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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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Since the launch of the first generation iPhone in 2007 to last year's iPhone 12 series, Apple's iPhone has undergone 14 generations of product evolution. In addition to changes in the functions...[Details]
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Contemporary vehicles contain dozens of sensors that perform functions ranging from measuring temperature to speed and preventing collisions, making cars safer and more reliable, but not without ene...[Details]
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Oscilloscope Bandwidth Affects Jitter Measurements
Oscilloscopes can introduce extra jitter into measurements, which can lead to unexpected design changes. Ziad Matni of Inphi conducted an experimen...[Details]
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Touchscreen displays
have taken over our daily lives. From smartphones and laptops to smart TVs and car navigation systems, touchscreen displays are improving the experience and functionality...[Details]
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On November 8, according to the latest news, the world's largest single-phase energy storage power station supplied by BYD Energy Storage was successfully put into commercial operation on the west ...[Details]
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Recently, a third-party certification agency under the China Automotive Research Institute launched the "Smart and Healthy Cockpit" certification for automobiles to protect consumers . The spread ...[Details]
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Leaker Sleepy Kuma cited Korean website Clien as saying that LG may not release a flagship phone equipped with Snapdragon 875 in the first half of 2021. The Snapdragon 875 is Qualcomm's fir...[Details]
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Purpose of mmap Shared file mapping One application scenario is that two processes read and write a text file together. For example, you edit and save it with vim, and then view it with the cat com...[Details]
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Highly professional warning lights are commonly used in high-rise buildings, navigation, aviation and other places with high safety requirements. Take Taiwan as an example. As the height of buildi...[Details]
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In the past year's smart car test project, there are always friends asking questions: many of the terms we mentioned in the article are difficult to understand literally, and sometimes people are con...[Details]
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Recently, the independent CPU processor technology code-named "Elbrus" was revealed. This CPU comes from Russia's MSCT company, which is backed by Russia's Lebedev Institute of Precision Mechanics an...[Details]
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In recent years, with the large-scale construction of 3G networks and the rapid popularization of smart phones, the era of mobile Internet has arrived. As an operating system launched by Google, A...[Details]
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How is the displacement sensor used in wheel rim profile measurement? China's transportation industry has reached a cutting-edge level. With the development from ordinary passenger cars we made bef...[Details]
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On October 24, Bloomberg reported yesterday that Arm plans to cancel the license that allows its long-term partner Qualcomm to use Arm intellectual property to design chips.
Today, analy...[Details]