Articles and Links
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The OCP71 Phototransistor. Chapter eleven of the 1960 Mullard reference manual of transistor circuits. Light Modulation. The utter basics - at least one stage of electronics. Light-Beam Transmitter-Receiver. Designed for speech and music. Speech-on-Light. A simple but effective system. Modulated-Light Transmitter and Receiver. Another successful system. Modulated-Light Broadcast Transmitter. A range of 150 yards with light bulbs. Communication by Modulated Arc Beam. Transmit frequency to 10 kHz and a quarter of a mile range in daylight. A Wide-Band Photophone. Modulation of flourescent tubes on transmit. Part two. Part three. |
David Bowman's Site Great site with technical details Sam's Laser Site Lots of useful facts K3PGP Experimenter's.Corner Another Good American site Laser Communications From Jim Moss, N9JIM/6 N6IZW/W6VR Laser QSO Details of Saturday, June 24, 2000 Experiments in Finland Informative site |