Analog Signal Sampling and Reconstruction

Analog Signal Sampling and Reconstruction  Object: To study Sampling Theorem using Pulse Amplitude Modulation and Demodulation To generate PAM signal by modulating with audio signal by natural sampling To generate PAM signal by modulating with audio signal by Flat-Top sampling To generate PAM signal by modulating with audio signal by Sample / Hold circuit To demodulate using Low Pass Filter to reconstruct input(sine wave) Features: The board consists of following built in parts: ±15V D.C. at 100mA, IC Regulated Power Supply +5V D.C. at 100mA, IC Regulated Power supply A.F. signal generator for modulating signal Sampling clock generator to provide sampling clock and gate pulse Modulator circuit for Flat-top natural and S/H circuit Demodulator circuit to reconstruct input (sinewave) Mains ON/OFF switch, Fuse and Jewel light Adequate no. of patch cords stackable 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 Other Apparatus Required: Dual Scope Cathode Ray Oscilloscope 20MHz