Consider the circuit in Figure Q22.13. (a) Draw equivalent circuits that apply at high and low frequencies.

Question:

Consider the circuit in Figure Q22.13.
(a) Draw equivalent circuits that apply at high and low frequencies.
(b) Estimate the ratio V_out/V_in at high and low frequencies.
(c) Explain how this circuit acts as a filter that blocks high frequencies but lets low frequencies pass. It is one type of “low-pass” filter.

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