TDM-PCM Receiver Trainer

This trainer is a single glass epoxy printed circuit board with legends neatly screen printed in multi colour on the front side and all the components are soldered back side of the pcb to avoid tampering of fixed components like resistors, capacitors, transistors, diodes, and variable components like potentiometers are mounted on the front side of the PCB for making linear measurements.
Features

1. Input accepts two channel multiplexed data.

2. On board demultiplexed PCM receiver.

3. On board L.P filter.

4. Fast & slow operation and examination of control signal and data on LED.

5. On board PLL for clock regeneration.

6. On board sync code detector.

7. Error check code options.
a) Odd or Even parity single bit error detection.
b) Hamming code single bit error detection and correction.

8. 4-switched faults allow different error code option.

Technical Specifications

Input Channels Two time division Multiplexed Serial Input
Demodulation Pulse Code Demodulation
Clock Regeneration by phase locked loop. Low
Low Pass Filter Butter worth 4th order 3.4KHz cut off freq. (2nos)
Operating modes Fast – 16 KHz / channel
Slow – 68MHz/channel
Error Detection (single bit) off-odd & even parity, hamming code
Error Correction Hamming code
Test Points 56.
Interconnections 2mm Sockets
Power requirements 230V 10%, 50Hz
Accessories Included Manual, Set of patch wires


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