Zener Diode Experiment, Physics instrument, Educational Scientific Instruments

TDM Pulse Code Modulation Transmitter


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TDM Pulse Code Modulation Transmitter

TDM Pulse Code Modulation Transmitter

SPECIFICATIONS:-

  • Crystal Frequency: 12/16 MHz
  • On Board Generators:
  • 1. Adjustable Amplitude sine Generator of 500Hz & I KHz (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 I KHz Channel (approx)              
  • PC – PC Communication: 2 Channel via RS 232
  • Port: O 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
  • 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

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Experiment

EXPERIMENTS CAN BE PERFORM:-

  • Pulse Code Modulation
  • AD 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 connect Data only
  • PC-PC Communication in 3 modes