Description

Objective

• Voice transmission through optical fiber cable.
• To study transmitter circuit & calculate its output power.
• To study receiver circuit & calculate its input power.
• To study the attenuation of signal between transmitter & receiver end.
• Measurement of numerical aperture.

Specification

• In built IC based Fixed DC Regulated Power Supply +12VDC/100mA.
• On board 1KHz sine wave oscillator provided.
• Input amplifier stage using TL074.
• Optical transmitter
• Optical Receiver
• Low Pass filter given on board.
• AC amplifier given on board.
• Power Amplifier given on board with volume control.
• Circuit diagram is printed on glass epoxy PCB & different combination of resistance.
• Test point are brought out on front panel .

Accessories

• Adequate no of 4mm Patch Cords required for the Experiments.
• Microphone for Voice Transmission.
• Speaker for Voice Receiver End.
• Optical Fiber Cable 1 Meter Length.