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In 2022, from the tug-of-war between the epidemic and the economic recovery, we have once again witnessed the strong vitality and explosive power of the Chinese market. In the future, there will st...[Details]
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As the interface device between photovoltaic cells and the power grid, photovoltaic grid-connected inverter converts the electrical energy of photovoltaic cells into AC power and transmits it to the ...[Details]
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The annual Chengdu Auto Show has opened again. Perhaps this year’s auto market has experienced turbulence and involution, and everyone’s new product rhythm has become more scattered. After all, frequ...[Details]
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The interface circuit between 2864A and AT89S51 microcontroller is shown in the figure below. The chip select terminal CE of 2864A is connected to the high address line P2.7. P2.7=0 ca...[Details]
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Surge protection circuit for Ethernet port
Ethernet port lightning protection design requirements:
meet the European CE certification, the US FCC certification and the Japanese V...[Details]
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What is 3S/2S coordinate transformation?
In "What is SVPWM Wave Generation and Its Practical Application", we said: For symmetrical three-phase voltage
The resultant vector in t...[Details]
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Abstract: In view of the need for efficient, low-pollution green power design, a highly reliable, easy-to-maintain, fully functional, and compact power monitoring system is very necessary. This pap...[Details]
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Li Wentao
Head of Akamai's Asia Pacific Cloud Computing Expert Team
The advertising technology industry has long been associated with innovation and change. The wave of ...[Details]
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Ultrasonic flowmeters have the highest sensitivity. Not only do they have strong technical standards in actual use, but they also have precise designs according to the measurement needs of different m...[Details]
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Electronic watt-hour meters use electronic circuits/chips to measure electric energy; use voltage divider resistors or voltage transformers to convert voltage signals into small signals that can be us...[Details]
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When an ARM exception interrupt occurs, the system will jump to the corresponding exception interrupt handler after executing the current instruction. When the exception interrupt handler is executed...[Details]
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The DC DVR device with supercapacitor energy storage combines a bidirectional half-bridge DC-DC converter with a supercapacitor to control the charging and discharging of the supercapacitor through a...[Details]
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Here are some suggestions based on my own development experience: The AD conversion time should be greater than 64us (determined by pre-scaling). If the sampling hold time is short, the acquisition...[Details]
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How to use an analog oscilloscope to detect the output signal of a signal generator? Today, Mr. Chen from Instrument Work Online will briefly explain to you how to use an analog oscilloscope to detect...[Details]
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A typical EMI filter can be used to suppress conducted EMI noise. Common mode noise is suppressed by using double wound toroidal inductors (LCM1 and LCM2). The way these inductors are wound on a si...[Details]
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