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problem 1: We measure the performance of a telephone line (4 kHz ok bandwidth). If the signal is 10 volts, the noise is 5 mill volts. Then determine the maximum data rate supported by this telephone line?

problem 2: Illustrate the difference between encoding and modulating?

problem 3: Illustrate the term digital-to-digital encoding?

problem 4: What do you mean by digital-to-analog and analog-to-digital conversion?

problem 5: What do you mean by analog-to-analog conversion?

problem 6: Why is frequency modulation superior to the amplitude modulation?

problem 7: What is the benefit of QAM over the ASK or PSK?

problem 8: What do you mean by DC component?

problem 9: Why is synchronization a difficulty in the data communication?

problem 10: How does NRZ-L distinct from NRZ-I?

Electrical & Electronics, Engineering

  • Category:- Electrical & Electronics
  • Reference No.:- M97226

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