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  1. What will be the maximum conversion time in 6 bit dual slope A/D converter uses a reference of -6v and a 1 MHz clock. It uses a fixed count of 40 (101000).

    2. A.
    108 sec
    B.
    63 μ sec
    C.
    40 sec
    D.
    80 μ sec

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    Answer : Option A

    Explanation :

    for t2 maximum all bits should be 111111 = (63)10

    Maximum conversion time = 63 + 40 = 103 μ sec and it takes 5 μ sec to transfer N2 to the O/P register.

    tcmax = 108 μ sec.

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