DSB and SSB-SC Amplitude Modulation and Demodulation Trainer
Product Code : JA-CT-1495
DSB and SSB-SC Amplitude Modulation & Demodulation
- Trainer has been designed with a view to provide practical and experimental knowledge of Amplitude Modulation / Demodulation technique as practically implemented in Analog Communication system on a SINGLE P.C.B. of size 300 x 400mm.
Object:
- To Study of
Amplitude Modulation & Demodulation:
- Generate AM signal by modulation with audio signal generator
- Measure modulation index of A.M. signal
- Demodulate AM signal using diode detector(envelope detector)
- Generate voice signal AM modulation and demodulation using Mic.
- Observe the effect of DC signal input on AM output
- Demodulate AM signal by square law detection
DSB-SC Amplitude Modulation & Demodulation:
- Generate DSB-SC AM signal
- Demodulate DSB-SC signal using product detector
SSB-SC Amplitude Modulation & Demodulation:
- Generate SSB-SC AM signal
- Demodulate SSB-SC signal using product detector
Feature:
The board consists of the following built-in parts:
IC Regulated Power Supply:
- ± 15 DC and +5V DC at 100mA.
AF Modulation signal generator:
- Sine wave
Frequency Range:
- 300 Hz to 3.4 KHz
Amplitude:
- 0 to 5 Vpp.
- RF carrier signal oscillator.
Frequency Range:
- 100 KHz to 1 MHz.
Amplitude:
- 0 to 10 Vpp.
Local Oscillator:
- 400 KHz to 500 KHz.
Band Pass Filter:
- 452 KHz to 458 KHz.
DC Source Variable power supply to see the effect of DC on the output waveform:
- -5 to + 5 VDC
- Output Audio amplifier with Volume Control.
- Input Audio amplifier for modulating external signal from Mike or Tape recorder.
- Double Balanced Amplitude modulator
- Diode detector.
- Product detector
- Low pass filter.
- Power supply requirement 230V AC, 50 Hz.
- Mains ON/OFF switch, fuse and jewel light.
- Dynamic Microphone with 4mm Jack Pin.
- Loud Speaker with baffle fitted in a box with two metre wire and 2mm Banana pins for connections.
- 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
Other Apparatus Required:
- Cathode Ray Oscilloscope 20MHz
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