project design

Pls can any one in the forum help me with the below project cct design.

This project combines two apparently competing communications methodologies: radio communications and optical communications, . The idea is simple in general terms - an radio frequency signal is carried on an optical/infrared signal from one point to another, and then converted back using photodetection into a radio signal again which can then be detected using a radio receiver. Thanks

by nurafalalu
May 14, 2013

Google is your friend. Search for:

radio over fibre

First hit:

http://en.wikipedia.org/wiki/Radio_over_Fiber

which lists:

http://alexandria.tue.nl/extra2/200512106.

and

http://www.tspd.com.tw/images/fbfiles/files/ROF_for_wireless_comm_Hoon_Kim_.pdf

See also:

http://www.intechopen.com/books/frontiers-in-guided-wave-optics-and-optoelectronics/radio-over-fibre-techniques-and-performance

Have a look at:

https://www.circuitlab.com/circuit/bdxks2/optocoupler-01/

https://www.circuitlab.com/circuit/95w75k/optocoupler-02/

https://www.circuitlab.com/circuit/v28w66/optocoupler-03/

https://www.circuitlab.com/circuit/tne4sa/photodiode-receiver-01/

https://www.circuitlab.com/circuit/3z4qgq/radio-shack-photodetector-01/

For LED drivers, search CL for:

constant current

CL does not have much that is useful to you on laser drivers and modulators.

by signality
May 15, 2013

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