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Active speaker troubleshooting Whether it is the end of its service life or the active amplifier speaker is not properly maintained (for specific audio maintenance, please refer to "How to mai...[Details]

On October 19, lithography machine manufacturer ASML (ASML) announced its third quarter 2022 financial report. Sales and profits exceeded market expectations, and new net bookings also set a record. ...[Details]

Function of the circuit In a logic system that uses a +5V power supply , such as an analog circuit that uses a +5V unipolar power supply , the accuracy near ...[Details]

Although people often say that honesty is revealed in times of adversity, it is often unrealistic to test human nature in the pursuit of huge profits. Recently, in response to prominent problems su...[Details]

This article is about a portable power bank made by electronics enthusiast fu-80 DIYer. Through the following introduction, I hope it can give you some inspiration, and let's DIY together! 　　Are you ...[Details]

#1 Introduction to various guide systems ##1.1 bios 1 BIOS is the abbreviation of "Basic Input Output System". In fact, it is a set of programs fixed on a ROM chip on the motherboard of the computer....[Details]

The voltage reactive power controller is usually composed of a single-chip microcomputer system, which integrates data acquisition, data processing, control judgment and control output. This make...[Details]

Compared with energy-saving lamps, LED lighting lamps have shown many unique advantages, and are more in line with the concept of "low carbon" and "energy saving". With the technological progress and ...[Details]

　　Many MCU beginners always say when they communicate with me that I am a MCU beginner now, how can I learn MCU faster, is there a market for learning MCU? For this question, I will talk about how I l...[Details]

These circuits can all obtain constant current output on the load resistor RL. The first type is rarely used because RL is floating. The second type is virtual ground, which is also r...[Details]

Winter is here, and the battery level of mobile phones has turned on its metaphysical mode again. I believe that everyone has more or less encountered the following situation. Why does my small mob...[Details]

With the development of society and the improvement of people's living standards, people pay more and more attention to health, but with the improvement of living standards, the incidence of cardio...[Details]

In the 7nm Ryzen 3000 processor and Navi architecture RX 5700 graphics card released by AMD, PCIe 4.0 is an important technological upgrade, and it is the first consumer-grade support. This is very i...[Details]

From the current situation, most access methods still use PC as a gateway to connect. However, this situation is generally used in large-scale industrial distributed control systems. If an ad...[Details]

传统的 射频 (RF) 发送信号链通常使用数模转换器 (DAC) 来生成基带信号。然后，使用射频混频器和本地振荡器将此信号上变频为所需的射频频率。射频 DAC 技术取得进步，现在允许直接以所需的射频频率生成信号，从而显著简化射频发送信号链的设计和复杂性。 High-frequency RF DACs have balanced differential outp...[Details]