TDM Pulse Code Modulation Transmitter Trainer

SALIENT FEATURES :

• Crystal controlled clock.
• On – board Sine Generator ( synchronised ).
• Two TDM analog channels.
• PCM transmitter.
• Fast and slow modes for real time operation and data flow examination.
• Error Check Code options ( Odd / Even parity hamming code ).
• Switched faults allows different error check code options.

TECHNICAL SPECIFICATIONS :

• Crystal Frequency : 12 MHz.
• On – Board generators : 1. Adjustable amplitude sine generator
  of 1 & 2 KHz frequency ( synchronized ).
  2. Variable amplitude DC level ( 02 nos ).
• Analog Input Channels : Two.
• Multiplexing : Time Division Multiplexing.
• Modulation : Pulse Code Modulation.
• Sync Signal : Pseudo random sync code generator.
• Error checking code : Off – Odd – Even Hamming.
• Operating Mode : Fast 16 KHz / channel. Slow – 68 MHz (14.65 seconds) / channel ( approx ).
• Test Point : 49.
• Interconnections : 4 mm sockets.
• Power : 230V + 10% 50 Hz, 1 ? AC.
• Accessories : a. Detailed Instruction Manual.
  b. Set of Patch cords.

EXPERIMENTS:

1. Study of Pulse Code Modulation ( PCM ) technique.
2. Study of A / D converter.
3. Study of Parallel to Serial Data Conversion.
4. Study of Time Division Multiplexing of PCM data.
5. Study of Synchronization by Pseudo Random Code.
6. Study of Error Check Codes with switched faults operation.
7. Study of 3 connecting modes between transmitter and receiver.
   a. Sync, Clock, Data, Lines connected.
   b. Clock, Data connected.
   c. Only Data.
8. Study of effect of induced faults.