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Definition of "Photodiode" |
A reverse biased diode that is sensitive to incoming light. / A light-controlled PN junction. Current flow increases when the PN junction is exposed to an external light source. A semiconductor diode that produces, as a result of the absorption of photons, a photovoltage or free carriers that support the conduction of photocurrent. Photodiodes are used for the detection of optical communication signals and for the conversion of optical power to electrical power. Also Diode Manufacturers. A diode that is intended to be responsive to radiant energy. / a semiconductor diode that changes its electrical characteristics in response to illumination. |
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