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Four years later, the aftermath of the "emissions scandal" has resurfaced. On December 4, Reuters reported that German prosecutors raided Volkswagen's headquarters in Wolfsburg on Tuesday to search f...[Details]
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Traditionally, PFC (power factor correction) offline power converters are designed with two power stages: The first power stage is usually a boost converter, because in this topology there is ...[Details]
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The history of human beings retaining sound began with Edison. In 1877, Edison invented the first phonograph, which allowed human voice to be displayed on other devices for the first time. Do you s...[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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Compared with the traditional voltage mode
control
, the fixed frequency peak current mode PWM (Pulse Width Modulation) DC-DC converter has the advantages of good transient response, high o...[Details]
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HMC-ALH444 Supplier HMC-ALH444 How to order HMC-ALH444 Price
The HMC-ALH444 is a GaAs MMIC HEMT low noise broadband amplifier chip that operates between 1 and 12 GHz. The amplifier provides 17...[Details]
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Recently, some domestic wafer fabs have been cut off from the supply of photoresist by Japan's Shin-Etsu Chemical and are facing a shortage situation. In addition, due to the shortage of chips and st...[Details]
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When running a limit point test on a Keysight VNA, the marker value for the point is outside the limit line. However, the limit line pass/fail item shows a "pass" status. Why? A typical situation i...[Details]
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When I first got the Discovery Kit, I thought the MCU measured current directly, but it turns out that it measures current indirectly through voltage. When JP1 is in the ON position, it can provide I...[Details]
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The production process of epitaxial wafers is very complicated. After the epitaxial wafers are developed, nine points are randomly selected from each
epitaxial wafer
for testing. The on...[Details]
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Introduction Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper pr...[Details]
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According to foreign media LetsGoDigital, on the 15th of this month, OPPO submitted at least 22 trademark registration applications to the European Intellectual Property Office. These trademarks are ...[Details]
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July 25, 2022, China -
STMicroelectronics' VNF1048F automotive-grade high-side switch controller integrates enhanced system protection diagnostic functions and STMicroelectronics' I2-t silicon ...[Details]
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The silver thread flies through the long dragon, which is another unique thing in today's world.
On September 26, the Zhundong-Southern Anhui ±1100 kV UHV DC transmission project, which curren...[Details]
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On October 21, Zeng Yunzhong, deputy director of the Standing Committee of the Municipal People's Congress, and his delegation went to Lianjie Chuanwei for research and supervision, and in-depth un...[Details]