Scientech2501 TechBook for Optical Fiber Communication

Scientech TechBooks are compact and user-friendly learning platforms to provide a modern, portable, comprehensive and practical way to learn Technology. Each TechBook is provided with detailed Multimedia learning material which covers basic theory, step by step procedure to conduct the experiment and other useful information.

• Features:

- Simplex Analog and Digital Transreceiver
- 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
- Online product tutorial

- Transmitter: 1 no., LED 660 nm
- Receiver: 1 No., Fiber Optic Photodetector
- Modulation Techniques: 1. 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.
- Filters: 1 No. 4th order Butterworth, 3.4 KHz cut-off Frequency
- Analog Band Width: 350 KHz
- Digital Band Width: 2.5 MHz
- Function Generator:
     -- 1 KHz Sine wave (Amplitude adjustable)
     -- 1 KHz square wave (TTL)
- 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 nos.
- Inter connections: 2 mm sockets
- Power Supply: 110-220 V ± 10%, 50 / 60 Hz
- Dimensions (mm): W 326 x D 252 × H 52
- Weight: 1 Kg approximately
- Power Consumption: 3 VA approximately
- Operating Condition: 0-40ºC, 80% RH
- Product Tutorial: Online on www.ScientechLearning.com
- Included Accessories: 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.
- Optional Experiments:
     -- Measurement of Bit Error Rate
     -- Study of Eye Pattern

- 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 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
- V-I Characteristics of LED ( E - O converter)
- Characteristics of Photo Detector
- Measurement of Bit Error Rate (Optional)
- Study of Eye Pattern (Optional)