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By using the Zener breakdown characteristics of the voltage regulator tube, a high-frequency signal with a frequency of hundreds of megahertz can be obtained. The circuit is shown in the figure. The ...[Details]
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Previously, Lei Jun, the founder of Xiaomi, said that Xiaomi would enter the Fortune Global 500 in 2018, and now Xiaomi has achieved this goal. According to the latest Fortune 500 list, Xiaomi ranked...[Details]
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Modulation, Envelope
If there is obvious amplitude modulation (AM) in the noise, BK Connect software also provides envelope analysis (Envelope). Envelope analysis can separate the modulated si...[Details]
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From GM Onstar in 1996, to BMW 7 Series iDrive in 2001, to Audi A4L's Mini in 2018, voice recognition and interaction technologies are activating the upgrade of traditional car cockpits to digital an...[Details]
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0 Introduction
With the development of power electronics technology, the harmonic problems caused by power electronics devices have had a great impact on the safety, stability and economic operation...[Details]
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Estimating semiconductor temperature rise used to be simple. You simply calculated the power dissipation of the component and then used an electrical simulation of the cooling circuit to determine the...[Details]
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OPPO presents two new super flash charging technologies and multiple flagship products at MWC 2022
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OPPO officially releases 240W Super Flash Charge technology, breaking the i...[Details]
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This morning, realme’s previously preheated “5G Super Flash Charge” technology was officially unveiled. The official demonstration video shows that with the support of 125W smart flash cha...[Details]
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Abstract: This paper introduces the basic framework of H.324 videophone, and based on the analysis of the amount of calculation and storage capacity required after video and audio encoding and d...[Details]
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There are too many STM32 library functions, and they cannot distinguish upper and lower case, so I often remember them incorrectly. GPIO is easy to remember. ---Step 1--Mode Configuration void GPIO_C...[Details]
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Singapore-based vanadium-based redox flow battery manufacturer VFlowTech has raised US$10 million in Series A funding led by Japanese venture capital (VC) firm Real Tech Holdings an...[Details]
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The 7th China (Shanghai) International Supercapacitor Industry Exhibition (CSCF2016), the largest professional supercapacitor exhibition in China, was held at the Shanghai New International Expo Ce...[Details]
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Should Samsung launch the Exynos 1000 after the Exynos 990 chip? It seems that there are still variables. The score of the phone believed to be the Galaxy S21 Plus on Geekbench indicates that the nex...[Details]
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(1) Preparation There are many types of multimeters. Before using CD4050BE, you must do a good job of preparation before measuring. Be familiar with the functions of the conversion switches, kno...[Details]
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Delixi inverter is a device widely used in the field of industrial automation. It can realize functions such as speed regulation and forward and reverse control of motors. This article will introdu...[Details]