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Explain the basic principle of operation of photo detector. Explain the work of PIN diode and APD as photo detector, also compare their performance.
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written 7.9 years ago by
teamques10
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The photo-diode is in fact a p-n junction put to the exact opposite use as the LED
The variation in current is a function of the incident light
Use of the stimulated absorption of light by the semiconductor material for the generation of electron-hole pairs.
The energy of the absorbed …
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