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1 Introduction
EPS power supply and UPS power supply are increasingly used as backup power supply in society. There are many similarities between them, which can easily cause misunderstandings. Le...[Details]
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Considering that many hot-swap ICs on the market cannot support negative power supply design, this article discusses three solutions for building low-voltage negative power hot-swap circuits. Two o...[Details]
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LCD is the abbreviation of liquid crystal display. Liquid crystal displays are divided into static drive, simple matrix drive and active matrix drive according to the driving mode. Simple matrix dr...[Details]
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The receiver section in the RF Receiver Front-End and Capture Controller Functional Block Diagram shows the block diagram of the RFE in the Hongke HK-R5550. The architecture consists of a superhetero...[Details]
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According to news on August 14, Bloomberg reporter and Apple reporter Mark Gurman shared some information about Apple’s M3 chip last night, and mentioned that the new MacBook Pro models currently par...[Details]
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It has been nearly 20 years since JJG225-2001 "Calibration Regulations for Heat Meters" was released. During this period, the production and calibration of ultrasonic heat meters in my country have u...[Details]
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Since the advent of the switch mode power supply (SMPS) in the 1960s, there have been several technologies that I think have gotten designers excited: magnetic integration (70s), soft switching (70s)...[Details]
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In recent years, in addition to new energy, the hottest topic in the automotive field is autonomous driving. The two have similarities. They are both in the development stage and are not recognized. ...[Details]
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Keil C51 storage area is divided into two types: program storage area and data storage area. 1. Program storage area (Pragram Area): To store the declared data in the program storage area, you ca...[Details]
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Transient voltage protection
The AD5422 has internal ESD protection diodes to prevent damage from normal operation. However, industrial control environments can subject the I/O circuits to much h...[Details]
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The main factors that affect the reliable and safe operation of the single-chip microcomputer system mainly come from various electrical interferences inside and outside the system, and are affected...[Details]
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March 1 news, foreign media Windows Latest reported that Surface Duo is Microsoft's first dual-screen mobile phone launched in the United States and Europe. Surface Duo received mixed reviews, and ac...[Details]
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Serial interface structure of 8051 microcontroller The serial interface of 8051 microcontroller is a programmable full-duplex serial communication interface. It can be used as an asynchronous commu...[Details]
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According to the manual of mini2440, I have learned that the construction process of uboot, kernel and root file system is as follows. The specific details are not considered for the time being, only...[Details]
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On October 24, OPPO, the world's leading smart terminal manufacturer,
released its latest flagship mobile phone Find X8/X8 pro, which features a thin and light straight screen and imaging flags...[Details]
Analog electronics
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