pin 4) of the amplifier thro...[Details]
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To be a championship team, you need the best possible players at every position. Another Internet technology "god" has joined the autonomous driving industry. According to exclusive news from Lei...[Details]
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Modify CMakeLists.txt and add -std=gnu++17 # For more information about build system see # https://docs.espressif.com/projects/esp-idf/en/latest/api-guides/build-system.html # The following five line...[Details]
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Working principle of intermittent oscillator
In Figure 8-9(a), the transistor works in common emitter mode, and its collector voltage is fed back to the base through transformer T, and the connec...[Details]
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1. Introduction Average current control in CCM operation is the most typical control scheme, which is widely used in high-power APFC converters, such as UC3854-based converters. Compared with peak c...[Details]
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Although a specific UART device driver can be designed according to the design method of tty driver, that is, defining tty_driver and implementing the member functions of tty_operations, Linux has ...[Details]
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Industrial systems often control processes or machinery in close proximity to workers. This makes industrial system safety critical, and failures in industrial systems can have serious consequences f...[Details]
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Schematic diagram of using quantum computers to identify single molecules. Image source: Osaka University Japanese scientists used a quantum computer to distinguish adenosine monophosphate nucleot...[Details]
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On October 27, the Organization Department of the Liaoning Provincial Party Committee issued a public notice of candidates for leadership positions. Among them: Li Xianfeng, male, Han nationality, bor...[Details]