Optical Fibres And Accessories Power Supply Unit Interactive Control Unit & Software

OPTICAL FIBERS

The trainer enables the study, with the help of the
theoretical-experimental handbooks, of the theoretical
concepts with tests, experimental measurements and trouble-
shooting operations on the following circuits and optical fiber
communication systems:
• Optical sources
• Optical detectors
• Optical fibers
• Analog and digital optical transmitter / receiver
• Electrical interfaces
• Signal sources
• Data coders and decoders
• TDM and Audio/Video multiplexer / demultiplexer
TRAINING PROGRAM
• Fiber characteristics: structure, propagation modes, numerical
opening, modal and chromatic dispersion, attenuation
and band
• Optical sources and detectors: Led and laser diodes, PIN
and avalanche photodiodes
• Optical connectors and coupling systems
• Led polarization and emitted optical power adjustment
• Digital and linear driving of the Led diode
• Responsivity of the photodetector
• Optical fiber attenuation
• Analog and digital communication systems
• Data coding/decoding: Manchester, Biphase Mark/Space
• Tx/Rx data with TDM multiplex
• Tx/Rx of FM analog signals
• Tx/Rx of video+audio signals
• Connection between PCs via RS232 interface
• Trouble-shooting
TECHNICAL SPECIFICATIONS
• Electrical interfaces: TTL, V24/RS232C, analog 1V-7MHz bw
• Signal sources: TTL generators, data (0/1/0&1/4x0&4x1) and
audio; microphone; 5 patterns video generator
• Data coders / decoders: NRZ, Manchester, biphase
Mark/Space
• 8-channel TDM data multiplexer / demultiplexer
• MPX A/V: audio modulator (FM 5.5MHz), A+V combiner
• Optical sources: LED at 660nm and 820nm
• Detectors: photodiode PIN 660nm and 820nm
• 5 optical cables: plastic fiber, 1.5m and 5m, 1000μm; glass
fiber, 3m, step-index, 200/230μm; glass fiber, 3m, gradedindex,
50/125μm; glass fiber, 3m, single-mode, 10/125μm
• Connection in plastic fiber ST/Snap-In
• ST-ST adapter
• Reception circuits: transimpedence amplifier, FM PLL
demodulator
• Video/audio demultiplexer: audio demodulator (FM 5.5 MHz),
video amplifier, audio amplifier 0.5W with loudspeaker
• 1-fault simulator
• Power supply: ±12Vdc
• Dimensions: 386x248x40 mm
INCLUDED ACCESSORIES
• Theoretical-experimental tests
• Cables as necessary and 6 different fiber cables
• Microphone, loudspeaker and ST-ST adapter

OPTIONAL ITEMS
• Practical Kit for connection and headings
• Optical source in I/II window
• Optical power meter in I/II/III windows
SOFTWARE
• Multimedia Educational Software
“TELECOMMUNICATIONS”