Equipment for Education, Engineering and Vocational Training - Fiber Optic Voice Transmitter & Receiver Trainer - Fibre-Optic Voice Transmitter and Receiver Trainer has been designed specifically to learn mysteries and science of Fibre Optics. In a way it is a Lab-Optics Voice Link Trainer. Practical experience on this Trainer carries great educative value for Science & Engineering Students. Experiments: Study of fibre - optic transmitter and receiver for audio signal transmission. Study of fibre - optic transmitter and receiver for voice signal transmission. Features: The Trainer consists of the following built-in parts: Fibre-Optic Transmitter @ 660nm. Audio Amplifier Circuit. 12V & 6V DC at 200mA, IC Regulated power supply internally connected. One mike connector. Potentiometer to vary the current of LED. Fibre - Optic Photo Transistor. Detector Circuit with Speaker of 8 ohms. Mains ON/OFF, Fuse and Jewel Light. A mike to transmit voice. One meter and five-meter PMMA patch cords with in - line adaptor. The units are operative on 230V ±10% at 50Hz A.C. Mains. Adequate no. of Patchcords stackable 4mm spring loaded plug length ½ metre. Good Quality, reliable Terminal/Sockets are provided at appropriate places on Panel for connections / observation of waveforms. Strongly supported by detailed Operating Instructions, giving details of Object, Theory, Design procedures, Report Suggestions and Book References. Other Apparatus Required: Cathode Ray Oscilloscope 20MHz. AF/RF Generator 10Hz to 1 MHz.

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