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Wave Optics
Question
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Block diagram of a receiver is shown in the figure:



(a) Identify ‘X’ and ‘Y’.

(b) Write their functions.

Answer

a) X represents Intermediate frequency stage and Y represents amplifier.

b) IF stage changes the electromagnetic wave of high frequency to a lower frequency for further detection in detector.

Function of amplifier is to enhance the power of the signals upto a required level.

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(ii)    represent values as discrete steps,
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