Advanced Frequency Modulation & Demodulation Trainer
Order Code: 40519
Category: Communication Trainers
FM Transmitter and Receiver Trainer has been designed with a view to provide practical and experimental knowledge of Frequency Modulation / Demodulation technique as practically implemented in Analog Communication system on a SINGLE P.C.B. of si...
SPECIFICATION
Object:
To Study Theory of Frequency Modulation & Demodulation:
- Frequency Modulation via varactor / reactance Modulation.
- Frequency Demodulation via Detuned Resonant / Ratio / Qudrature / Foster - Seeley / Phase locked loop detector.
- Separate VCO circuit to demonstrate FM waveform.
Feature:
The board consists of the following built-in parts:
- POWER SUPPLY : ± 12DC IC Regulated power supply.
- FM Modulating signal generator : Sine wave
- Frequency Range : 300 Hz to 3.4 Khz
- Amplitude Range : 0 to 5 Vpp.
- Modulator Type : Varactor modulator (With carrier frequency adjustment)
- Reactance Modulator (With carrier frequency adjustment)
- Demodulator : Detuned resonant detector.
- Quadrature detector
- Foster - Seeley Detector
- Ratio Detector
- Phase locked loop Detector
- Mixer/Amplifier : 1 No. (With gain adjustment) Allows FM input signal to be amplitude modulated by a noise input to demodulation.
- Low pass Filter : 3.4 KHz. Cut of frequency Amplifier (with adjustable gain)
- VCO Circuit : FM Wave form demonstrate
- Test Point : 78
- Power supply requirement : 230VAC, 50 Hz.
- On Board Switched Faults : 8 Nos.
- On Board Amplitude limiter with Amplitude control.
- Input - Output and Test points provided on board.
- A self contained Trainer.
- Effect of noise on the detection of FM signal may be investigated.
- Good Quality, reliable terminal/sockets are provided at appropriate places on panel for connections/ observation of waveforms.
- Strongly supported by detailed Operating Instructions, giving details of Object, Theory, Design procedures, Report Suggestions and Book References.
- Weight : 6 Kg. (Approx.)
- Dimension : W 412 x H 150 x D 310
Other Apparatus Required:
- Cathode Ray Oscilloscope 20MHz.
- Patch Cords
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