A low-pass filter is designed to let low-frequency signals pass through, while a

Question

A low-pass filter is designed to let low-frequency signals pass through, while attenuating high-frequency signals. The circuit below is a low-pass filter that amplifies low frequency input voltage and attenuates high-frequency input voltage. Analyze the frequency response of the magnitude and phase of the transfer function M/? = Vout/Vin where M, ?, Vout and Vin are all functions of frequency. Make plots of both M and ?, each versus ?. Let Cf = 2.2 ?F, Rf = 10 k?, and R1 = 1 k?. The analysis can be done with phasors (sinusoidal steady-state analysis) by considering the frequency as the independent variable.

Explanation / Answer

low pass filter lets low frequency signals pass through and attenuates high frequencies vice versa for high pass filter

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