PLUSE WIDTH MODULATION & DEMODULATION

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PLUSE WIDTH MODULATION & DEMODULATION

PLUSE WIDTH MODULATION & DEMODULATION

Category: Electronics

Model No:IBC- 105


Pluse width Modulation and Demodulation Trainer is a useful training product for the students to help them understand the concept of Modulation and Demodulation.  Pluse width  Modulation is an effective technique used to transmit the information signal over a long distance without any distortion in it.It is a kind of modulation where the amplitude of the carrier signal is changed in proportion to the message signal while the phase and frequency are kept constant.

Product Description


Pluse width Modulation and Demodulation Trainer is a useful training product for the students to help them understand the concept of Modulation and Demodulation.  Pluse width  Modulation is an effective technique used to transmit the information signal over a long distance without any distortion in it. It is a kind of modulation where the amplitude of the carrier signal is changed in proportion to the message signal while the phase and frequency are kept constant.

Features:

  • Modulation using balanced modulator IC LM 1496
  • Demodulation of PWM using 4th order /low pass filter & AC amplifier using TL 074

Scope of Learning:

  • Observe change in the carrier amplitude according to the amplitude of the modulating signal. 
  • Calculate modulation index of the modulated signal
  • Recovery of modulating signal from demodulator circuit

Technical Specifications:

  • Power Supply    :     + 12 V, + 5V / 300mA    

Signal Generator     

  •  Frequency     :     : 1KHz & 2KHz  
  •  Amplitude      :      0-10 Vpp & 0-4 Vpp Approx

Carrier Signal Generator     

  • Frequency           :      8KHz, 16KHz, 32KHz,64KHz
  • Amplitude            :      5 VPP Approx.
  • Demodulation      :     Diode detector OZ 79
  • Modulation           :    PWM using  AC amplifier using TL 074                
  • Mains                   :    230V AC ±10%, 50Hz
  • Fuse                     :    500mA
  • Dimension            :    W 215 x D 195 x H130

Required Accessories :

  • Dual Trace DSO/CRO 20MHz
     

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