TDM Pulse Code Demodulation Receiver Trainer

SALIENT FEATURES

• Input accepts two channel multiplexed data.
• On – Board De multiplexed PCM receiver.
• On – Board L.P. Filters.
• Fast and slow modes do real time operation & examination of control signal and data on LED.
• On – Bard Sync code Detector Error check code options:
  1. Odd or even parity single bit error detection.
  2. Hamming code – single but error detection.
  3. 4 switched faults for fault simulation.
• PC – PC communication

TECHNICAL SPECIFICATIONS

•  Input Channels : 2 TDM serial Input.
•  Demodulation : Pulse Code Demodulation.
•  Clock : Regulation by PLL.
•  Low Pass Filter : Butter worth – 4th order 1.4KHz cutoff frequency (2 nos.).
•  Operating Speed : Fast 240-320 KHz/Channel (approx) Slow 1-1.9 Hz/Channel (approx).
•  Error Correction : Off – Odd Even Parity Hamming Code.
•  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 : 4 nos. through 4 way DIP switch for troubleshooting at different blocks.
•  Test Points : More than 55.
•  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

•  PCM Demodulation technique.
•  Time Division de multiplexing of PCM data.
•  Clock Regeneration by PLL.
•  Effect of induced faults in the transmitter & receiver.
•  Signal recovery in 3 connecting modes between transmitting & receiver.
•  Clock & Frame Synchronization in PCM system.
•  PC – PC Communication in 3 modes.

OPTIONAL ACCESSORIES
♦ Multimedia interactive computer based training manual