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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.


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  • By: guest on 02 Jun 2017 12.55 am
    At phase cross over frequency -90° - tan- 1 ωT1 - tan- 1 ωcT2 = - p = 90° GM = 1/a where a = | G(jω)|ω=ωc .
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