Elementary Fiber Optics Trainer​
Features:-
Simplex Analog and Digital Trans receiver
660 nm channel with Transmitter & Receiver
AM-FM-PWM modulation / demodulation
On board Function Generator
Crystal Controlled Clock
Functional Blocks indicated on-board mimic
Input-output & test points provided on board
On board voice link
Built in DC power supply
Numerical Aperture measurement jig and mandrel for
bending loss included
Switched faults on Transmitter & Receiver
Operating manual contains theory of Fiber Optics
Technology, experiments and glossary of Terms
Experiments that can be performed
Experiments that can be performed:
Setting up Fiber Optic Analog & Digital Link
AM system using Analog & Digital Input Signals
Frequency Modulation System Pulse Width Modulation System
Study of Propagation Loss in Optical Fiber
Study of Bending Loss
Measurement of Numerical Aperture
Characteristics of E-0 Converter (LED)
Characteristics of Fiber Optic Communication Link
Setting of Fiber Optic Voice Link using Amplitude,
Frequency & PWM Modulation
Study of Switched Faults in AM,FM & PWM system
Propagation loss using Optical Power Meter
Technical Specifications:
Transmitter:
1 No., Fiber Optic LED having peak
wavelength of emission 660 nm
Receiver:
1 No. Fiber Optic Photo detector
Modulation Techniques:
AM 2. FM 3.PWM
Drivers:
1 No. with Analog & Digital modes
Clock:
Crystal Controlled Clock 4.096 MHz
PLL Detector:
1 No.
AC Amplifier:
1 No.
Comparator:
1 No.
Th Filters:
1 No. 4 order Butterworth, 3.4 KHz cutoff Frequency
Analog Band Width:
350 KHz
Digital Band Width:
2.5 MHz
Voice Link:
F. O. Voice link using microphone &
speaker (built in)
Switched Faults:
4 in transmitter & 4 in Receiver
Fiber Optic Cable:
Connector Type Standard SMA
Cable Type:
Step indexed multimode PMMA plastic cable
Core Refractive Index:
1.492
Clad Refractive Index:
1.406
Numerical Aperture:
Better than 0.5
Acceptance Angle:
Better than 60 deg.
Fiber Diameter:
1000 microns
Outer Diameter:
2.2 mm
Fiber Length:
0.5 m & 1 m
Test Points:
29
Inter connections:
4 mm sockets
Power Supply:
220 V ±10 %, 50 Hz / 60 Hz on request
Power Consumption:
3 VA (approx.)
Accessories Included:
Line cord, Manuals, NA Measurement
Jig, Mandrel, Fiber Cables, Microphone,
Headphone, Set of Patch Cords
Optional Accessories:
Optical Power Meter, 5 meter fiber cable, 10 meter fiber cable
Function Generator:
1 KHz Sine wave (Amplitude adjustable)
1 KHz square wave (TTL)
Specification