Fiber-optic link


Posted on Feb 27, 2013

Fiber Optic applications require analog drivers and receivers operating in the megahertz region. This complete analog transmission system is suitable for optical communication applications up to 3 MHz. The transmitter LED is normally biased at 50 mA operating current. The input is capacitively coupled and ranges from 0 to 5 V, modulating the LED current from 0 to 100 mA. The receiver circuit is configured as a transimpe-danee amplifier


Fiber-optic link
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The photodiode with 0 amp per watt responsivity generates a 50 mV signal at the receiver output for 1 /iW of light input.




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