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Electronic engineering – BASIC ELECTRONICS TUTORIAL

Electronics Engineering

Electronic engineering is a professional discipline that deals with the behavior and effects of electrons (as in electron tubes and transistors) and with electronic devices, systems, or equipment. The term now also covers a large part of electrical engineering degree courses as studied at most European universities. Its practitioners are called electronics engineers in …

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Resistor – BASIC ELECTRONICS TUTORIAL

SMD resistor

Resistor Resistor symbols (US and Japan) Resistor symbols (Europe, IEC) A resistor is a two-terminal electrical or electronic component that resists an electric current by producing a voltage drop between its terminals in accordance with Ohm’s law. (Certain ultra-precise resistors have 2 extra terminals, for a total of 4.) Applications • In …

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Vacuum tube – BASIC ELECTRONICS TUTORIAL

Vacuum tubes on a Philco model 20 tabletop radio set.

In electronics, a vacuum tube or (thermionic) valve (outside North America) is a device generally used to amplify, or otherwise modify, a signal by controlling the movement of electrons in an evacuated space. For most purposes, the vacuum tube has been replaced by the much smaller and less expensive transistor, either as a …

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Electronics theory – Basic electronics tutorial

Mathematical methods in electronics

Mathematical methods in electronics  Mathematical methods are integral to the study of electronics. To become proficient in electronics it is also necessary to become proficient in the mathematics of circuit analysis. Circuit analysis is the study of methods of solving generally linear systems for unknown variables such as the voltage at a …

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Introduction – Basic electronics tutorial

Electronics

Electronics The field of electronics comprises the study and use of systems that operate by controlling the flow of electrons (or other charge carriers) in devices such as thermionic valves and semiconductors. The design and construction of electronic circuits to solve practical problems is an integral technique in the field of electronics engineering …

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Classifications of power electronics

Power_devices_family

Classifications A power device may be classified as one of the following main categories (see figure 1): A two-terminal device (e.g., a diode), whose state is completely dependent on the external power circuit to which it is connected. A three-terminal device (e.g., a triode), whose state is dependent on not only its …

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