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Abstract: Powering the RF power amplifier in a handheld device has always been a difficult design, because on the one hand, the working efficiency of the RF power amplifier needs to be improved to...[Details]
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During the National Day holiday, South Korean giant Samsung Electronics announced the closure of its last smartphone factory in China. Although Samsung's factory closures in China have not been uncom...[Details]
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Due to the development of magnetic materials, the wattage per kilogram loss has been greatly reduced. In terms of structure, new features such as step joints and full oblique holes have been develo...[Details]
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According to foreign media reports, Japanese tire manufacturer Sumitomo Rubber Industries, Ltd. has collaborated with Professor Hiroshi Tani of Kansai University in Japan to develop a new technology ...[Details]
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Recently, iQOO released a 44W flash charging mobile power bank with a capacity of 10,000mAh and a price of 299 yuan. According to the charging head website, this is the first mass-produced pro...[Details]
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"Since the second half of 2015, the 1,500-volt system has been frequently mentioned by people in the photovoltaic industry, and some companies have even launched 1,500-volt products in advance." Ji...[Details]
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On March 2, Meizu announced the camera configuration of its new Meizu 18 series. The rear main camera of Meizu 18Pro has been upgraded to the 50-megapixel Samsung GN1, and Meizu 18 supports SMA optic...[Details]
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The method of using a multimeter to distinguish the electrodes of a bidirectional thyristor is: first find the main electrode T2. Set the multimeter to R×100, connect the black test lead to any elect...[Details]
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Imagination and Andes Technology have announced the successful testing and verification of the IMG B-series Graphics Processing Unit (GPU) using the RISC-V compatible Andes AX45, a 64-bit high-perf...[Details]
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The circuit shown in Figure 1 is a simple switch control circuit that connects Vsupply to the load. Vsupply can be a positive
voltage, a negative voltage, or an AC voltage. The input volta...[Details]
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In the field of semiconductor display, due to the advantages of AMOLED in optical performance, electronic performance, integrated functions and appearance, as well as the global production and sales ...[Details]
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1. Introduction This circuit mainly consists of 51 single-chip microcomputer, LCD1602 module and DS1302 chip, and displays the current time through LCD1062. 2. Operation Effect 3. Source Files ma...[Details]
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0 Introduction The phase difference measurement of two co-frequency signals has a wide range of applications in engineering. In recent years, the rapid development of precision measurement, radar po...[Details]
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As the country steps up its efforts to build "safe cities" and "safe campuses", civilian surveillance is rapidly penetrating into more and more fields. Whether it is smart cities and smart transp...[Details]
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The most widely used scenario of inductors is power supply. Both boost circuits and buck circuits require an inductor to store and release energy. Many novice friends are too familiar with the prin...[Details]
PCB Design
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