LINK-A is a Fiber Optic Trainer Kit designed to learn fundamentals of fiber optics including properties of transmitter & receiver, characteristics of fiber optic cable, LED’s & Detectors, various types of Modulation/ Demodulation techniques and PC to PC Communication by serial method. Ample number of experiments can be performed with this by referring to exhaustive manual provided with the kit. This manual contains excellent documentation on each & every experiment, data sheets of optical components used & circuit diagram of the complete kit.

FEATURES:
• Fiber Optic Transmitter: 2 wavelengths (660nm & 950nm).
• Fiber Optic Receiver: 2 types. (PIN Photodiode, Phototransistor detector).
• On-board Function Generator 1Hz to 10KHz.
• Fiber Optic Analog Link.
• Fiber Optic Digital Link.
• Modulation Techniques:
• Direct Intensity Modulation.
• Frequency Modulation.
• Pulse Width Modulation (PWM).
• Pulse Position Modulation (PPM).
• Voice Communication.
• PC to PC Communication using RS-232 standard.
• Switch Faults.

LIST OF EXPERIMENTS:
• Setting up a Fiber Optic Analog Link.
• Study of losses in Optical Fiber:
• Measurement of Propagation Loss.
• Measurement of Bending Loss.
• Study of characteristics of Fiber Optic LED & Detector.
• Measurement of Numerical Aperture.
• Study of Frequency Modulation & Demodulation using Fiber Optic Link.
• Setting up a Fiber Optic Digital Link.
• Study of Modulation & Demodulation of light source by Pulse Width Modulation (PWM) techniques.
• Study of Modulation & Demodulation of Light source by Pulse Position Modulation (PPM) techniques.
• Forming PC to PC Communication Link using Optical Fiber and RS-232 Interface.
• Setting up a Fiber Optic Voice Link.
• Switch Faults.