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PC/104 is a bus specifically defined for embedded applications. IEEE defines it as IEEE-P996 1. The signal definition is basically the same as PC/AT, but the gas and mechanical specifications are c...[Details]
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Ultra-thin laptop adapter circuit : 65W, 19.7V, 3.3A, 90–265 VAC input flyback power supply circuit
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Analysis of the corresponding relationship between the open circuit voltage and battery capacity of lithium-ion batteries
First, a table is given: as follows, the percentage is the remainin...[Details]
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On July 9, the International Telecommunication Union (ITU) Wireless Communications Sector (ITU-R) held a meeting and announced that NB-IoT met all indicator requirements and was officially accepted a...[Details]
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Components of a turbine flow meter 1. Components to be measured The turbine has precision machined blades, which together with a set of bearings and reduction gears form a measuring assembly. T...[Details]
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On October 26, 2022, SGS-CSTC Standards Technical Services Co., Ltd. (hereinafter referred to as "SGS") issued the ISO 26262 ASIL B Compliant functional safety product certification certificate to th...[Details]
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0 Introduction
At present, in the papermaking industry, domestic and foreign manufacturers of all sizes still widely use traditional oil heating and steam heating papermaking drying cylinders. ...[Details]
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70% of the world's smartphones are manufactured in China, so the new coronavirus epidemic will affect the global smartphone supply chain and manufacturing capacity. Many technology companies' sup...[Details]
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What are the characteristics and functions of the three-dimensional coordinate measuring machine? In the previous article, we learned about the characteristics and functions of the three-dimensional c...[Details]
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Due to the continued shortage of electricity supply, many provinces and cities have adopted power rationing measures. According to Jiwei.com, several key suppliers of Apple and Tesla have annou...[Details]
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We often encounter such a problem. If we want to buy a powerful but fuel-efficient car, everyone will think that the person who says this is hitting himself in the mouth. But no...[Details]
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This paper introduces some common field test schemes and test purposes of digital TV system. Its working scope includes receiving, demodulating and restoring the transmitted data. The test of digital ...[Details]
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Abstract: DC power supply has made great progress as a test instrument, and many linear DC power supplies with special performance have appeared on the market. This article mainly introduces the ch...[Details]
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Although Apple's stock price is not cheap, now hovering around $500, its market value has already exceeded the $2 trillion mark, and some institutions have even predicted a $3 trillion market value. ...[Details]
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Abstract: An interface circuit uses the Dallas Semiconductor 1-Wire serial bus to provide isolated power and bidirectional communications between a master (MCU) and a sensing element.
Medical and ...[Details]