In radio receiver, the maximum contribution to noise is from
Answer: C
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Standard AM radio broadcasts are confined to
Answer: A
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A receiver having poor IF selectivity will also have poor
Answer: C
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Noise limiter is provided on AM receivers to
Answer: D
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A FM signal with modulation index Mf is passed through a frequency doubler. The wave in the output of the doubler will have modulation index of
Answer: C
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In a radio receiver, the local oscillator is always tuned to a frequency higher than the incoming frequency to
Answer: B
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RF amplifiers are used in radio receivers for
Answer: D
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Most of the amplification of the received signal is obtained in a superheterodyne receiver from the
Answer: A
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Fidelity of a receiver represents
Answer: C
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A duplexer is a device used to
Answer: C
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