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0. Introduction At present, the boost circuits used for white light driving mainly include inductive DC-DC circuits and charge pump circuits. Inductive DC-DC circuits have problems such as EMI, ...[Details]
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The development of ARINC429 bus interface board realizes the reception and transmission of multi-channel ARINC429 bus data, which has become the focus of the current research on aircraft airborne bus...[Details]
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1 Can we expect the spring of hybrid vehicles? Subsidies for new energy vehicles have begun to decline, and there is even a trend of being completely cancelled. The country's support for pure ele...[Details]
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To help novices quickly master the system design of 51 single-chip microcomputer simulating PWM wave for DC motor speed regulation, the single-chip microcomputer source program is as follows: /****...[Details]
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When we judge the strength of Huawei's mobile phone brand, imaging is always a key word that cannot be avoided. Take its best-selling flagship P series as an example, from the P9's "moment, f...[Details]
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TSMC uses 5nm process node and advanced packaging technology for manufacturing, and the required ABF substrate will be fully provided by Xinxing Electronics. According to DigiTimes, sources said that...[Details]
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It is no exaggeration to say that the big cake of the Internet of Things, smart speakers, has been divided up completely by Internet giants such as Amazon, Google, Alibaba, and Baidu. According to th...[Details]
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1. EMI sources of switching power supplies
EMI interference sources are mainly reflected in power switch tubes, rectifier diodes, high-frequency transformers, etc. The interference of the exte...[Details]
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Heat dissipation issues in class D amplifier design
When evaluating the performance of Class D amplifiers in the laboratory, continuous sine waves are often used as signal sources. Alt...[Details]
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According to Quantum位, the epidemic will also affect the spring launches and supply of domestic mobile phone manufacturers this year, including Huawei, OPPO, Xiaomi and vivo. Canalys analyst Ni...[Details]
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KEMET launches first 105℃ automotive grade supercapacitor The newly launched micro supercapacitor can provide longer service life, higher power density, faster charging and higher reliability at a...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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The escalation of the tug-of-war between Japan and South Korea has driven the A-share photoresist sector to rise across the board. Many concept stocks such as Rongda Photosensitive, Jingrui Shares an...[Details]
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The circuit of the 15V/3.5A, 52W switching power supply composed of MC33374T/TV is shown in Figure 3. The allowable range of its AC input voltage u is 92V~276V. VD1~VD4 are rectifier bridges. The p...[Details]
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Exploring the chip-level maintenance of CT equipment circuit boards has a positive significance for expanding the technical level of CT maintenance and reducing maintenance costs. At present, CT eq...[Details]
Microcontroller MCU
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