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TDM - PAM Transmitter Receiver
Product Description
TDM-PAM Transmitter and Receiver Scientech 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).
Scientech 2152 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
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Pulse Amplitude Modulation technique
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Time Division Multiplexing and Demultiplexing
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PLL as Frequency Multiplier to generate clock from sync signal
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Three modes of operation between transmitter and receiver 4 (3 signals/ 2 signals/ 1 signal communication)
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Effect of varying duty cycle of sampling pulse on signal 4 reconstruction
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Effect of different sampling frequencies on TDM-PAM & demodulation technique
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