TDM Pulse Code Demodulation Receiver Trainer (VPL-CT-PCDM)
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:
- Odd or even parity single bit error detection.
- Hamming code – single but error detection.
- 4 switched faults for fault simulation.
- PC – PC communication via RS 232.
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