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The U.S. Federal Trade Commission and the U.S. Justice Department are investigating allegations that TikTok failed to fulfill a 2019 agreement aimed at protecting children's privacy, two sources told...[Details]
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In the first quarter of 2020, global silicon wafer shipments totaled 2,920 million square inches (MSI), up 2.7% from 2,844 million square inches in the fourth quarter of 2019 and down 4.3% from the s...[Details]
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Some applications require more visual effects than simply turning an LED on and off. For example, a laptop computer can flash the power LED when the device is in standby mode, changing the brightness...[Details]
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Ultrasonic welding
Ultrasonic welding uses high-frequency vibration waves to transmit to the surfaces of two objects to be welded. Under pressure, the two surfaces of the objects rub against e...[Details]
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Optocoupler:
An optocoupler, photocoupler, or opto-isolator is a component that uses light to transfer an electrical signal between two isolated circuits. Opto-isolators prevent high vol...[Details]
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Chargers are closely related to people's daily lives. The charging performance of chargers is closely related to the service life and charging efficiency of the charged batteries. Due to changes in...[Details]
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Shiqiang further expanded its products including power management ICs, automotive-grade inductors, crystal oscillators, fuses, discrete devices, etc., and signed an agency agreement with leading IC d...[Details]
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1. Why does STM32 have multiple clock sources? First of all, STM32 itself is very complex, with many peripherals, but not all peripherals require such a high frequency as the system clock. For exampl...[Details]
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1. LED dot matrix luminescence principle The structure diagram of 8*8 monochrome microcontroller is as follows: https://blog.csdn.net/weixin_42625444/article/details/90897605 It is easy to see ...[Details]
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Take the French JBL 907Be bookshelf speaker as an example:
1. Power handling: 90W
2. Frequency response: 50-37KHZ-3dB
3. Impedance: 8 ohms
4. Sensitivity: 89dB
5. Net weight: ...[Details]
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The cutting method and the sleeve ring method are highly destructive in measuring residual stress. Therefore, the blind hole method is currently used more often in welding parts and castings. The blin...[Details]
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On November 10, the single-unit output power of flywheel energy storage in the Inner Mongolia Autonomous Region's major science and technology project "Research on Key Technologies of MW-level Adva...[Details]
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New IGBT technology improves application performance
In the growing inverter market, many manufacturers offer converter types with different performance and size. This is exactly where the...[Details]
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Summary A standalone PD controller can help address design challenges such as solution size and cost by managing power issues without the need to develop firmware. This article will briefly descri...[Details]
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Recently, domestic and foreign automakers have successively released plans to mass-produce all-solid-state batteries for the next five years. When will the "first year of mass production" for all-s...[Details]
Analogue and Mixed Signal
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