Electronic equipment | Wikipedia audio article

Electronic equipment | Wikipedia audio article

This is an audio version of the Wikipedia Article:

00:03:07 1 Branches of electronics
00:03:44 2 Electronic devices and components
00:04:55 3 History of electronic components
00:06:42 4 Types of circuits
00:07:07 4.1 Analog circuits
00:09:21 4.2 Digital circuits
00:11:47 5 Heat dissipation and thermal management
00:12:30 6 Noise
00:13:18 7 Electronics theory
00:14:10 8 Electronics lab
00:14:57 9 Computer aided design (CAD)
00:15:55 10 Packaging methods
00:17:11 11 Electronic systems design
00:18:00 12 See also

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“I cannot teach anybody anything, I can only make them think.”
– Socrates

Electronics comprises the physics, engineering, technology and applications that deal with the emission, flow and control of electrons in vacuum and matter. The identification of the electron in 1897, along with the invention of the vacuum tube, which could amplify and rectify small electrical signals, inaugurated the field of electronics and the electron age.Electronics deals with electrical circuits that involve active electrical components such as vacuum tubes, transistors, diodes, integrated circuits, optoelectronics, and sensors, associated passive electrical components, and interconnection technologies. Commonly, electronic devices contain circuitry consisting primarily or exclusively of active semiconductors supplemented with passive elements; such a circuit is described as an electronic circuit.
The nonlinear behaviour of active components and their ability to control electron flows makes amplification of weak signals possible. Electronics is widely used in information processing, telecommunication, and signal processing. The ability of electronic devices to act as switches makes digital information-processing possible. Interconnection technologies such as circuit boards, electronics packaging technology, and other varied forms of communication infrastructure complete circuit functionality and transform the mixed components into a regular working system.
Electrical and electromechanical science and technology deals with the generation, distribution, switching, storage, and conversion of electrical energy to and from other energy forms (using wires, motors, generators, batteries, switches, relays, transformers, resistors, and other passive components). This distinction started around 1906 with the invention by Lee De Forest of the triode, which made electrical amplification of weak radio signals and audio signals possible with a non-mechanical device. Until 1950 this field was called “radio technology” because its principal application was the design and theory of radio transmitters, receivers, and vacuum tubes.
As of 2018 most electronic devices use semiconductor components to perform electron control. The study of semiconductor devices and related technology is considered a branch of solid-state physics, whereas the design and construction of electronic circuits to solve practical problems come under electronics engineering. This article focuses on engineering aspects of electronics.

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