The trainer provides all necessary inputs and connection for students to study signal Sampling and Reconstruction Techniques.

Technical Specifications

Crystal Frequency : 8 MHz
Sampling Frequency : 2, 5, 8,10, 20 & 40 KHz (switch selectable)
On-board Generator : Synchronized 1 KHz sine wave (5 V ) pp
Duty cycle : 0 - 90% in Decade steps (Switch Selectable)
Low -Pass Filters : Butterworth 2nd & 4th order Cut-off frequency - 3.4 KHz each
Test Point : 50
Interconnections : 2 mm sockets
Power Supply : 220 V ±10%, 50 / 60 Hz on request
Power Consumption : 3 VA (approx.)

• Crystal controlled pulse generator
• Demonstrates sampling and reconstructed 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)

Experiments that can be performed

• Signal Sampling and Reconstruction Technique
• Study of Nyquist criteria for sampling & reconstruction
• Aliasing & Effect on Reconstruction of Signal due to various Sampling Frequencies
• Effect on Amplitude of Reconstructed signal by varying Sampling
• Pulse Duty Cycle in Sample & Sample/Hold output
• Comparison of 2nd & 4 th Order Butterworth Filters
• Signal Sampling and Reconstruction using External sampling signal and audio signal