ATIS Telecom Glossary
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silicon photodiode
A silicon-based PN- or PIN-junction photodiode. Note 1: Such photodiodes are useful for direct detection of optical wavelengths shorter than approximately 1 m. Note 2: Because of their greater bandgap, silicon-based photodiodes are quieter than germanium-based photodiodes, but germanium photodiodes must be used for wavelengths longer than approximately 1 m. [FAA]

 

 

 

 

 

 

 

 

 

 



 
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