Features

1. Full Duplex Analog & Digital Trans-receiver
2. Single module covering large number of experiments including experiments with Optical Power Meter
3. 660 nm & 950 nm Fiber Optic LED channel with Transmitter & Receiver
4. LASER Source (optional) in lieu of LED Source
5. AM-FM-PWM modulation/demodulation
6. PC-PC comm. with USB ports & software
7. On board Function Generator
8. Crystal controlled Clock
9. Functional blocks indicated on-board
10. Input-output & test points provided
11. On board voice link
12. Built in DC Power Supply
13. Numerical Aperture measurement jig and mandrel for bending loss measurement
14. Data Generator with selectable clock (64/128/256 KHz)
15. Noise Generator with variable gain
16. Eye pattern observation and Bit Error Rate measurement
17. Four digits Bit Error Counter
18. Switched faults on Transmitter & Receiver

Technical Specifications

• Transmitter : 2 nos., Fiber Optic LED having peak wavelength of emission 660 nm & 950 nm (Optional LASER source)
• Receiver : 2 nos., Fiber Optic Photodetector
• Modulation Techniques: AM (Intensity modulation), FM, PWM. Drivers : 1 no. with Analog & Digital modes
• AC Amplifier : 2 nos.
• Clock : Crystal controlled Clock 4.096 MHz
• PLL detector : 1 no.
• Comparator : 2 nos.
• th Filters : 2 nos. 4 order Butterworth, 3.4 KHz cutoff frequency
• Analog Band Width : 350 KHz
• Digital Band Width : 2.5 MHZ
• Function Generator : 1.1 KHz Sine wave (Amplitude adjustable) 2.1 KHz square wave (TTL)
• Voice Link : F.O. voice link using microphone & speaker (built in)
• PC-PC Communication : USB
• Baud Rate : 19200 baud
• Switched Faults : 4 in Transmitter & 4 in Receiver
• Fiber Optic Cable : Connector type standard SMA
• Cable Type : Step indexed multimode PMMA plastic
• 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 : 0.5m & 1m
• Test Points : 50 nos.
• Inter connections : 2 mm sockets
• Dimensions (mm) : W 326 D 252 H 52
• Weight : 2.4 Kg approximately
• Power Supply : 110-220 V, ±10%, 50 / 60 Hz
• Power Consumption : 4.5 VA approximately
• Operating Condition : 0-40 C, 80% RH Product Tutorial: Online
• Included Accessories : NA measurement jig, Mandrel, Fiber Cables, Microphone, Headphone, Set of Patch Cords, PC-PC communication Software
• Optional Accessories : Optical Power Meter, 5 meter fiber cable, 10 meter fiber cable.

Experiments

1. Setting up Fiber Optic Analog & Digital link
2. AM system using Analog & Digital input signals
3. Frequency Modulation system and Pulse Width Modulation system
4. Study of Propagation Loss, Bending Loss & measurement of Numerical Aperture
5. Characteristics of Fiber Optic communication link
6. Setting of Fiber Optic voice link using Amplitude, Frequency & PWM
7. Modulation IStudy of Switched Faults in AM, FM & PWM system • Full Duplex Computer Communication using USB and software
8. V-I characteristics of LED (E- O converter)
9. Characteristics of Photo Detector