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Featured Circuit of the Week

50Mhz Broad Band Optical Fiber Receiver Version A
If the above circuit it still too slow, you can try this circuit. What it lacks in sensitivity it makes up for in speed. The circuit attaches a plastic fiber optic PIN photodiode assembly to a small box containing a small 3v battery and a standard BNC..
..

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Faraday Switches are tiny one inch cube electronic modules using a capacitance change technique.  They draw very low current and are ideal for battery powered applications. 
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David A. Johnson, P.E. is an electronics engineer with over 30 years
practical experience in the areas of analog & digital design, fiber optics
and RFID.  Electronics is his vocation, hobby and passion. 

He is a published author with articles and designs in EDN, Electric Design, and Popular Electronics.   Throughout his career, Dave's imaginative approach to design has resulted in applying new technologies
in creative and cost saving ways. 


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