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1 Introduction
3G/4G will be an all-IP network, and the bearer network will transform from traditional transmission network to Ethernet transmission. When Ethernet technology is applied to...[Details]
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The current detection circuit is necessary for current mode control. It detects the current on the power switch tube, then outputs a current sensing signal to superimpose the slope compensation signal...[Details]
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1 Breadboard plugged into the 78M12 regulator.
2 Connect one end of a jumper wire to the InP (left) 78M12 regulator pin. Place the other end of the wire or jumper wire on the supply of the b...[Details]
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In early May, TSMC, the world's leading chip foundry, said that starting from 2023, chip foundry prices will increase by 5% to 8% depending on different processes. Subsequently, Samsung also seemed t...[Details]
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I've been working on the STM8S microcontroller recently. How should I put it? I really have a feeling that I didn't meet it earlier. I used 51, AVR, Freescale, and PIC before, and I felt that they we...[Details]
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Speaking of microcontroller memory, you may know RAM and ROM, but how to use it specifically needs to be understood in depth. Today, Tongcheng Chuangpin will come to learn more about the memory of 51...[Details]
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The following is an analysis of the program execution flow:
The program entry is: head.s file, which is mainly the main program entry + copy all (actually not more than 16K), set 6 interrupt vectors,...[Details]
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On the 15th, the Energy Storage Branch of the Zhejiang Energy Industry Federation (hereinafter referred to as the Energy Storage Branch) was established in Hangzhou. It was formed by more than 60 ente...[Details]
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The first step to transform an ATX is to find a power supply. Of course, this power supply must be good! It doesn’t matter if it’s a knockoff, but it’s recommended not to use a too good one, becaus...[Details]
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In 2020, a new round of power system reform entered its fifth year. In accordance with my country's goal of establishing a market system reform with "laws to rely on, separation of government and e...[Details]
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0 Introduction
Urban traffic problems are universal problems in all countries of the world. Intelligent transportation systems are an effective way to solve the increasingly serious urban traff...[Details]
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Recently, an OPPO 5G new phone with model number "PDCM00" was registered with the Ministry of Industry and Information Technology. It has a water drop screen design and a rear vertical quad-camera. I...[Details]
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As the global population ages and the young and middle-aged workforce decreases, countries are facing a serious labor shortage. At the same time, people are increasingly unwilling to engage in repe...[Details]
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1. Analysis of basic technical characteristics of Ethernet power supply
Power over Ethernet (PoE) is a technology that can provide power and transmit data through standard Ethernet cables....[Details]
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In a design that requires multiple op amps, the designer's first instinct is to use dual or quad op amps and then divide the parts based on PCB layout considerations. In many cases this is fine, but ...[Details]