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This article will introduce the structure of a multimeter and how to use it. Comrades should strive to learn to use a multimeter. 1. Observe and understand the structure of the multimeter. Th...[Details]
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Traffic lights are a kind of traffic safety management facility. Traditional traffic lights are mainly composed of power supply, light source, lamp housing, reflective bowl (i.e. parabolic reflecto...[Details]
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Question 1 It is known that the serial communication port of the 51 single-chip microcomputer is in serial port mode 1 and the baud rate is 9600bps. The system crystal frequency is 11.0592MHZ. What ...[Details]
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EEPROM data organization: EEPROM devices divide their storage matrix into pages: The AT24C02 EEPROM is divided into 32 pages, and each page can store 8 bytes of data. If more than 8 bytes are writ...[Details]
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Qualcomm Technologies Inc. today launched the Qualcomm Snapdragon™ 7c 2nd Generation Computing Platform, the company's 2nd generation entry-level platform, which will bring efficient performance and ...[Details]
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The three main limitations of oscilloscopes are: insufficient sensitivity, too small an allowable range of input voltage, and limited bandwidth.
Except for special occasions where signal sensitivity ...[Details]
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Abstract: This paper studies a new type of high-frequency switching charging power supply suitable for the DC system of substations, explains the design principles of the main circuit and control syst...[Details]
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A mixer should have low noise and high dynamic performance. Most standard mixers use an inverting op amp. Unfortunately, many op amps have a poor noise figure. Op amps with good noise figures are u...[Details]
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关于纳米级处理器和其它超大规模集成电路的有效功耗和电源完善管理的文献已经有好多了。在使用90纳米及以下的先进工艺生产的器件中，电源噪声增益的显著下降导致了无法被传统的查实和确认方法测量的电量损失和定时问题。在低压电源的前提下提升电流密度与供电电路的阻抗相结合产生的芯片内外电源的巨大变化在 中被称为电压消沉。虽然在半导体器件的微缩进程中，可以通过进一步降低供电电压来减少静态和动态功耗，但之前的因素使...[Details]
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In life, we often come into contact with many different types of gas detectors. The styles and types of these gas detectors are different, and of course their effects are also very dif...[Details]
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introduction
With the development of power electronics technology and devices, especially the emergence of new devices such as power MOSFET, IGBT, MCT, IPM and monolithic integrated p...[Details]
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The probe is the first step for us to observe the waveform. It is an electronic component that connects the device under test to the input of the oscilloscope. Engineers use it every day to capture w...[Details]
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If we want to popularize new energy vehicles on a large scale, the range and charging speed are the number one issues that must be addressed. According to Korean media reports, the Korea Institute ...[Details]
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Today, Huami Technology held its 2019 Strategic Media Communication Conference. Huang Wang, founder, chairman and CEO of Huami Technology, shared Huami's achievements in the wearable field over the p...[Details]
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Abstract: Based on the Tail-biting convolutional code of Long Term Evolution (LTE), the Viterbi decoding algorithm is introduced, which is an optimal convolutional code decoding algorithm. Due to...[Details]
Power technology
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