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此前,据《2020年手机/半导体产业IPO过会总览:87家企业募资近1000亿元!》文中统计,由于受疫情影响,2020年一季度IPO过会企业仅有4家,且均集中在年前的1月份,2-3月尚无一家企业过会,直至4月才陆续出现部分上会企业。下半年,随着疫情明朗及创业板注册制的开通,7-12月过会的企业数量达65家,显著高于上半年的22家。 IPO过会的热潮也延续到了2021年,今年一季度,据集微网不完全...[Details]
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Voltage reference sources can be found in almost all advanced electronic products. Circuits such as analog amplification and A/D conversion in microcontroller circuits and embedded systems require...[Details]
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Artificial intelligence startup Megvii Technology is considering whether to postpone its IPO plans as its current $4 billion valuation faces uncertainty due to its inclusion on the U.S. “Entity List....[Details]
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An Apple patent published by the U.S. Patent and Trademark Office on Thursday appears to show that Apple is considering developing a new iPhone case logo that can change color. Future iPhones are exp...[Details]
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Introduction: The solar controller designed here has stable performance, overcharge and overdischarge protection and temperature compensation. After testing, the system shows good control effect, whi...[Details]
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Today (18), the 2019 Huawei Connect Conference (HUAWEI CONNECT) was held at the Shanghai World Expo Exhibition and Convention Center. At the event, Huawei released its computing industry strategy and...[Details]
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PIC microcontroller is one of the most important types of microcontrollers. I have introduced many things about PIC microcontrollers, such as the advantages of PIC microcontrollers and the selection ...[Details]
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CICC's research report believes that 5G mobile phone sales are one of the most important factors affecting the stock price trend of the consumer electronics sector in 2020. According to the latest in...[Details]
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On March 2, 2021, a digital blogger revealed that Wu Dezhuo, president of ByteDance's New Stone Lab, had resigned and joined Sharklet. In response, Wu Dezhuo said the revelation was true. Wu Dezhou...[Details]
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This paper introduces a general design method of on-chip oscillator based on CPLD. It is based on the principle of ring oscillator and only occupies the common logic resources (LE) on the chip. It ...[Details]
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The so-called static VAR generator (SVG) in this text refers specifically to a device that uses a self-commutated power semiconductor bridge converter to perform dynamic reactive power compensation...[Details]
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The working principle circuit is shown in the figure above. The microphone installed in the special tube receives the sound in a certain direction (the sound in other directions is suppressed) and se...[Details]
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The on-board charger can realize the functions of AC input (85VAC~265VAC)/DC output (200VDC-750VDC) output. The core architecture of its circuit usually consists of four parts: rectification, PFC b...[Details]
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There are two reset signals for MSP430: power-on reset signal (POR) and power-on clear signal (PUC). There are also signals that can trigger POR and PUC: 5 from the watchdog, 1 from the reset pin, ...[Details]
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Everyday traffic jams pose a safety risk to vulnerable road users. According to foreign media reports, Volvo Trucks has launched two safety systems that focus on protecting pedestrians and cyclists...[Details]