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1. Background A user in a certain area reported a variable frequency air conditioner, which would trigger high temperature protection in heating mode at an outdoor ambient temperature of 23°C. The us...[Details]
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The central control system uses multi-machine communication technology and system integration technology to combine the controlled devices according to the actual operation requirements of the use...[Details]
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Recently, Intel announced the launch of the world's largest neuromorphic system, code-named Hala Point. It was initially deployed at Sandia National Laboratories and built on Intel's Loihi 2 neurom...[Details]
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Recently, Zhejiang Science and Technology Department announced the first batch of Zhejiang Province's new product plan projects in 2014. Nine types of ultra-fine grinding equipment developed by Zhe...[Details]
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ON Semiconductor (Nasdaq: ON), driving energy efficient innovations, has introduced a new, integrated, converter-inverter-power factor correction (PFC) module for driving motors in applications such ...[Details]
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At present, there are many inverter models on the market. In order to simplify management and explore the advantages of centralized procurement, many EPC manufacturers often use limited inverter mo...[Details]
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The 555 timer (IC1) generates a 120Hz signal which is fed into a CD4013BE flip-flop (IC1-a), which splits the input frequency in two to produce a 60Hz clock frequency for the FET array (Q1 to Q6). Tr...[Details]
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When selecting a digital-to-analog converter (DAC), designers can choose from a wide variety of ICs. DACs can be divided into many different categories for specific applications. However, the divisio...[Details]
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Computerization of automobiles is developing rapidly and has become an indispensable part of improving automobile safety technology and CO2 and NOx emission control technology. ECUs equipped with micr...[Details]
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First, improper use by users
When the user of the gas alarm uses the gas detector , the air conditioner and heating equipment are installed close to the combustible gas detector. When the air con...[Details]
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According to the currently known information, Apple’s iPhone 14 series is expected to have four models, including a 6.1-inch iPhone 14, a 6.7-inch iPhone 14 Max, a 6.1-inch iPhone 14 Pro and a ...[Details]
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Application
At present, power grid companies usually require that photovoltaic grid-connected systems
be non-reversible power generation systems, that is,...[Details]
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At present, there are three mainstream solutions for mobile phone chargers, namely, integrated PWM controller solution, RCC solution and discrete PWM controller solution. Figure 1 is a typical...[Details]
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Automatic test systems are the basis for high-frequency testing of 5G, next-generation WiFi, and satellite communication systems, and programmable RF equipment such as digital step attenuators, phase...[Details]
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#include "REG51.H" #include "INTRINS.H" typedef unsigned char BYTE; sbit SCLK = P1^0; //DS1302时钟口P1.0 sbit IO = P1^1; //DS1302 data port P1.1 sbit RST = P1^2; //DS1302 chip sele...[Details]
Analog electronics
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