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DSB / SSB-SC Amplitude Modulation & Demodulation Trainer

SKU: DSB / SSB-SC Amplitude Modulation & Demodulation Trainer 40516

Communication Trainers


Product Description:

DSB/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 300x400mm.




To Study of
01. Amplitude Modulation & Demodulation.
• 1.1 Generate AM signal by modulation with audio signal generator
• 1.2 Measure modulation index of A.M. signal
• 1.3 Demodulate AM signal using diode detector(envelope detector)
• 1.4 Generate voice signal AM modulation and demodulation using Mic.
• 1.5 Observe the effect of DC signal input on AM output
• 1.6 Demodulate AM signal by square law detection
02. DSB-SC Amplitude Modulation & Demodulation.
• 2.1 Generate DSB-SC AM signal
• 2.2 Demodulate DSB-SC signal using product detector
03. SSB-SC Amplitude Modulation & Demodulation
• 3.1 Generate SSB-SC AM signal
• 3.2 Demodulate SSB-SC signal using product detector



The board consists of the following built-in parts:

1: IC REGULATED POWER SUPPLY : ± 15 DC and +5V DC at 100mA.

2: AF Modulation signal generator : Sine wave




3: 03. RF carrier signal oscillator.

• Frequency Range : 100 KHz to 1 MHz.

• Amplitude : 0 to 10 Vpp.


4: Local Oscillator : 400 KHz to 500 KHz.

5: Band Pass Filter : 452 KHz to 458 KHz.

6: DC Source Variable power supply to

• see the effect of DC on the output waveform : - 5 to + 5 VDC

7: Output Audio amplifier with Volume Control.

8: Input Audio amplifier for modulating external signal from Mike or Tape recorder.

9: Duble Balanced Amplitude modulator

10: Diode detector.

11: Product detector

12: Low pass filter.

13: Power supply requirement 230V AC, 50 Hz.

14: Mains ON/OFF switch, fuse and jewel light.

15: Dynamic Microphone with 4mm Jack Pin.

16: Loud Speaker with baffle fitted in a box with two metre wire and 2mm Banana pins for connections.

17: Good Quality, reliable terminal/sockets are provided at appropriate places on panel for connections/ observation of waveforms.

18: Strongly supported by detailed Operating Instructions, giving details of Object, Theory, Design Procedures, Report Suggestions and Book References.

19: Weight : 6 Kg. (Approx.)

20: Dimension : W 412 x H 150 x D 310


Other Apparatus Required:

• Cathode Ray Oscilloscope 20MHz.


Free shipping to any address in South Africa

011 805 5030 / 086 138 6548 - Phone orders
Monday-Friday, 08:00-17:00


Product details

Category: Communication Trainers

Product code - SKU: DSB / SSB-SC Amplitude Modulation & Demodulation Trainer 40516

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