Menu
Home / ECE / Exam Questions Paper :: Discussion

Discussion :: Exam Questions Paper

  1. The open loop transfer function of a unity feedback control system is given as The phase cross over frequency and the gain margin are respectively.

    2. A.
    and
    B.
    and
    C.
    and
    D.
    and

    View Answer

    Workspace

    View Answer

    Answer : Option A

    Explanation :

    At phase cross over frequency

    -90° - tan- 1 ωT1 - tan- 1 ωcT2 = - p

    = 90°

    GM = 1/a where a = | G(jω)|ω=ωc

    .

Write your comments here:

Be The First To Comment