Adaptive Delta Modulation & Demodulation SB-212

Product Category :  Digital Communication Lab Trainer  (Series : 200-B)
Product Name : Adaptive Delta Modulation &  Demodulation
Model No. : SB-212
Product Details  :

• ADM Modulation :This has OP-AMP IC 741 as differential amplifier, Integrator, RC network, logic sequence detector, variable gain amplifier and modulator are wired as to form a Adaptive Delta Modulation circuit to provide the ADM output for the applied modulating AF input signal. facility to control the Clock signal, AF sawtooth input wave (1No) generator with variable frequency, Square wave carrier signal generators (1No) with variable frequency upto 100KHz and amplitude. facility to control carrier signal.  ADM Demodulation : This has logic sequence detector, variable gain amplifier, OP-AMP IC 741 as amplifier, Integrator, RC network and low pass filter wired as to form a Adaptive Delta Demodulation circuit to provide the demodulated output for the applied ADM input signal. maximum modulating frequency 10KHz, maximum carrier frequency 100KHz, Bandwidth 5KHz, Discrete level circuit, Built-in fixed DC ±12V/+5V/1A Power supply and test point.

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

• Accessories Included :  Set of Patch Cords, Operating Manual