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The circuit given below, represents which filter?

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in Signals and Systems by (1.2m points)
The circuit given below, represents which filter?

(a) Low-pass

(b) High-pass

(c) Band-pass

(d) Band-stop

I got this question in a dream while sleeping

This key question is from Ideal LPF, HPF, BPF and BSF Characteristics in chapter Signal Transmission Through Linear Systems of Signals and Systems

1 Answer

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by (42.1k points)
Correct choice is (b) High-pass

Easiest explanation: From the given circuit, we can infer that Roll off of the Filter circuit is 80dB/decade. This Roll-off value is obtained as second order high pass filter followed by another 2nd order HPF results in an HPF.

Therefore the circuit represents a High-pass Filter.

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