Refer to Figure P6.4 and the parameter values listed in Problem 6.76:

R1 = 300?, R2 = R3 = 500?, L = 4H, C1 = 40?F, C2 = 160?F.



a. Determine the frequency response:



Repeat parts b and c (below) of Problem 6.76 for this frequency response.



b. Sketch, by hand, the associated Bode magnitude and phase plots. List all the steps in constructing the plot. Clearly show the break frequencies on the frequency axis. (Hint: Use the MatlabTM command “roots” or a calculator to quickly determine the polynomial roots.)

c. Use the MatlabTM command “Bode” to generate the same plots. Verify your sketch.


Analysis:

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