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Apple suddenly updated the MacBook Pro this morning (May 22nd, Beijing time). In addition to the regular processor upgrade, Apple also upgraded the third-generation butterfly keyboard. Apple said on ...[Details]
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EPS emergency power supply is an important backup power supply for power system, and FEPS is a fire protection product developed from it. It must be used and maintained correctly during use, othe...[Details]
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Some occasions may require ultra-high-precision synchronous clocks, such as 0.5ppm or even lower clocks, and ensure a good repetition rate for multiple devices. Therefore, this article mainly descri...[Details]
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At present, the efficiency of the feedforward power amplifier designed with Freescale's MRF9060 can reach 30%. The Doherty power amplifier, because it works in Class C, can theoretically reach an effi...[Details]
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The Window Watchdog (WWDG) is often used to monitor software failures caused by external interference or unforeseen logic conditions that cause the application to deviate from the normal operating seq...[Details]
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Ningzheng No. 24
To the people's governments of all counties and districts, all bureaus, committees and offices of the municipal government, the Management Committee of Xining Economic and Te...[Details]
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After the launch of the national strategy of "new infrastructure", China's 5G construction has also accelerated. Recently, China Mobile and China Telecom officially announced the number of 5G package...[Details]
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The SEPIC is a very useful topology when electrical isolation between the primary and secondary circuits is not required and the input voltage is either higher or lower than the output voltage. It ...[Details]
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PS: When I encountered variables such as _armboot_start and _bss_start in the u-boot source code, I didn't know what address they pointed to, so I looked it up and figured out what the pseudo-instruct...[Details]
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This application note describes a reference design for an RGB LED driver for a low-power projector. The design uses a monolithic MAX16821 HB LED driver to drive one RGB LED at a time. This approac...[Details]
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In the recent technology circle, everyone has been fascinated by ChatGPT launched by Microsoft. As a chatbot launched by the artificial intelligence company OpenAI in November 2022, it can conduct co...[Details]
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With the widespread application of batteries, especially in backup power supplies, VRLA batteries have strict operating requirements. If the batteries are operated outside the correct conditions, thei...[Details]
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EC11 encoder is often called rotary encoder, which is mainly used for parameter control such as brightness, temperature, frequency, volume adjustment, etc. The C pin of the three pins is grounded, ...[Details]
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According to foreign media reports, LG Chem will supply nickel-cobalt-manganese-aluminum (NCMA) quaternary battery positive electrode materials to Tesla in July. This is the first time that LG Chem h...[Details]
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On October 14, the Yunnan Provincial Development and Reform Commission and the Yunnan Provincial Energy Bureau issued the "Yunnan Province 2024 Second Batch of New Energy Project Development and Const...[Details]
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