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1. Introduction
With the continuous improvement of living standards, people's requirements for living environment have also greatly increased, and the requirements for information services and...[Details]
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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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According to news on August 16, it was learned from the official website of the State Intellectual Property Office that Huawei Technologies Co., Ltd. recently disclosed a patent called "Flip-chip pac...[Details]
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Electronic City is located on Jiuxianqiao Road, west of Beijing 798 Art Center. It has convenient transportation but not crowded, quiet in the bustling city, and close to art. The new Beijing office ...[Details]
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LED在电子系统中使用已经有很多年了,主要用作电子设备的指示灯。最近在亮度和色彩深度方面取得的重大进步,意味著LED现在可以用于更广泛的应用,从手机和多媒体播放机中的趣味照明,一直到取代商业和家庭照明应用中的传统光源。
推动LED照明市场发展的关键推动力是高亮度LED和智能LED控制器的出现。采用高亮度LED的产品设计师面临著许多设计挑战,包括散热管理、驱动方案、拓扑架构和已有的基础设施。 ...[Details]
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Xi'an Zhijia Technology Co., Ltd. is close to raising about $200 million in a new financing round to support the company's development of self-driving trucks, according to people familiar with the ma...[Details]
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This year's new iPhone (tentatively called iPhone 11) will adopt a three-camera design, and how the three cameras are arranged has become the most concerned issue. According to rumors, the 6.5-inch i...[Details]
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According to foreign media reports, Herbert Schein, CEO of German automotive battery manufacturer Varta, confirmed that the company will produce battery cells for electric vehicles in the future and ...[Details]
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5G is not only a big test for mobile phone battery life, but also the pressure on operators' base stations cannot be underestimated. At the "2020 Communications Industry Conference and the 15th Com...[Details]
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Recently, Yole Intelligence, a subsidiary of Yole Group, a world-renowned market research and strategic consulting company, released the "2022 Automotive and Industrial LiDAR Application Report" (her...[Details]
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DSP applications are becoming more and more widespread, and it is very important to correctly design the power circuit of DSP application systems. This article gives a dual power supply voltage suppl...[Details]
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The following figure is a schematic diagram of the test using a digital multimeter. Set it to the NPN position, first open the G pole of the bidirectional thyristor VT, connect the pole to the "C" hol...[Details]
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The triggering ability of the bidirectional thyristor can be easily checked by using the hFE socket of the digital multimeter. The method is shown in the figure. The figure shows the appearance of a s...[Details]
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There are many posts of this kind, but almost all of them are implemented by calling dynamic link libraries. To be precise, the work of obtaining the hard disk serial number is implemented by DLL writ...[Details]
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Currently, battery electric vehicles (BEVs) and plug-in hybrid electric vehicles (PHEVs) operate at 800V battery voltage, exceeding the conventional 400V range. The adoption of 800V batteries is in...[Details]