This module is designed to familiarize the student withthis type of Modulation & Demodulation.The modulator  can be switched to work as DM or SDM .

  Delta / Sigma  Delta     : Depending on front panel   switch setting.
  Modulator
  Frequency                    : 20KHz or 100KHz.
  Input Signals               : a)Built - in +5V to -5V DC
                                        b)External audio signal
  Demodulator               : Can be set to work as Delta / Sigma Delta
  Demodulator gain       : Ajustable from 1 to 10.
  Error Amplifier           : High Quality.Measures Quantisation Error.

  Comparator  O/P,Pulse Generator,Adder & Integrator brought out for monitoring waveforms.

  The instrument works on 230V + 10%,AC Single Phase