Benchmark CommLAB-T – Communication systems Laboratory Trainer is a hardware-software platform to teach concepts of analog communication systems. The hardware consists of a Digital to Analog Converter (DAC) for transmission and an Analog to Digital Converter (ADC) for reception.  Transmitter & receiver are connected through BNC cord to form a complete communication system.

  • Modern and unique way of teaching analog communication theory
  • Single training kit to cover wide range of communication concepts
  • Parameters can be varied for different experiments at ease using MATLAB
  • Very flexible, cost efficient and power-to-drive communication study forward
  • Reusable, re-configurable with enhanced functionality
  • Performance consistency
Salient Features
  • Covers Communication systems Lab at UG level
  • Interface with Windows PC through Hi-Speed USB 2.0
  • Experiments are implemented using MATLAB
  • Ready to use executable for al suggested topics
  • Source codes are available to understand the implementation
  • Codes can be modified by users for trying out other options
  • Output can be monitored using oscilloscopes
Experiment Topics Signal sampling and reconstruction
  • Effect of under sampling, Nyquist sampling and over sampling on the signal
Amplitude modulation and demodulation technique
  • Double side band Total carrier, Suppressed carrier
  • Single side band suppressed carrier
Frequency modulation and demodulation technique
  • Varieties of modulation / demodulation techniques
Study of Frequency Division multiplexing Delta, Adaptive Delta modulation and demodulation
  • Effect of various step sizes on the modulation and demodulation technique
Study of Amplitude Shift Keying Study of Frequency Shift Keying Study of Binary Phase Shift Keying Study of Line coding and decoding techniques
  • Unipolar, Polar and Bi-polar line coding methods
  • BER comparison of different line coding techniques
Study of Error control coding and decoding
  • One bit error correction and two bit error detection technique
Study of Time division multiplexing