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As China Mobile's TD-LTE bidding worth more than 20 billion yuan draws to a close, their 4G terminals are also ready.
It was learned from China Mobile that Samsung's first TD-LTE mobile phone has...[Details]
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Dual Tone MultiFrequency (DTMF) signaling is gradually being used in push-button telephones around the world. It quickly replaced the dial pulse signaling used in traditional rotary phones because ...[Details]
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Gartner: Global AI PC and generative AI smartphone shipments are expected to reach 295 million units in 2024 AI PC shipments will account for 22% of total PC shipments in 2024 Generative AI smart...[Details]
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On July 8, Reuters reported that Huawei plans to invest 3 billion zlotys (US$793 million) in Poland over the next five years. However, officials of Huawei's Polish branch pointed out that whether Hua...[Details]
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Abstract: This article introduces the SPWM medium frequency inverter power supply digital control system based on PIC16C73 and SA838, and gives a detailed introduction to the working characteris...[Details]
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On August 27, Joseph Sawicki, executive vice president of Mentor IC EDA, said in an interview with the media that he is currently applying for an exemption license from the US Department of Commerce ...[Details]
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Recently, the 2020 China International Intelligent Industry Expo (CIIE) was held in Chongqing. As an important industry participant in promoting the upgrading of the intelligent industry, Intel share...[Details]
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Recently, the 1200V/10A SiC-SBD (silicon carbide-Schottky diode) device developed by Nationstar Optoelectronics successfully passed the reliability verification of a third-party authoritative testing...[Details]
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Record my tortuous experience of using uboot on mini2440. First, I used the code that came with the board: u-boot-1.1.6. But when compiling, it always prompts that there is an error. I don't know i...[Details]
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A few days ago, I posted an article about dismantling a certain electric company's SSD to protect its rights. It was about to get thousands of likes, and many people followed me. So today I dismantle...[Details]
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Matrix switchers and distributors are often used in monitoring and broadcasting system engineering. Their main purpose is to switch and distribute audio and video and their VGA (RGBHV) signals. In ...[Details]
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Measuring the phase noise of a variable frequency oscillator or synthesizer uses an expensive spectrum analyzer. For specific measurements at a fixed frequency of 455kHz, cheaper methods are avai...[Details]
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There is a light-emitting diode connected to the P1.0 port of the 89C51 microcontroller. When P1.0 outputs a low level, the light-emitting diode lights up, and when it outputs a high level, it goes o...[Details]
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For a long time, there are countless articles introducing the application circuits of 555 timer IC, but the circuits that use the internal comparator and bistable trigger of 555 to form an overcurrent...[Details]
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Comprehensive Analysis and Countermeasures of Line Losses in County-level Rural Power Grids
In the past few years since the implementation of the rural power grid reconstruction project of Mulan Co...[Details]
Microcontroller MCU
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