Beam of light receiving circuit diagram

Published:2011/3/27 20:31:00 Author:Ecco | Keyword: Beam of light | From:SeekIC

The AM beam of light is decoded as audio signal by the circuitry, and the driving impedance is at the range of 500~1000Ω in the transistor radio. Adopting the detection transformer, with a 8 Ω small scaled speaker, the gain of amplifier is controled by R3, which can be inching resistor or potential machine. The circuitry is usedas transmitter, and provides amplitude to LED and make language correspondence on the short distance.



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