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Electronics is a scientific and engineering discipline that studies and applies the principles of physics to design, create, and operate devices that manipulate electrons and other electrically charged particles.
The electronics industry is the economic sector that produces electronic devices. It emerged in the 20th century and is today one of the largest global industries. It emerged in the 20th century and is today one of the largest global industries.
Principles of Electronics is a 2002 book by Colin Simpson designed to accompany the Electronics Technician distance education program and contains a concise and practical overview of the basic principles, including theorems, circuit behavior and problem-solving procedures of Electronic circuits and devices.
Power electronics is the application of electronics to the control and conversion of electric power. The first high-power electronic devices were made using mercury-arc valves . In modern systems, the conversion is performed with semiconductor switching devices such as diodes , thyristors , and power transistors such as the power MOSFET and IGBT .
Its lesser size and power compared with electron tubes brings (from 1955) portable radio receivers starting its march through all areas of electronics. The Hungarian-American physicist Peter Carl Goldmark (1906–1977) invents the vinyl record (first published 1952), much less noisy than their predecessors shellac. Thanks to micro-groove (100 ...
Electronics engineering as a profession emerged following Karl Ferdinand Braun´s development of the crystal detector, the first semiconductor device, in 1874 and the identification of the electron in 1897 and the subsequent invention of the vacuum tube which could amplify and rectify small electrical signals, that inaugurated the field of electronics.
The following outline is provided as an overview of and topical guide to electronics: Electronics – branch of physics, engineering and technology dealing with electrical circuits that involve active semiconductor components and associated passive interconnection technologies.
Also for advanced undergraduate level, the textbook Fields and Waves in Communication Electronics by Simon Ramo, John Whinnery, and Theodore Van Duzer is considered as standard reference. [160] [161] Traditional differences between a physicist's point of view and an electrical engineer's point of view in studying electromagnetism have been noted.
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