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The hysteresis of bimetallic thermometers is tested at the same time as the indication test (except for the upper and lower limits of the test points). The difference between the positive and reverse ...[Details]
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So far, there is no very strict and precise definition of "light engine", so many readers still don't know what a light engine is. Someone defines it as " LED light engine refers to an overall comb...[Details]
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Bandwidth is the first parameter most engineers consider when choosing an oscilloscope. This article will provide you with some useful tips on how to choose the right oscilloscope bandwidth for you...[Details]
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On the afternoon of May 24, Tmall Genie held an acoustic communication meeting and revealed that it has reached an in-depth cooperation with Boston Acoustics, the world's top acoustics organization...[Details]
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Beijing Auto's new SUV, BAIC Cube, will be officially launched on July 28. The feature of this new car is that it is the first fuel vehicle in China equipped with Huawei's Hongmeng smart cockpit solu...[Details]
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The current mode of a spectrum analyzer typically has a frequency response starting at a low frequency of 10Hz. When used in conjunction with FET software with a bandwidth of 1Hz or less, modern spec...[Details]
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1 Introduction
With the development of society, people's environmental awareness has increased, and the requirements for building materials are getting higher and higher. Thermal conductivity has ...[Details]
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US media recently revealed that the US is stepping up its digital penetration of Russia's power grid and can launch cyber attacks without the approval of President Trump. The relevant news has attr...[Details]
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// Fuse bits F7 DC F9 FF // pb0 or pd7 low is a fault -》》 PD5 outputs low, PC0 PC1 PC2 outputs high level //PD3 is high level emergency -》》PD6 30% //PD2 is low level, normal -》》PD6 DIP switch //PB6 ...[Details]
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In the mobile phone market with so many products, how to catch the attention of consumers at first sight is a big challenge for manufacturers. Recently, OPPO has presented a high-quality answer. The ...[Details]
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According to official news from Xiaomi, the Xiaomi Mijia refrigerator series has been officially released: there are four new products ranging from two doors to cross four doors, with prices starting...[Details]
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The characteristic of the amplifier circuit is that AC and DC currents coexist during operation, so one analysis method is to separate it into DC path and AC path, so as to calculate the static ope...[Details]
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In the past 2009, I have been developing IEEE 802.11n high-power wireless AP (wireless router) almost all the time, and have had several successful cases. Recently, I have sorted out the high-power...[Details]
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Toyota's second-generation hybrid system (THS-Ⅱ) is unique in the world for its exquisite mechanical structure and rigorous control strategy. Its core competitiveness lies in the power distribution...[Details]
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The ARM architecture is the foundation on which every ARM processor is built. The ARM architecture has evolved over time to include architectural features that address growing new features, high pe...[Details]
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