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1. Introduction 　　As one of the mainstream technologies of IMT-Advance, TD-LTE will make mobile networks truly enter the era of mobile broadband. Compared with the existing 2G and 3G mobile communi...[Details]

For two consecutive days, Penghui Energy (300438.SZ), an A-share listed company, rose by 20% daily limit, which became a spectacle. This capital carnival also led to the daily limit of some other b...[Details]

The arrangement of LEDs and the specification of LED light sources determine the basic driver requirements. The main function of LED drivers is to limit the current flowing through the LEDs under a ce...[Details]

(Image source: 5GAA official website) According to foreign media reports, the debate over whether to use WiFi or 5G is intensifying in the automotive industry. The way connected cars communicate i...[Details]

Bypass soft starter and online soft starter are two common motor control devices that play different roles in the motor starting process. Understanding their differences is very important for the c...[Details]

1 Introduction Direct digital frequency synthesis (DDS) is a new type of frequency synthesis method in recent years. It has the advantages of fast frequency switching speed, high frequency...[Details]

Gartner, an international research and consulting firm, pointed out that in the second quarter of 2019, global smartphone sales to end users totaled 386 million units, a decline of 1.7%. The slowdown...[Details]

    I also started to get in touch with single-chip microcomputers a few days ago, starting with the most classic and practical 8051. After reading books and materials for a few days, I found that th...[Details]

　    In schools and other units, scattered air conditioners are randomly turned on and off, which causes energy waste. This not only increases the operating costs of the units, but also makes managem...[Details]

On November 11, semiconductor solutions provider Renesas Electronics announced today that it has taken the lead in launching the "8-in-1" proof of concept (Note) (PoC) solution for electric vehicle...[Details]

Recently, Beijing Green Vanadium and Huadian Liaoning Diaobingshan Huadian Clean Energy Company signed a cooperation agreement on the vanadium battery energy storage project. The two parties have c...[Details]

Anti-roll stability system The roll stability system is a device that can prevent the vehicle from tipping over. It can monitor the vehicle's side slip speed when the vehicle is turning on an off-ro...[Details]

The China Semiconductor Industry Association released statistics today, showing that China's integrated circuit industry sales in 2021 were 1,045.83 billion yuan, a year-on-year increase of 18.2%. Am...[Details]

In the wireless headset market, in addition to the growing demand for TWS headsets, there is also a lot of demand for headphones with the advantage of high sound quality. At the same time, with the...[Details]

On July 14, according to the performance forecast for the first half of 2021 released by Shengbang Shares, the company's net profit attributable to shareholders of the parent company in the first hal...[Details]