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In the given block diagram of a receiver...

In the given block diagram of a receiver, identify the boxes labelled as X and Y and write their functions.

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X is the IF block converts carrier frequency to a lower value and Y is the amplifire.
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CHHAYA PUBLICATION-COMMUNICATION STSTEM-CBSE SCANNER
  1. In the given block diagram of a receiver, identify the boxes labelled ...

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  2. Explain briefly the following terms used in communication system: Tr...

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  3. Explain briefly the following terms used in communication system: Re...

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  4. Explain briefly the following terms used in communication system: Am...

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  5. In the block diagram of simple modulator for obtaining an AM signal, s...

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  6. Name the type of wave which are used for line of slight (LOS) communic...

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  7. Write the function of the following in communication system: Transmi...

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  8. Write the function of the following in communication system: Modulat...

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  9. Write two basic modes of communication. Explain the process of amplitu...

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  10. Write the function of the following in communication system: Receive...

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  11. Write the function of the following in communication system: Demodul...

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  12. Write the function of a transducer in communication system:

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  13. Distinguish between 'sky wave' and ' space wave' modes of propagation....

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  14. Draw a block diagram of a simple modulator for obtaining amplitude mod...

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  15. A signal of 5 kHz frequency is amplitude modulated on a carrier wave o...

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  16. Why is baseband signal not transmitted directly? Give any two reasons...

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  17. What is space wave propagation? State the factors which limit its rang...

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  18. Distinguish between a transducer and a repeater.

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  19. Which basic mode of communication is used in satellite communication? ...

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  20. What is the line of sight communication?

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