Question: A digital audio system is designed to minimize the effect of disturbances as shown in Figure E4.2. As an approximation, we may represent G(s) =

A digital audio system is designed to minimize the effect of disturbances as shown in Figure E4.2. As an approximation, we may represent G(s) = K2.
(a) Calculate the sensitivity of the system due to K2.
(b) Calculate the effect of the disturbance noise Td(s) on V0.
(c) What value would you select for K1 to minimize the effect of the disturbance?
Figure E4.2
Digital audio system.

rins) Amplifier

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