This trainer is intended to study the analog data transmission principles. Although most fiber optic systems are digital in format, there are few analog applications. Designing an LED / LASER driver for an analog fiber optic system is comparable to designing an electronics CLASS-A amplifier. It must have adequate bandwidth, good linearity, and non-clip for the range of input signals.
This trainer provides a means to study and experiment how an analog signal can be transmitted over a multimode 1000 mm multi-mode plastic fiber cable. Study of Fiber Transmission circuits includes, and Calculation of 3dB bandwidth. This trainer includes an analog transmitter, transmitting media, and a receiver.
The analog transmitter consists of an LED (680 nm) / IR emitter (800nm) as an optical driver. The transmission media is 1000 mm multi-mode plastic fiber cable. The receiver consists of a linear amplifier.
This unit is assembled in an ergonomically designed cabinet, with necessary power supplies and associated emitters, detectors, multi mode transmission cables. You need an optional signal source, Oscilloscope, a high impedance mulitmeter as additional equipment to successfully conducting the above objectives.
Specification:
Types of Transmitters:-
Infra Red : Fiber optic Infra Red 820 nm peak wavelength housed in
FC adapter.
Visible RED : Fiber optic Red 635 nm peak wavelength housed in
FC adapter.
Types of Receivers:-
Photodiode : Peak sensitivity 880nm
Phototransistor : Peak sensitivity 850nm
Connection : Plastic fiber optic package, suitable for PMMA cable,
housed in FC Adapter
Fiber connector : Industry standard FC ? FC connector
Fiber optics cable type : Plastic optical cable, step index, multimode.
Core refractive index : 1.492
Clad refractive index : 1.406
Acceptance angle : Within 60 degrees
Core diameter : 1000mm
Fiber diameter : 2.2mm
Fiber length supplied : 1 meter and 3 meter
Power supply : 12 V
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