Differential Pulse Code Modulation and Demodulation Trainer (DPCM)

Product Code: 3510265

SCOPE OF LEARNING: 
•    To study DPCM modulation and Demodulation. To study Quantization Error.
•    To study voice communication for DPCM(Optional).
•    To study Effect of Switch faults 
Generator:
•    Data Clock Generator -­‐Jumper selectable clock with amplitude of 5V. 
•    Clock of frequencies 64 KHz, 128 KHz, 256 KHz and 512KHz.   
•    Sampling Clock-­‐-­‐ Sampling Clock is generated using IC 4016.
•    Sampling Clock Frequency of 16 KHz and Amplitude of 5V.
•    DPCM modulation using sampler, quantizer and linear predictor.
•    Onboard Buffer is provided using LF353.
•    DPCM demodulation using linear predictor, Integrator and Low pass Filter.
•    On-­‐board Low pass filter using TL084.
Power Supply:
•    Fixed DC Power Supplies +5V,+5V DC, 250mA
•    Operated on Mains power 230V, 50Hz +10%
Components are mounted on the panels are:
•    IC
•    Capacitors
•    Resistors
•    Diode
•    Filter: Low pass having cut off Frequency 3.4 KHz.
SALIENT FEATURES:
•    Front panel built with high class insulated Printed Circuit Board sheet with well printed circuits and symbols.
•    Instruction manual.
•    Connections are brought out through 4mm Sockets.
•    Patch Cords 4mm.
•    The trainer is housed in ABS Plastic cabinet.
•    Size of the trainer set 12”x8” 
OPTIONAL ACCESSORIES:
•    CRO