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Widely used in the automotive and industrial fields for testing and measuring liquid level, distance, flow, etc. Elmos, a German semiconductor technology system solution provider, recently demonst...[Details]
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Clamp ammeter and multimeter are both necessary equipment for electricians. The two instruments have different functional emphases. Clamp ammeter focuses on measuring high current circuits while mu...[Details]
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According to foreign media reports, commercial fuel cell supplier Ballard Power Systems and Tier 1 automotive supplier MAHLE will develop a new fuel cell system concept for long-distance trucks. It i...[Details]
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1 Design Concept and Principle 1.1 Design Concept With the rapid development of technology in the field of digital home, there will be more and more value-added services on multimedia terminals. Brow...[Details]
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On May 27, the official website of the Ministry of Industry and Information Technology issued a document, publicly soliciting opinions on five mandatory national standards, including the "Safety Re...[Details]
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Recently, several leading U.S. photovoltaic companies, including SunPower, SolarCity, and SunEdison, have announced their entry into the grid energy storage market through acquisitions or independe...[Details]
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With the development of power conversion technology, power MOSFET is widely used in switching converters. For this reason, Silieon General Semiconductor Company (Silieon General) of the United St...[Details]
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first part. Introduction to microcontroller MSC-51 microcontroller refers to a microcontroller with 8051 as the core. It was launched by Intel in the United States in 1980. 80C51 is a typical variety...[Details]
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The basic function of UPS is to provide high-quality, uninterrupted power output for the load. Unfortunately, as an electronic device, UPS itself has no fault tolerance. Although the traditional on...[Details]
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introduction
With the advent of the information age and the digital world, digital signal processing has become an extremely important subject and technical field today. Digital signal processi...[Details]
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In the early morning of January 26, the well-known whistleblower @OnLeaks revealed the renderings of Samsung’s new flagship Galaxy S11+. Judging from the renderings, the front of the Galaxy S...[Details]
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Hengxuan Technology is a SOC chip developer founded on June 8, 2015. Its legal representative is Zhang Liang. Its main products are audio system-level chips with WIFI/BT wireless connections. Its pro...[Details]
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Voltage Controlled Amplifier (VCA) using a variable conductance amplifier
Function of the circuit
The voltage controlled amplifier (VCA) can use an external DC voltage to adjust its gain. Ther...[Details]
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According to foreign media reports, the US mobile phone giant Apple recently told the media that the company may withdraw from the UK mobile phone market in protest of the British court. According to...[Details]
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Healthcare is no longer exclusive to hospitals; it is becoming increasingly relevant to people’s daily lives. Medical devices are evolving from portable to wearable, which means they should be abl...[Details]