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Discussion :: Communication Systems

  1. Consider the following statements as regards IF in radio receivers

    1. If IF is too high, poor selectivity and poor adjacent channel rejection could result
    2. If IF is high, tracking difficulties increase
    3. A very low IF makes selectivity too sharp
    4. As IF is decreased, image frequency rejection becomes better
    Which of the above are correct?

  2. A.
    1, 2, 3, 4
    B.
    1, 2, 3
    C.
    2, 3, 4
    D.
    1, 3, 4

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    Answer : Option B

    Explanation :

    No answer description available for this question.


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