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Given a m-derived low pass filter has cut-off frequency 1 kHz, design impedance of 400Ω and the resonant frequency of 1100 Hz. Find the value of k.

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Given a m-derived low pass filter has cut-off frequency 1 kHz, design impedance of 400Ω and the resonant frequency of 1100 Hz. Find the value of k.

(a) 400

(b) 1000

(c) 1100

(d) 2100

The question was asked in quiz.

My question is from m-Derived T-Section in section Filters and Attenuators of Network Theory

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Right answer is (a) 400

The best explanation: The value of k is equal to the design impedance. Given design impedance is 400Ω. So, k = 400.

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