The trainer provides all necessary inputs and connections for students to study signal Pulse Amplitude Modulation / Pulse Width Modulation / Pulse Position Modulation techniques. It provides to examine sampling, modulation, Demodulation and signal reconstruction.
Features :
► All types of Modulation Demodulation techniques using natural & flat top sampling.
► Pulse Amplitude Modulation
► Pulse Width Modulation
► Pulse Position Modulation
► Analog sampled outputs & sampled ‘hold’ outputs.
► Selectable 4 different sampling frequency from on-board Pulse Generator.
► 4 different on-board sine-wave generator
► Voice Communication using dynamic mic & speaker
► 4th order butterworth LP filter.
► 8 Switch Fault
► On – board Filter & AC amplifier
Technical Specification
1. On Board Sampling Frequency : 4 KHz, 8KHz, 16KHz, 32KHz .
2. Modulation : 1. Pulse Amplitude Modulation
2. Pulse Width Modulation
3. Pulse Position Modulation
3. On – board Sine Wave Generator : 250 Hz, 500 Hz, 1 KHz, 2 KHz
( Variable Amplitude 0-4 V.p-p).
4. Voice Communication : Voice link using Dynamic Mic & Speaker
5. Low Pass filter cut – off freq. : 3.4 KHz / 4th order butterworth LP filter.
6. Power Requirement : 230V + 10% 50 Hz.
7. Dimensions : a. Manuals
b. Set of patch cords.
c. Line cord.
8. AC Amplifier : with adjustable gain control
9. D.C. Output : 0 – 4 V ( Variable )
10. Interconnection : 4mm Bannana Socket.
11. Test point : 29.
Experiment that can be performed :
1. Study of pulse amplitude modulation & demodulation using natural sampling & flat top.
2. Study of pulse amplitude modulation & demodulation using flat top sampling.
3. Study of pulse width modulation & Demodulation using natural & flat top sampling / with different frequency.
4. Study of pulse position modulation & Demodulation using natural sampling / DC & AC modulating signal.
5. Study of Voice Communication using PAM & PWM techniques.