Semiconductor Diode

Authored by: Bogdan M. Wilamowski

The Industrial Electronics Handbook

Print publication date:  March  2011
Online publication date:  April  2016

Print ISBN: 9781439802793
eBook ISBN: 9781439802809
Adobe ISBN:

10.1201/b10602-11

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Abstract

The pn semiconductor junctions exhibit nonlinear current–voltage characteristics, and they are used to rectify and shape electrical signals ([1],[3],[4],[5]). Exponential current–voltage characteristics are sometimes used to build logarithmic amplifiers. The thickness of the depletion layer depends on applied reverse voltage, and the voltage-dependent capacitance can be used to tune frequency characteristics of electronic circuits [2]. There are over 20 different types of diodes using different properties of pn junctions or metal–semiconductor junction properties [7]. Some of these special diodes are described in Section 8.6.

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