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Communication Trainer

QAM DQAM Modulation Trainer

Product Code: DIDAC-ELECTRONIC-LABS8-A024
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Product Details

Description & Technical Specification

QAM DQAM Modulation Trainer
Advance Digital Communication Trainer System that helps one under stand various Digital Modulation and Demodulation Techniques. Various functional block diagrams are provided on-board as an aid for Teaching/Training. These Kits are provided with various Test Points to visualize the signals on Oscilloscopes.

FEATURES:

  • On-board Sine-wave generator.
  • On-board Four Carrier Sine waves of 500Khz.
  • On board three nos. of 8-bit NRZ-L. Data Simulator.
  • Clock frequency of 250 Hz.
  • Dat Format (Coding) is NRZ-L, Tribit encoded and Differential Encoded I & Q bits.
  • In-Built Power Supply.

LIST OF EXPERIMENTS:

  • To study the elements of 8-QAM / DQAM system.
  • Tribit coding technique of NRZ-L data format.
  • Differential Encoding of Data.
  • 8-QAM Modulation technique.
  • DQAM Modulation technique.
  • To study of constellation Diagram of QAM.
  • To study bandwidth efficiency in QAM techniques.
  • Effect of Switch faults.

SPECIFICATIONS:

  • Carrier Sine Wave Generator - Four carrier sine waves Generated onboard. - Provides synchronized Sine waveform output of 500KHz(0deg.) ,500KHz(90 deg.) ,500KHz(180 deg. ),500KHz(270 Deg.).
  • Clock And Data Generator - 24 bit variable NRZ-L pattern generated depending on the position of the three nos. of 8-dit Data Switch provided. - Clock Frequency is of 250 Khz.
  • Data Format (Coding) - Non Return to Zero-Level (NRZ-L) - Tribit encoded data (I ,Q & C)
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