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Frequency Modulation & Demodulation 

Altec Labs Home  »  Educational Trainers ยป Frequency Modulation & Demodulation
Altec Labs Manufacturers for Frequency Modulation & Demodulation from India  
Frequency Modulation & Demodulation  Name
(Code - ALABS-A36-046 ) | Altec Export Lab Specification:
Frequency Modulation & Demodulation : Frequency Modulation & Demodulation
 has been designed specifically for the study of frequency modulation and demodulation. Practical experience on this board carries great educative value for science and engineering students.Object:
  • To observe the effect of D.C. voltage on frequency of carrier waveform
  • To frequency modulate the carrier with Audio signal, observe F.M. waveform on C.R.O., and measure its modulation index
  • To demodulate the F.M. singal and observe the output on C.R.O.
  • To plot the characteristics curve of the slope detector demodulating circuit


The board consists of the following built in parts:

  • ± 12V D.C. at 100 mA, IC Regulated Power Supply
  • Carrier generator circuit which generates the carrier signal
  • Audio frequency modulating signal
  • Variable D.C. is provided to see the frequency deviation in carrier frequency
  • Frequency Modulation circuit with buffer stage at the output
  • Demodulating circuit
  • Adequate no. of other electronic components
  • Mains ON/OFF switch, Fuse and Jewel light
  • The unit is operative on 230V ±10% at 50Hz A.C. Mains
  • Adequate no. of patch cords stackable from rear both ends 4mm spring loaded plug length ½ metre
  • 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 : 3 Kg. (Approx.)
  • Dimension : W 340 x H 110 x D 210


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