Mulitiplexer by the very name, suggests more than one signal is transmitted through the same fiber optic cable. This trainer helps to view how signals from different signal sources are multiplexed and transmitted. This trainer has 16 channel Mulitiplexer. 16 independent external signals from external source can be applied as input to this data Mulitiplexer. The necessary timing generator and sync signal generator are included on board. This is used as synchronizing signal for the receiver for decoding purpose.
In order to demonstrate this principle, 3 different signals are generated onboard, namely a pseudo-random bit sequence (PRBS) generator, a pulse and SINE generator of 1 kHz. Using these three signals, the user can start study of Mulitiplexer and De-Mulitiplexer.
An external dual beam oscilloscope is required for observing the input and output signals. For ease of study, both transmitter and receiver are assembled on the same board.
Specification:
Transmitter : Fiber optic Infra Red 820 nm peak wavelength housed in FC adapter.
Receiver : Photodiode with Peak sensitivity 880nm
Connection : Plastic fiber optic package, suitable for PMMA cable,
housed in FC Adapter
Fiber connector : Industry standard FC ? FC connector
Fiber optics cable type : Plastic optical cable, step index, multimode.
Core refractive index : 1.492
Clad refractive index : 1.406
Acceptance angle : Within 60 degrees
Core diameter : 1000mm
Fiber diameter : 2.2mm
Fiber length supplied : 1 meter and 3 meter
Power supply : 5V and 12 V
Generator : Built-in SINE, PULSE, PRBS
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