Optical Fiber Data Transmission Coupling Circuit

Published:2011/5/17 1:21:00 Author:Sharon | Keyword: Optical Fiber, Data Transmission, Coupling | From:SeekIC

The first step is to transform input analog signal to frequency signal through input voltage frequency converter V/F and then send it to optical fiber by light-emitting diodes. The length of optical fiber or polystyrene rod depends on the separative voltage between digital or analog signals and the photodiode. Photodiode can drive a 100mA output operational amplifier A1, and can further drive cables, relays, or loudspeaker after being amplified byop-amp A2. LEDs can apply MV50 with output amount to 200mA. A1 can apply RC301 operational amplifier, and A2 RC311 can use operational amplifier.



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