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This is a 2x1W stereo amplifier circuit based on single IC KA2209. IC KA2209 is an equivalent IC to TDA2822, if you cannot find KA2209, you can use TDA2822. It is very suitable for battery powered ...[Details]
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With the rapid development of the domestic new energy vehicle industry, the number of electric vehicles in China has reached 3.34 million. In the process of rapid development, many historical problem...[Details]
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According to foreign media MacRumors, Samsung mocked Apple on its social media accounts for removing chargers from the iPhone 12 series and other iPhone models, pointing out that Samsung Galaxy smart...[Details]
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The entire semiconductor chip industry chain is out of stock, and terminal brand manufacturers are facing a test of life and death. Fab expansion strategy According to the latest report released by m...[Details]
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On April 12, Sichuan Energy Investment Group and Sichuan Provincial Department of Science and Technology signed a strategic cooperation agreement. Wu Qungang, Secretary of the Party Leadership Grou...[Details]
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In the past two years, demand for DRAM memory chips and NAND flash memory chips has been weak, causing prices to remain at a low level, and memory and SSD hard drive products have become increasingly...[Details]
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According to the official website of Beijing Municipal Planning and Natural Resources Commission, the industrial project of Plot 0106 in Block YZ00-0606 of Yizhuang New Town was sold for approximat...[Details]
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Driven by policy support and market applications, my country's integrated circuit industry and panel display industry have developed rapidly. Domestic wafer fabs and panel fabs have begun to invest a...[Details]
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Figure 1 is a typical OTL circuit. C1 in the circuit is called a bootstrap capacitor. What is its role in the circuit? For the convenience of analysis, Figure 1 is simplified as Figure 2. In the circ...[Details]
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In existing packaging processes such as SIP (system-in-package) and MCM (multi-chip module), the chip and other circuits need to be bound to a substrate or a silicon interposer, and interconnected th...[Details]
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New edge-optimized processors and FPGAs drive AI everywhere in edge computing markets such as retail, industrial and healthcare
Today, Intel and its subsidiary Altera ann...[Details]
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Relevant organizations pointed out that in the current LED lighting market, outdoor lighting and public lighting are the markets where traditional lighting is best replaced with LED lighting. Home ...[Details]
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Introduction: Most single-chip control systems use control keys to implement control functions. Eliminating the jitter at the moment of key pressing is an issue that designers must consider. This art...[Details]
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There is a BUG in the function below, that is, SR2 cannot be polled using WHILE, but should be read directly. As shown in the following code segment, Therefore, what I say here is a BUG of STM32 is a...[Details]
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ARM processors have been developed for many years, with many architectures and many different cores.
The architectures are armv1 v2 v3 v4 v5 v6 v7
There are too many cores, for example, a...[Details]
Analogue and Mixed Signal
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