explain photo diod?
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A photodiode is a kind of light detector, which involves the conversion of light into voltage or current, based on the mode of operation of the device.
It consists of built-in lenses and optical filters, and has small or large surface areas. With an increase in their surface areas, photodiodes have a slower response time. Conventional solar cells, used for generating electric solar power, are a typical photodiode with a large surface area.
It consists of built-in lenses and optical filters, and has small or large surface areas. With an increase in their surface areas, photodiodes have a slower response time. Conventional solar cells, used for generating electric solar power, are a typical photodiode with a large surface area.
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The important features of photodiodes are:
Speed/bandwidth
Dark current
Maximum allowed photocurrent
Responsivity
Active area
Speed/bandwidth
Dark current
Maximum allowed photocurrent
Responsivity
Active area
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