Analog Fiber Optic Voice Transmission Demonstrator

SPECIFICATIONS: · ·

• In built IC based Fixed DC regulated power supply +6VDC & ·
• Power requirement: 220 VAC +10% , 50 Hz 3VDC 
• Pre amplifier stages consists of MIC (Microphone), Photo detector, Transistors(548) and biasing network of Resistance and Capacitors.
• Output section having LEDs and speaker, Fiber optic cable for transmission of Signal.
• Circuit diagram printed on Glass Epoxy PCB & different combination of Resistance & test points are brought out on front panel.
• Glass Epoxy PCB used as front panel of 300mm x 220mm & mounted on light weight shock proof plastic cabinet
• Power amplifier stages consists of impedance matching transformers (Driver)
• Transformers), Transistors (8550) & biasing network of Resistance and Capacitors
• Weight : 3.0Kg Approx. Pre amplifier stages consists of MIC (Microphone), Photo
• Dimensions (mm) : 330 (L) x225( B) x 75(H) 

Standard Accessories :

Optical Fiber Cable 2Nos.(1mtr & 10mts Long with Connectors), Mic & Speaker, Wooden assembly to hold Fiber Cable, Graph Paper, Power Chord, Patch Chords & Instruction Manual

Optional Accessories.

• DSO 50 MHz Cat. No. 2105. 
• Digital Multimeter Cat. No. 2104.

• We can perform following experiments :
  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