The input to a linear circuit is the voltage vi(t) and the response is the voltage

Chapter 14, Problem P14.10-3

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QUESTION:

The input to a linear circuit is the voltage \(v_{\mathrm{i}}(t)\) and the response is the voltage \(v_o(t)\). The impulse response h(t) of this circuit is

                                                               \(h(t)=30 t e^{-5 t} u(t) \mathrm{V}\)

Determine the steady-state response of this circuit when the input is

                                                              \(\mathrm{v}_i(t)=10 \cos (3 t) \mathrm{V}\)

Questions & Answers

QUESTION:

The input to a linear circuit is the voltage \(v_{\mathrm{i}}(t)\) and the response is the voltage \(v_o(t)\). The impulse response h(t) of this circuit is

                                                               \(h(t)=30 t e^{-5 t} u(t) \mathrm{V}\)

Determine the steady-state response of this circuit when the input is

                                                              \(\mathrm{v}_i(t)=10 \cos (3 t) \mathrm{V}\)

ANSWER:

Step 1 of 3

The impulse response of the circuit is,

     

Taking Laplace to transform both sides.  Then transfer function is

     

     ............(1)

Both poles are on the negative axis. So the circuit is stable.

 

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