Question: (a) Design a second order passive LPF with cutoff frequency of 1kHz (you could connect two 1st order filters in series). b) Use unity gain

(a) Design a second order passive LPF with cutoff frequency of 1kHz (you could connect two 1st order filters in series).

b) Use unity gain buffer (between the two stages) in the above design and observe the results. Provide proper explanation for observations in (a) and (b).

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