TDM - PAM Transmitter Receiver
Scientech 2152

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Product Description

Scientech TechBooks are compact and user friendly learning platforms to provide a modern, portable, comprehensive and practical way to learn Technology. Each TechBook is provided with detailed Multimedia learning material which covers basic theory, step by step procedure to conduct the experiment and other useful information.

TDM-PAM Transmitter and Receiver Scientech TechBook 2152 is a communication system where the message signal is modulated using Pulse Amplitude Modulation and multiple access is provided using Time Division Multiplexing. The message information is encoded in the amplitude of a series of signal pulses and transmitted using Time Division Multiplexing (i.e. in different time slots).

The TechBook demonstrates following modes of operation between transmitter and receiver -
Mode 1: 3 signals communication (Clock/Sync/Modulated Signals)
Mode 2: 2 signals communication (Sync/Modulated signals); Clock is recovered at receiver.
Mode 3: 1 signal communication (Modulated signal); Clock and Sync are recovered at receiver

Scientech 2152, TDM - PAM Transmitter Receiver is an ideal teaching aid to enhance education, training, skills & development amongs our young minds.

Product Features

Crystal controlled clock
On-board synchronized analog Signal Generator (DC and Sine wave)
Demonstrates sampling and reconstructed as per Nyquist criterion
Four switch selectable sampling frequencies
Sampling pulse duty-cycle selectable
On-board Pulse Generator
Four analog input channels to demonstrate TDM-PAM
Generation of clock at receiver by PLL
Fourth order Butterworth Low Pass Filter

Scope of Learning

Pulse Amplitude Modulation technique
Time Division Multiplexing and Demultiplexing
PLL as Frequency Multiplier to generate clock from sync signal
Three modes of operation between transmitter and receiver 4 (3 signals/ 2 signals/ 1 signal communication)
Effect of varying duty cycle of sampling pulse on signal 4 reconstruction
Effect of different sampling frequencies on TDM-PAM & demodulation technique