Amplitude Modulation & Demodulation Trainer A.M. (Model II)



The single board trainer with in built I.C. regulated dual channel power supply helps to construct Modulator using Operational transconductance amplifier & to demonstrate how Signal can be added to a carrier & observe the amplitude modulated waveforms & check the percentage of Modulation.

In the same trainer it also demonstrates how Signal can be recovered from an amplitude modulated carrier by Demodulator.

 The trainer consists of :

  1. Carrier frequency Generator :

Variable frequency [ 9KHz – 80KHz ] & Amplitude [ 4V Max ].

  1. Signal Frequency Generator :

Variable frequency [ 100Hz – 1KHz ]  & Amplitude [ 10V Max ].

  1. Modulator using Operational transconductance amplifier.
  2. Demodulator using diode detector.


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