At 09.59 14/03/2004 +1300, you wrote:
>> 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,
>
>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 = 40 feet
>3" lense = 1 mile
>
>TX cct is 2 pairs of LEDS with 6v feed and 22r in series with each series
>pair of LEDs.
>
>
>I have the article and could scan end send IF you can't find it locally.

Please do it, but only if it's not too much hassle, it would be a very
interesting reading (for me and I guess also for others), but it's impossible
for me to find it here, I live in Italy and it's very hard to obtain foreign
magazines, let away old issues.

Greets and thanks in any case,
Andrea


>
>
>        Russell McMahon
>
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