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