Experiments Included:

  • To Understand Sampling of Analog Signals at Different Rate
  • Multiplexing of AC signal & DC Channel
  • Multiplexing of Four Analog Signals
  • De-Multiplexing of Multiplexed Signals & Effect of Sampling Rate
  • Extraction of Sync Pulses from TDM Samples
  • Extraction of Original Analog Channels Using Low Pass Filters

This trainer is an extension of the concepts learned in Signal Sampling & Reconstruction trainer. Technique relating to TDM is explored. Sampled signals are Pulse Amplitude Modulated and multiplexed. Received signal is then demultiplexed and demodulated to form original transmitted signals. Necessary components are on board like, counters and analog signal generators.


  • Power Supply Included
  • Required Circuits Tested
  • Each Section Clearly Marked for Input and Output
  • Each Section Works as an Independent Unit
  • Built-In Audio Generators
  • Built-In Clock Generator
  • Built-In Pulse Generator
  • Built-In 3-bit Counter

Technical Features:

  • Analog signals generators: 250Hz, 500Hz, 1KHz, 2KHz
  • Crystal Generated Clock: 4.096MHz
  • Sampling Frequencies: 8KHz, 16KHz, 32KHz, 64KHz
  • Multiplexing Technique: Time Division Multiplexing
  • Modulation Technique: Pulse Amplitude Modulation
  • Low Pass Filters: 5th Order Butterworth Low Pass Filter with cut off at 3.4KHz
  • Interconnections: 2 mm gold plated pins

Accessories: Power cord, Experiment Manual and 2mm patch cords