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1) Describe the indirect method of generation of FM wave and any one method of demodulating the FM wave.

2) Deduce the expression for frequency modulated signal. Describe what do you mean by narrowband FM and wideband FM using expression?

3) Describe any two techniques of demodulation of FM.

4) Describe the working of reactance tube modulator and deduce the expression to demonstrate how variation of the amplitude of the input signal changes the frequency of the output signal of the modulator.

5) Design the frequency spectrum of FM and describe. Describe how Varactor diode can be used for frequency modulation.

6) describe the indirect method of generating a wide-band FM signal.

7) Design the circuit diagram of Foster-Seelay discriminator and describe its working.

8) describe a random variable. State the sample space and the random variable for a coin tossing experiment.

Electrical & Electronics, Engineering

  • Category:- Electrical & Electronics
  • Reference No.:- M911003

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