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In traditional active
PFC
, the AC input passes through the diode bridge rectifier after EMI filtering, but there is power dissipation during the rectification process, which includes the los...[Details]
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Ⅰ. Write in front Before studying this article, you can check out my previous articles: STM32CubeMX introduction, download and installation STM32CubeMX usage and function introduction STM32CubeMX...[Details]
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Mouser now sells mobile phone for cellular and Wi-Fi applications Linx Technologies IPW Series Outdoor Antennas February 17, 2023 – Mouser Electronics now offers Linx Technologies’ IPW series of ...[Details]
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Download the schematic used in this program: click here. The microcontroller chip used is stc89c52; just find the schematic diagram of the dot matrix part. This is the circuit diagram of the entire ...[Details]
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The electromagnetic flaw detector uses a single-core armored cable, which is not only the power supply cable of the downhole instrument, but also the communication cable between the downhole instru...[Details]
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What are the causes of noise?
The best way to eliminate noise often depends on the source of the noise and the specific situation. Here are some common ways to reduce or eliminate noise:
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Circuit principle: The figure shows the circuit principle of the audio therapy instrument. Transistor VT1 and R, C phase shift circuit form a sine wave oscillator with an oscillation frequency of ...[Details]
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Concept of single-phase motor control circuit
There are two main types of single-phase motor control circuits:
1. Single-phase induction motor control circuit with auxiliary switch: This ...[Details]
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Looking at the current market, high-power liquid-cooled charging piles using third-generation semiconductors can achieve a maximum power of 600kW, and 480kW high-power charging piles are already in...[Details]
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introduction
As railway transportation develops towards high speed and high density, safety work will become more important. Once an accident occurs, it will not only interrupt the driving and...[Details]
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Recently, we learned from the Model 3 WeChat owner group that Tesla has begun inviting some domestic owners to participate in the confidential internal testing of the NOA (Navigate on Autopilot) ...[Details]
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Tesla officially released its first electric pickup truck, Cybertruck, at its headquarters in Los Angeles, USA. The silver metallic luster, fully enclosed body, and shuttered trunk cover - the Cybe...[Details]
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This experiment demonstrates the example of our Yitian version development kit small speaker making an ambulance sound. You can directly compile this file, burn it into the 89s51 we deliver, and t...[Details]
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China Energy Storage Network News
: The "Hunan Provincial Key Laboratory of Ubiquitous Power Internet of Things" applied by State Grid Hunan Communications Company has recently been officiall...[Details]
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Currently, Voice over IP (VoIP) technology is becoming more and more popular, and the volume of voice communication through the Internet is also increasing. The current low-bitrate voice compressi...[Details]