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Write the waveform at various stages of ...

Write the waveform at various stages of detection of the message signal.

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SUBHASH PUBLICATION-COMMUNICATION SYSTEMS -TWO MARK QUESTIONS WITH ANSWERS
  1. Define modulation index. What should be its value to avoid distortion ...

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  2. Draw an amplitude modulated wave with an equation.

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  3. Draw the block diagram of generalised communication system.

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  4. Write the block diagram of a transmitter.

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  5. Draw block diagram of a reciever

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  6. Write the block diagram of a detector for AM signal.

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  7. Write the waveform at various stages of detection of the message signa...

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  8. Give the formula to calculate the range of radiations of e.m.w by an a...

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  9. How can pulse modulation be classified ?

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  10. What is meant by Pulse modulation ?

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  11. What is meant by Phase modulation ?

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  12. Mention the two types of messages that can be transmitted.

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  13. What is modulation necessary ?

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  14. How is Amplitude modulation produced ?

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  15. A message signal of frequency 10 kHz and peak voltage 5V is used to mo...

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  16. A message signal of frequency 10 kHz and peak voltage 5V is used to mo...

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  17. Match the following (Inventors and their Inventions). (1) John Logi ...

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  18. A carrier wave of peak voltage 12 V is used to transmit a message sign...

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  19. A TV transmitting antenna is 81 m tall. How much service area can it c...

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  20. For an amplitude modulated wave, the maximum amplitude is found to be ...

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