Figure 6 shows a circuit where feedback is provided between the drain and gate ofthe transistor M1Draw the small signal equivalent circuit of the open loop circuit obtained bybreaking the loop at the gate of transistor M1 (suitable for the analysis in themid band frequency range). Consider Cg as short circuit in the model and stateany assumption.(a)(b)State the necessary conditions for the oscillation to occur in the circuit.Using the conditions from (b), derive an expression for the amplifieroscillation frequency fo.(c)Derive the necessary condition for the oscillation to occur in the circuit andstate if you can conclude that the circuit will oscillate when considering thevalues of the inductances L2 = 8 Li = 2 mH; capacitors C = 2 nF;transconductance of the transistor gmi = 1.4 mS; and resistors R1 = R2= Rs =10 k2.(d)%3D%3DL2R1CV outCpM1R2CGRsCsVss =0 VFigure 6

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Figure 6 shows a circuit where feedback is provided between the drain and gate of the transistor M1 (a) Draw the small signal equivalent circuit of the open loop circuit obtained by breaking the loop at the gate of transistor M1 (suitable for the analysis in the mid band frequency range). Consider Cg as short circuit in the model and state any assumption. (b) State the necessary conditions for the oscillation to occur in the circuit. (c) Using the conditions from (b), derive an expression for the amplifier oscillation frequency fo. Derive the necessary condition for the oscillation to occur in the circuit and state if you can conclude that the circuit will oscillate when considering the values of the inductances L2 = 8 L1 transconductance of the transistor gml = (d) 2 mH; capacitors C = 2 nF; 1.4 mS; and resistors R1 = R2 = Rs = %3D %3D 10 k2. R1 Vout Cp HC M1 R2 CG Rs Cs V ss = 0 V Figure 6

Figure 6 shows a circuit where feedback is provided between the drain and gate of the transistor M1 (a) Draw the small signal equivalent circuit of the open loop circuit obtained by breaking the loop at the gate of transistor M1 (suitable for the analysis in the mid band frequency range). Consider Cg as short circuit in the model and state any assumption. (b) State the necessary conditions for the oscillation to occur in the circuit. (c) Using the conditions from (b), derive an expression for the amplifier oscillation frequency fo. Derive the necessary condition for the oscillation to occur in the circuit and state if you can conclude that the circuit will oscillate when considering the values of the inductances L2 = 8 L1 transconductance of the transistor gml = (d) 2 mH; capacitors C = 2 nF; 1.4 mS; and resistors R1 = R2 = Rs = %3D %3D 10 k2. R1 Vout Cp HC M1 R2 CG Rs Cs V ss = 0 V Figure 6

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter12: Power System Controls

Section: Chapter Questions

Problem 12.3P

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