Additional information
| Brand | Bytronic |
|---|
Advanced Fibre Optic Trainer
The Bytronic AFOT Fibre Optic Communication trainer provides a full duplex method of transmitting information from one place to another by sending pulses of light through an optical fibre, the light forms an electromagnetic wave that is modulated to carry information. The advanced fibre optics communication trainer is designed to learn the communication techniques in Fibre Optics.
The trainer demonstrates properties of Fibre Optics Transmitter and Receiver, characteristics of Fibre Optic cable, different types of Modulation/Demodulation techniques via fibre link. It can also be used to demonstrate various digital communication techniques.
Experiments:
- Fibre optic analogue link
- Fibre optic digital link
- Intensity modulation technique using an analogue input signal
- Intensity modulation technique using a digital input signal
- AM system using analogue and digital inputs
- FM and PWM modulation systems
- Propagation loss in optical fibre
- Bending loss in optical fibre
- Measurement of numerical aperture
- Characteristics of E-O converter (LED)
- Characteristics of F.O communication link
- Measurement of power using optical power meter
- Characteristics of E-O converter using optical power meter
- Propagation loss using optical power meter
- Setting of fibre optic voice link using intensity modulation, AM-FM and PWM
- Study of switched fault in AM-FM and PWM systems
- Full duplex computer communication using RS232 ports and software
- BIT rate measurement
- Determining the density of the fibre optic link
- Determination of power margin (power budget)
Key Features
- Full duplex analogue and digital transmitter – receiver
- 660nm and 950nm channels with transmitter and receiver
- AM-FM-PWM modulation and demodulation
- On board function generator
- Crystal controlled clock
- Functional blocks indicated via on-board mimic
- Input-output and test points provided on board
- On board voice link
- Numerical aperture measurement jig and mandrel for bending loss included
- Switched faults on transmitter and receiver
Extended WarrantyRelated products
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CommunicationsAntenna Trainer System
The Antenna Trainer System is ideal for introducing the principles of Antenna operations and design. The ATS7261 training system includes a set of modular mechanical elements forming various antennas, a transmitter unit and a detector unit. The Antenna Training System comes with a motorised antenna unit that allows for the automated recording of radiation patterns of the antennas. This operation is normally performed by rotating the transmitting antenna at different angles by hand and measuring the radiated intensity.
The motorised antenna unit consists of a microcontroller based system for capturing, displaying and printing of the antenna radiation patterns. The system captures a signal at an interval of ten rotations driven by a stepper motor and the radiation pattern is then displayed on the PC.
Experiments
- Arranging the trainer and performing functional checks
- Perform a modulation and demodulation test
- Plotting the polar graph/radiation pattern of an antenna manually
- Plotting a polar graph/radiation pattern of an antenna using the software
- Simple dipole l/2, l/4 and 3l/2 antenna
- Folded dipole l/2 antenna
- Yagi-UDA 5 and 7 element simple dipole antenna
- Yagi -UDA 3, and 5 element folded dipole antenna
- Hertz antenna
- Zeppelin antenna
- l/2 Phase array (end fire) antenna
- l/ 4 Phase array (end fire) antenna
- Combined co-linear and Broad side array antenna
- Log periodic antenna
- Cut paraboloid reflector antenna
- Loop, Rhombus, Ground plane, Slot and Helix antenna
- Perform polarisation test
- Variation in the radiation strength at a given distance from the antenna
- Reciprocity theorem for antennas
- Matching stub
- SWR measurement
- Antenna current sensor
Key Features
- Experiment with different types of antennas
- Antenna fabrication kit
- On board RF and tone generator
- On board matching stub
- SWR measurements
- 22 Antennas and radiation plotting patterns
- Motorised rotating unit
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CommunicationsAudio Input Module
The 7408 audio input module allows speech and music signals as audio input to any communication trainer, it sends these signals over different communication systems. The audio input module accepts the input signal from either a microphone or a cassette recorder which it amplifies by a gain adjustable voltage amplifier. The audio input module and audio output module in conjunction with the trainer allows the user to study the effect of different communication system on transmission and reception of speech and music. The trainer can be used in applications requiring conversion of sound signals to electrical signals.
Key Features
- Allows music and speech as audio input.
- Input via Microphone
- Gain control to control voltage amplification
- Switchable fourth order low pass filter
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