Sampling & Reconstruction Technique
Scientech 2151

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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.

Scientech Sampling and Reconstruction TechBook 2151 demonstrates the basic scheme used to transmit an information signal. It covers very basic concepts like Nyquist criteria, role of sample amplifier, sample and hold amplifier, and duty cycle of sampling pulse while transmitting a signal. It also demonstrates signal recovery using low pass filters of different orders. Scientech TechBook 2151 has built in 1 KHz (5Vp-p) sine wave generator as an onboard signal to demonstrate completely, the sampling and reconstruction technique.

To understand the process for audio signal, the Audio Input and Audio Output circuits are provided on board along with mic and built-in speaker. The aim is to transmit the signals in digital form and is to reproduce this information signal in analog form at the receiving end of the communication system with the help of Sampling and Reconstruction technique.

Product Features

Crystal controlled pulse generator
Demonstrates sampling and reconstruction as per nyquist criterion
On-board synchronized analog signal generator
Six switch selectable sampling frequencies
Sampling pulse duty-cycle selectable
Internal/External sampling signal selectable
Separate sample and sample/hold outputs available
On-board second order and fourth order low-pass filters
Audio Input and Output links to show the transmission and reception of real time signal (audio signal)

Scope of Learning

Study of Sampling and Reconstruction techniques
Study Nyquist criteria for Sampling and Reconstructing signal
Study effect of Sample amplifier and Sample and Hold amplifier on reconstructed signal
Study effect of Sample /Hold Circuitry on reconstructed waveform
Study and compare responses of 2nd order and 4th order LPFs