PAM-PPM-PWM Modulation and Demodulation Trainer

PAM- PPM- PWM is the basic pulse modulation techniques. This trainer provides complete setup to the students for performing Experiments on these techniques. They can study Sampling, Pulse Modulation &Signal reconstruction process. Separate circuits are provided for each Techniques.

FEATURES:

• PAM- PPM- PWM Modulation and Demodulation Techniques,using Natural and Flat - top Sampling.

• Natural Sample, Sample and Hold and Flat-top outputs.
• Selectable 2 different sampling pulse frequencies on board.
• On board Sine wave generators.
• Voice communication using dynamic microphone and speaker
• On board Filters and Amplifier
• Functional blocks indicated on board schematic
• Input- Output and Test points provided on board.
• Built in DC Power Supply
• Fully documented operating Manual

TECHNICAL SPECIFICATION:

• Crystal Frequency : 6.14MHz
• Sampling Frequency : 16 KHz, 32 KHz
• Sine wave Generator : 1 KHz &500Hz, Amplitude (0-5)V, Tolerance +5%
• Low Pass Filter : 4 Order BW Filter
• Cut off frequency : 3.4 KHz
• Voice Communication : Voice Link using dynamic mic & speaker
• AC Amplifier : With Adjustable Gain control
• Microphone type : Dynamic, 600 Ohm.
• Audio Pre-amplifier : Op-amp based
• Power amplifier : 1W Mono
• Interconnections : BS2 Connector.
• Power : 230V, 50Hz