Author Topic: need help to fully understand light sensing circuit  (Read 690 times)

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Offline ravni2

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need help to fully understand light sensing circuit
« on: May 13, 2014, 02:31:46 am »
hi, need help to understand why there is a amplifiction of a lightsignal( around 20khz) ,sensed by the fotodiode( D5), at v2?

 


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