The system under consideration is an RC low-pass filter with R = 1 k� – McqOptions

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1.	The system under consideration is an RC low-pass filter with R = 1 kΩ and C = 1 µF. Let H (f) denotes the frequency response of the RC, low-pass filter. Let f1 be the highest frequency, such that 0≤\|f\|≤f1, \(\frac{\|H(f1)\|}{H(0)}\)≥0.95 Then f1 is ___________
A.	327.8
B.	163.9
C.	52.2
D.	104.4
Answer» D. 104.4

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