Objective :

• Observe the conversion of DC signal in to digital signal using sample & hold and A/D converter 

• The PCM system is divided in five blocks 

Technical Specification :

• In built DC regulated Power Supply + 12 V, + 5V / 500mA

• On board clock signal generator

Frequency : 7.8KHz & 125KHz   Amplitude : 0-10 Vpp & 0-4 Vpp Approx.

• Five Blocks :- Sample & Hold, Amplifier, Analog to Digital Convertor, Multiplexer, Timing and Control Logic

• Modulation using Sample & Hold Amplifier IC L 398, Analog to Digital Convertor using IC0800, Multiplexer& Timing and Control Logic 74160

• Demodulation of PCM using Logic 74160