Consumer Electronics and Computer Systems

Switched-Mode Power Supplies

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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Cooling of semiconductor elements by aluminum radiators

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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Energy saving lamps

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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LED lamps

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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Relays

  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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Internet telephony VoIP

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 stabilizer

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 types

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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Inverter, converter, transducer … What is it and how to use it? part II

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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Windows active directory (AD)- What is it and what can it do?

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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