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If you want to make a good LED lighting product, you must know the most critical parts, which are light distribution, structure, and electronics. Light distribution, structure, and electronics ar...[Details]
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On March 9, the National Energy Administration issued the "Twenty-Five Key Requirements for Preventing Power Production Accidents (2023 Edition)", which put forward key requirements for fire accide...[Details]
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Most cell phones today use the Time Division Multiple Access (TDMA) standard, a multiplexing technique that modulates a high-frequency carrier wave with on/off pulses at 217 Hz. An IC that is suscepti...[Details]
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1 Introduction
I used a PGJ1-5 reactive power compensation panel in a 400V switch room. The panel contained 10 BCMJ parallel capacitors, each with a rated output of 16kVar, a rated voltage...[Details]
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Voltage Conversion at Low Energy Levels
Voltage conversion at low energy levels
This article will introduce a new class of DC-DC converters, one example of which is th...[Details]
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The long life of LED is based on its safe working environment. For LED lighting, there are two main threats that affect its life: one is overcurrent shock, that is, the current applied to the LED e...[Details]
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According to reports on December 8, according to reports from the Associated Press, Daily Economic News, etc., during the Lenovo Group’s “AI PC Industry Innovation Forum” on December 7, Intel China T...[Details]
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On December 11, multiple foreign media reported that ASML released a process roadmap for Intel for the next 10 years at the recent IEEE International Electron Devices Meeting (IEDM), which shows that...[Details]
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In the AT89S51 single-chip microcomputer application system, some occasions need to reduce costs and reduce size. At this time, TTL circuits, CMOS circuit latches or tri-state gate circuits can als...[Details]
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You can easily measure the neutral wire and live wire in your home with a multimeter, as long as you use the AC voltage range of a digital multimeter, clamp multimeter, or pointer mechanical multim...[Details]
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About Wireless Remote Transmission System
At present, there are four main ways to read meters: manual meter reading, IC card meter reading, wired remote meter reading, and wireless remote meter r...[Details]
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As the name suggests, automotive-grade chips must meet certain technical standards for vehicles. The two words "automotive-grade" fundamentally limit the long cycle of a chip from production to testi...[Details]
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The basic principle of asynchronous serial communication is point-to-point asynchronous communication, no clock line and no address, low level as the start bit, high level idle, the communicating par...[Details]
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Testing jitter is commonly used in testing data communication ICs or testing telecommunication networks. Jitter is the difference between the edges of a digital signal that should be present and the e...[Details]
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It is a common problem that the voltage is too low when the motor starts, which will cause difficulty in starting the motor, reduce efficiency and even damage the motor. In order to solve this prob...[Details]
PCB Design
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