Switched-mode power supply units are power supply devices of a modern type, they are highly efficient, small sized and have low weight. Switched-mode power supplies…
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Introduction This article is essential for anyone who deals with or has to use a cooling radiator for a particular electronic unit (audio transistor circuits,…
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The energy saving lamps are just Compact Fluorescent Lamps – CFL. The most important advantages of these lamps are: the energy efficiency – they spend…
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Light As we all know light is the visible part of the electromagnetic radiation. The wavelength, which human retina perceives as light, is in the…
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A relay is an electromechanical switch. There are different classifications of relays. The more common ones refer to the controllable quantity: current relays, voltage…
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What is VoIP? This is actually a technology that allows the transmission of voice data over the Internet. VoIP – Voice over internet protocol (IP).…
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Voltage stabilizers are designed to feed constant voltage current to household appliances, incl. refrigerators, air-conditioners, etc. The stabilizer is constructed by means of a toroidal…
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LED tapes invade so quickly our everyday life that now there is hardly anyone who hasn’t seen them somewhere. Most often LED tapes are used…
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Let’s get back to the term inverter, converter, transducer, etc. Actually, these are different names of the same device. In English the most common term…
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The progress of technology and business development bring the need for controlling all the information. The advanced information technology and computer systems necessitate the centralization…
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