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In 2020, antitrust reviews of the technology industry emerged one after another, but the lobbying spending of the top five technology companies in the United States still declined slightly last year....[Details]

 VIAVI Solutions recently released the "Status of 5G Deployment" report, which is the fifth year that VIAVI has released this report. The report shows that despite the impact of the global epidemic, ...[Details]

When measuring small-sized samples, the SuperViewW1 white light interferometer can measure 12mm or even smaller sizes. The standard travel of the XY stage is 140*110mm. The local displacement accurac...[Details]

Recently, Luoyang Thermal Power Plant of Henan Branch signed a framework agreement on cooperative development of new energy projects with Luolong District Government of Luoyang City. Luolong D...[Details]

Target This lab investigates methods of generating a negative reference voltage. A positive reference source or regulator configuration is more common. The traditional method of ge...[Details]

Establish a new type of energy storage power station grid unified dispatching, full network sharing and operation mechanism to improve the utilization efficiency of energy storage power station projec...[Details]

3TVS application circuit diagram Figure 3 TVS application circuit diagram As shown in Figure 3, it is a typical switch...[Details]

　　Although current mirrors and circuits such as the Howland current source are taught as part of analog circuits, there is still a significant number of engineers who prefer to think in terms of volt...[Details]

In the second lecture last time, we explained that the high-frequency components in digital signals are the main reason that affects the performance of digital devices and are prone to noise. There...[Details]

The main frequency of ARM11 is 533 MHz, which can reach up to 667 MHz, which is 10 times higher than the main frequency of ARM7. It has richer on-chip resources, faster processing speed and stronger ...[Details]

Today, Huawei Terminal officially announced that it will hold a new product launch conference on September 3, launching two new Enjoy 20 series phones, Huawei Enjoy 20 and Enjoy 20 Plus, which suppor...[Details]

pid algorithm overview There are two important algorithms in process control: PID feedback algorithm and Kalman state estimation algorithm. PID is mainly used for process control, and Kalman f...[Details]

Understand the impact of DC bias when testing AC signals with a handheld multimeter. Keysight's handheld multimeter has three AC voltage levels, from the initial V level to the mV level, which we d...[Details]

Apple has begun "early work" on a foldable iPhone, according to a new report from Bloomberg's Mark Gurman. Although testing of a foldable ‌iPhone‌ has begun, Apple has not yet committed to releasing ...[Details]

"Next year, Chery will have to be more aggressive in its intelligentization! It must be at the top of the industry!" On October 18, Yin Tongyue, Secretary of the Party Committee and Chairman of Che...[Details]