Experiments Included:

  • Pulse Code Modulation Familiarization
  • Pulse Code Modulation
  • Pulse Code Modulation through voice link

PCM is standard technique used to convert an Audio signal and high speed Analog signals into digital stream. This trainer explores the concepts relating to PCM transmission like Clock, Frame Sync, A/D conversion, Parallel to serial Conversion etc. PC- PC interface using USB  UART converter.


  • Power Supply Included
  • Required Circuits Tested
  • Each Section Clearly Marked for Input and Output
  • Each Section Works as an Independent Unit
  • Built-in Audio Generator and microphone interface
  • Built-In Clock Generator
  • Each Section Clearly Marked for Easy Understanding

Technical Features:

  • Clock Frequency: 64KHz
  • Frame Sync: 8KHz
  • A/D Converter: 8-Bit Monolithic
  • Multiplexer: 8-Bit Parallel In Serial Out
  • Audio Source: 500Hz Audio Generator, Microphone
  • Modulation Type: Pulse Coded
  • PC interface: USB-UART interface
  • Interconnections: 2 mm gold plated pins

Accessories: Experiment Manual, 2mm patch cords and power cord, USB Cable , Software CD