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AL-E710 DIFFERENTIAL PULSE CODE MODULATION AND DEMODULATION TRAINER (DPCM)


Discription:

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

Category:
COMMUNICATION LAB
product Name:
AL-E710 DIFFERENTIAL PULSE CODE MODULATION AND DEMODULATION TRAINER (DPCM)
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