TDM PULSE CODE MODULATION TRANSMITTER TRAINER

  • Crystal Frequency : 12/16 MHz
  • On – Board Generators :
    (1) Adjustable Amplitude sine Generator of 500Hz & 1KHz (synchronised) 1 & 2 KHz synchronized frequency (optional)
    (2) Variable Amplitude DC Level (2 nos.)
  • Input Channels : Two
  • Multiplexing : Time Division Multiplexing

SILENT FEATURES

  • Crystal controlled Clock & Sine Generator (Synchronized)
  • 2 TDM Analog channels
  • Error Check code option (Odd – Even parity, Hamming code)
  • 4 switched faults can be used for error check & fault simulation.
  • PC – PC communication via RS 232

TECHNICAL SPECIFICATIONS

  • Crystal Frequency : 12/16 MHz
  • On – Board Generators :
    (1) Adjustable Amplitude sine Generator of 500Hz & 1KHz (synchronised)
    1 & 2KHz synchronized frequency (optional)
    (2) Variable Amplitude DC Level (2 nos.)
  • Input Channels : Two
  • Multiplexing : Time Division Multiplexing
  • Modulation : Pulse Code Modulation
  • Sync Signals : Pseudo Random Sync. Code Modulation
  • Error Check Code :
    Off – Odd – Even – Hamming
  • Operating Modes :
    • Fast 240 KHz / Channel (approx)
    • Slow 1 Hz Channel (approx)
  • PC – PC Communication : 2 Channel via RS 232
  • Port : 9 Pin D – type Connector 2 nos.
  • Baud rate : Selectable from 300 to 2400
  • Fault Switches : 8 nos. through 8 way DIP switch for troubleshooting at different blocks
  • Test Points : More than 45
  • Interconnections : 2/4 mm socket
  • Cabinet : Enclosed in ABS plastic cabinet with detachable cover
  • Power : 220V AC ±10%, 50/60Hz mains operated
  • Accessories : Set of Patch Cords, User’s manual

LIST OF EXPERIMENTS

  • Pulse Code Modulation
  • A/D Converter, Parallel to serial Data conversion
  • Time Division Multiplexing of PCM Data
  • Synchronization by Pseudo random code
  • Error check codes with switched faults
  • Connecting modes between transmitters & receiver
    (i) Sync, clock, data line connected
    (ii) Clock, data connected – Data Only
  • PC – PC communication in 3 modes

OPTIONAL ACCESSORIES

  • Multimedia interactive computer based training manual