http://www.imagineeringezine.com/ttaoc/r-circuits.html
high speed fiber optic transmitters and receivers give challenges also to electrical design on circuit board
http://www.commsdesign.com/main/9808fe3.htm
converts current from a PIN photo diode to a voltage with bandwidth that extends beyond 50MHz
http://www.imagineeringezine.com/e-zine/hcircuits.html
simple broad band light detector that uses a very inexpensive IC and a PIN photodiode that is packaged for use with plastic optical fibers, bandwidth from 1KHz to over 5MHz
http://www.imagineeringezine.com/PDF-FILES/5mhzfbvr.pdf
circuit attaches a plastic fiber optic PIN photodiode assembly to a small box containing a small 3v battery and a standard standard BNC plug designed to be plugged into to the input of an oscilloscope with a 50 ohm termination resistor, can detect light p
http://www.imagineeringezine.com/PDF-FILES/50mrvr1.pdf
If you need more sensitivity than the 5mhz circuit this circuit provides about ten times more gain. It too is designed around an inexpensive plastic optical fiber detector.
http://www.discovercircuits.com/PDF-FILES/2mhzrvr1.pdf
designed around an inexpensive plastic optical fiber detector and provides quite much gain
http://www.imagineeringezine.com/PDF-FILES/2mhzrvr1.pdf
This circuit is a simple broad band light detector that uses a very inexpensive IC and a PIN photodiode
http://www.discovercircuits.com/PDF-FILES/5mhzfbvr.pdf