Delta Modulation & Demodulation SB-209

Product Category :  Digital Communication Lab Trainer  (Series : 200-B)
Product Name : Delta Modulation &  Demodulation
Model No.: SB-209
Product Details :

• DM Modulation : This has OP-AMP IC 741 as differential amplifier, Integrator, RC network and modulator are wired as to form a Delta Modulation circuit to provide the DM output for the applied modulating AF input signal. facility to control the Clock signal, Sine wave signal generators (1No) and Square wave signal generators (1No) with variable frequency upto 100KHz and amplitude. facility to control carrier signal. DM Demodulation : This has OP-AMP IC 741 as an Integrator, RC network and low pass filter wired as to form a Delta Demodulation circuit to provide the demodulated output for the applied DM input signal. maximum modulating frequency 10KHz, maximum carrier frequency 100KHz, Bandwidth 3KHz, Discrete level circuit, Built-in fixed DC ±12V/1A Power supply and maximum test points.  

• Objectives :
  
  • To study the principle and circuit of Delta Modulation (DM).
  • To observe and note DM O/P for the applied modulating AF input and carrier input.
  • To observe and note the change in DM O/P w.r.t change in modulating input.
  • To observe the effect on DM O/P w.r.t change in carrier input.
  • To study the limitations and distortions of DM.
  • To study the principle and circuit of Delta Demodulation.
  • To observe and note demodulated O/P for the applied DM input.
  • To observe the change in Demodulated O/P w.r.t change in modulating AF input of DM.
  • To observe the effect on demodulated O/P w.r.t change in carrier input of DM.

• Accessories Included :  Set of Patch Cords, Operating Manual