K - 15 DELTA MODULATION & DEMODULATION

• To introduce several basic concepts related to Delta Modulation (DM).
• To study the hardware implementation of Delta Modulation.
• A hardware circuit for DM is built so that the DM waveforms can be observed on an oscilloscope.
• Delta Modulation is a process of modulation where a train of fixed width pulses is transmitted, whose polarity indicates whether the demodulator output should rise or fall at each pulse. The output is caused to rise or fall by a fixed step height at each pulse.

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Features of the Trainer
o Delta Modulation is a process of modulation where a train of fixed-width pulses is transmitted, whose polarity indicates whether the demodulator output should rise or fall at each pulse. The output is caused to rise or fall by a fixed step height at each pulse.
Clock Generator:
o Output Square
o Frequency 100KHz
o Amplitude 10V

Audio Oscillator:
o Output Sine
o Frequency 200Hz-2KHz
o Amplitude 0-10V

Built it regulated power supply
DC +5V/300 mA.
Power Supply
Voltage range : AC 100V – 230V Frequency Range : 50 – 60Hz
Housing
It is housed in an elegant metal cabinet(CNC Machine finish)
Dimension
38cm x 30cm x 12cm
Weight
3.5kgs
This trainer is a glass-epoxy printed circuit board and all the symbols screen-printed on the front panel so that it enables the student to conduct the experiments easily
Accessories:
• 2mm multi coloured moulded patch cords with daisying facility.
• Computer simulated outputs and Step-By-Step detailed instructions are provided with the instruction manual.

 

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