===== Electronics =====

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[[http://www.phycity.com/doku.php?id=bsc:electronics:viewer&f=http://www.phycity.com/files/bsc/electronics/dn.php?file=1_semiconductor_materials|Semiconductor Materials]]   \\
Semiconductor materials are nominally small band gap insulators. The defining property of a semiconductor material is that it can be doped with impurities that alter its electronic properties in a controllable way.
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[[http://www.phycity.com/doku.php?id=bsc:electronics:viewer&f=http://www.phycity.com/files/bsc/electronics/dn.php?file=2_pn_junction_diode|PN Junction Diode]]\\
A p–n junction is formed at the boundary between a p-type and n-type semiconductor created in a single crystal of semiconductor by doping.
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[[http://www.phycity.com/doku.php?id=bsc:electronics:viewer&f=http://www.phycity.com/files/bsc/electronics/dn.php?file=3_applications_of_pn_junction_diode|Applications Of PN Junction Diodes]]\\
P-N junction diodes are widely used in almost all electronic circuits.
Solar Cells,Rectifiers,Invertors have pn junction diodes as the basic component.
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[[http://www.phycity.com/doku.php?id=bsc:electronics:viewer&f=http://www.phycity.com/files/bsc/electronics/dn.php?file=4_transistors|Transistors]]\\
A transistor is a semiconductor device used to amplify and switch electronic signals and power. It is composed of a semiconductor material with at least three terminals for connection to an external circuit.
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{{tag>BSc BSc_Notes_Electronics}}