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1. Control circuit function of variable frequency speed regulation system
Taking the speed control by external potentiometer as an example, the control circuit is shown in Figure 1. Among them...[Details]
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Signal source refers to devices such as radio head, high frequency head, recording cassette, video cassette. Microcomputer and auxiliary equipment complete functions such as signal extraction, digita...[Details]
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The Verge reported that the British government announced on Friday that it would invest $500 million to acquire a "significant stake" in OneWeb, a space exploration company, as part of a consortium i...[Details]
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Through its deep cooperation with TSMC, AMD has successfully grabbed more market share from its long-time rival Intel. Thanks to this reliable supply chain partner that can ship advanced products in ...[Details]
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Recently, the "new infrastructure" with 5G as the core is in full swing: 5G base station construction UHV Intercity high-speed railway and intercity rail transit New energy vehicle chargi...[Details]
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After the State Grid Corporation of China determined the development plan of smart grid in July 2009, the development of smart grid has become a key development area in my country. According to the ...[Details]
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introduction
When an electric field is applied to a crystal or liquid, the refractive index of the crystal or liquid changes. This phenomenon is called the electro-optic effect. The electro-op...[Details]
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1. Instrument Model Keysight/Agilent 8722ES Network Analyzer 2. Fault phenomenon Self-test error: phase lock CAL failed 3. Testing process After testing, it was found that the instrument reported a...[Details]
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Jiwei.com reported on June 2 that OnePlus today launched the OnePlus 9 Pro Hajime Sorayama Silver Limited Edition Gift, limited to 1,500 pieces worldwide, which includes OnePlus 9 Pro Silver, a limit...[Details]
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Acquisitions are a significant source of innovative consolidation in the tech industry. Recently, there has been a trend toward RF-focused acquisitions. What does this mean for electronics engineers ...[Details]
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The electrical system is included in
the scope of
DCS
monitoring
According to the operation and electrical control characteristics of the unit, the control...[Details]
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News on the morning of December 4th, as of today, Apple has held four online press conferences and updated the second generation of iPhone SE on its official website in the spring, but... it’...[Details]
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In recent years, with the rapid development of Xiamen Special Economic Zone, the acceleration of the integration of urban construction on and off the island, the growth of population, the urban water ...[Details]
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BOE, CSOT and Samsung Display are said to be developing OLED panels for Samsung Electronics' Galaxy A73 smartphone, which it plans to launch next year. Samsung will evaluate the OLED panels from the ...[Details]
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Wireless Sensor Network WSN (Wireless Sensor Network) is a network composed of sensor nodes that can monitor, sense and collect various information of sensing objects of interest to observers in the ...[Details]
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