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प्रश्न
In the given block diagram of a receiver, identify the boxes labeled as X and Y and write their functions.
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उत्तर
X → If stage → Intermediate frequency stage to change the carrier frequency to lower frequency.
Y → Amplifier → It amplifies the signal i.e. it increase the amplitude of the detected signal to compensate the attenuation of the signal. The detected signal may not be strong enough to use.
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