Additional information
| Brand | Bytronic |
|---|
DSB/SSB AM Transmitter Trainer
The 7501 DSB/SSB AM transmitter trainer is part of an analogue communication range which provides all the necessary inputs, test points and connections for experimentation. The 7501 trainer teaches students the basics of DSB/SSB Amplitude modulation and transmission systems through measurement of voltages via the on-board test points.
The 7502 DSB/SSB AM Receiver is required to work with this unit.
Experiments
Automatic Gain Control:
- Double Sideband AM Generation
- To calculate modulation index of DSB wave by trapezoidal pattern
- Double Sideband AM Reception
- Study of Diode Detector
Single Side Band Transmission:
- Signal Sideband AM Generation
- Single Sideband AM Reception.
- Operation of the Automatic Gain Control Circuit (AGC)
Receiver Characteristics (Selectivity, Sensitivity, Fidelity):
- To plot selectivity curve for radio receiver
- To plot sensitivity curve for radio receiver
- To plot fidelity curve for radio receiver
Key Features
- On-board sine generator (synchronized)
- On board DSB/DSBSC modulators
- Crystal controlled carrier frequency generator
- Four Analogue input time multiplexed channels
- Four Envelope detectors
- On board four 4th order low pass filters
- Input-output & test points provided on board
- 8 Switched faults for fault simulation
Extended WarrantyRelated products
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CommunicationsBasic Fibre Optic Trainer
The BFOT is designed to teach the basics of Fibre Optics. The unit demonstrates properties of Fibre Optics transmitter and receiver, characteristics of Fibre Optic cables and different modulation/demodulation techniques. A number of experiments are included in the workbook and the BFOT can also be used to demonstrate various digital communication techniques via Fibre Optic link using the range of digital communications trainers.
Experiments:
- Fibre optic analogue link
- Fibre optic digital link
- The relationship between the input signal and received signal in a 650nm fibre optic analogue/digital link
- 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 fibre optic communications 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 AM-FM and PWM
- Study of switched fault in AM-FM and PWM systems
- Determination of the bit rate supported by the fibre optic link
- Determination of the sensitivity of the fibre optic link
- Determination of power margins (Power budget)
- V-I characteristics of photo LED
- Characteristics of photo detector
- Measurement of bit error rate
Key Features
- Simple analogue and digital trans-receiver
- 660nm channel with transmitter and receiver
- AM-FM-PWM modulation and demodulation
- On board function generator
- Crystal controlled clock
- Functional blocks indicated 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
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CommunicationsFour Channel Analogue Trainer
The 7507 four channel analogue TDM trainer is part of an analogue communication range which provides all the necessary inputs, test points and connections for experimentation. The 7507 is a practical trainer for students to study time division multiplexing, amplitude modulation, demodulation, multiplexing and demultiplexing techniques.
Key Features
- On-board sine generator (synchronized)
- On board DSB/DSBSC modulators
- Crystal controlled carrier frequency generator
- Four Analogue input time multiplexed channels
- Four Envelope detectors
- On board four 4th order low pass filters
- Input-output & test points provided on board
- 8 Switched faults for fault simulation
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