Question:medium

Which of the following is not correct if the intermediate frequency is too high?

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High IF improves image rejection but worsens selectivity and tracking.

Updated On: Jun 25, 2026

Poor selectivity
Poor adjacent channel rejection
Increase tracking difficulties
Poor image frequency rejection

Show Solution

The Correct Option is D

Solution and Explanation

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Top Questions on communication systems

The percentage of the total power carried by the sidebands of the AM wave for tone modulation when the modulation index is 0.3 is:
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View Solution

Match List-I with List-II:

List-I (Modulation Schemes)	List-II (Wave Expressions)
(A) Amplitude Modulation	(I) \( x(t) = A\cos(\omega_c t + k m(t)) \)
(B) Phase Modulation	(II) \( x(t) = A\cos(\omega_c t + k \int m(t)dt) \)
(C) Frequency Modulation	(III) \( x(t) = A + m(t)\cos(\omega_c t) \)
(D) DSB-SC Modulation	(IV) \( x(t) = m(t)\cos(\omega_c t) \)

Choose the correct answer:

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