Simplify the block diagram shown in figure below and obtain the closed- loop transfer function C(s) R(s). G.

Find the transfer functions of the circuit in figure below ..

Do b)

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Vs RE www 2₁ www Rc1 11 Vcc RC2 Q₂ RF Q3 +₁ -O V₂ Sketch the feedback small signal model of this circuit.

Q1) A closed loop system is shown below the input is R(s) and the output is Y(s) (s + 1) (s + 4) 1 1 (s – 3) Y(s) a) Determine the closed loop transfer function R(s) b) Derive the equivalent state space model c) Hence from the state space model Sketch a block diagram model for the system

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Q1- Draw the root-locus with all details for the positive values of gain for the system given by the open loop transfer function: K(s² – 8s + 15) | (s² + 3s + 2)

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