The FOL-A-P Advanced Fiber Optic Communication Trainer is a comprehensive platform for studying modern digital fiber-optic communication systems. It supports PCM, Manchester coding, TDM (16-channel), BER testing, noise analysis, and PC-to-PC data transfer, enabling learners to analyze real-world transmission performance and system behavior over optical links.
Fiber Optic Transmitter: Two wavelength (660nm and 950nm)
Fiber Optic Receiver: 2 types (PIN Photo Diode, Photo Transistor detector)
Onboard functional generator
N.A. measurement
Fiber optic analog and digital link
Pulse code modulation using CODEC chip
Manchester coding / decoding
16 channels time division multiplexing
Two 8 bit marker.
Channel Indication.
Bit indication.
Noise source.
Bit error measurement.
PRBS generator.
Eye pattern.
Voice communication.
PC to PC communication using RS232 interface.
Switch Faults.
Transmitter: Two Nos. Siemens Fiber Optic LED
Peak wavelength of emission 950nm Infrared (SFH450V)
Peak wavelength of emission 660nm Visible(SFH756V)
Receiver: Two Nos. Siemens Photo Detector
Photo Transistor Detector (SFH350V)
Photo Detector with Logic Output (SFH551V)
Modulation Techniques : Digital communication with Pulse Code Modulation (PCM) using Motorola MC 145502 CODEC Chip.
Coding / Decoding: Manchester Coding / Decoding Techniques.
Noise Generator: White noise source output.
Amplitude: 0 to 5Vpp.
PRBS Generator: 16 Bit switch selectable.
Clock: 32, 64, 128 KHz.
Bit Error Rate Measurement: 10 bit counter with LED indication up to 1024 count.
Multiplexing: Time Division Multiplexing 16 Channels (64 Kbits/Sec)
Frame Marker: Two 8 bit user selectable markers in alternate frames.
Data rate :1.024 MBits/Sec.
Voice PCM :Two Nos. with Telephone Handsets (A- Law)
Analog Bandwidth :3.45 KHz.
FWHM Spectral Width :100 nm.
Fiber Optic Cable Type :Plastic Optical, Step Index, Multimode.
Core Refractive Index -n1 : 1.492.
Clad Refractive Index -n2 : 1.406.
Numerical Aperture : 0.50.
Acceptance Angle : 60 degrees.
Fiber Diameter : 1000 microns.
Outer Diameter : 2.2 mm.
No.of Fibers : Two.
Length: 01 & 03 Meters.
Setting Up Fiber Optic Analog Link
Setting Up a Fiber Optic Digital Link
Study of Losses in Optical Fiber
Measurement of Numerical Aperture
Study of Characteristics of Fiber Optic LEDs & Photo detector
Study of Time Division Multiplexing
Study of 16-Channel Digital TDM Generation
Study of Manchester Coding & Decoding
Study of Time Division De-multiplexing
Study of PCM Voice Coding And Codec Frequency Response
Measurement of Bit Error Rate
Study of Eye Pattern
Pulse Broadening in Fiber Optic Communication
