Hello,
it seems to me very interesting, can you send to me this article, please =
?
Thank you
JK

Russell McMahon a =E9crit:

>>I'd like to build myself a Long-Range, Low-Power IR Transceiver.
>>I know that the "long range" and "low power" may seem contraddictory,
>>   =20
>>
>
>The following is NOT a low power design but will show you what can be
>achieved and give many practical pointers.
>
>"Light Beam Communicator. Build the air hop an inexpensive system that
>communicates with light"
>Rodney A Kreuter
>Electronics Now, December 1992, pp 51-64
>
>PIN diode RX
>LED TX
>1 mile this design.
>2 to 6 miles possible (article explains)
>5mW mean optical output
>50 kHz carrier
>300 to 300 Hertz audio
>
>No lense =3D 40 feet
>3" lense =3D 1 mile
>
>TX cct is 2 pairs of LEDS with 6v feed and 22r in series with each serie=
s
>pair of LEDs.
>
>
>I have the article and could scan end send IF you can't find it locally.
>
>
>        Russell McMahon
>
>--
>http://www.piclist.com hint: The list server can filter out subtopics
>(like ads or off topics) for you. See http://www.piclist.com/#topics
>
>
> =20
>


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