Electronic Devices - Op-Amp Applications - Discussion

Discussion Forum : Op-Amp Applications - General Questions (Q.No. 28)
28.
Calculate the cutoff frequency of a first-order low-pass filter for R1 = 2.5 k and C1 = 0.05 F.
1.273 kHz
12.73 kHz
127.3 kHz
127.30 Hz
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
6 comments Page 1 of 1.

Jeferson said:   4 years ago
It is; 1/2πRC.

Sandesh said:   4 years ago
Here, 1/2 * π * RC.

Frieo said:   4 years ago
How comes 3.14?

Tanisha said:   6 years ago
I agree @Aniket.

Aniket.V said:   8 years ago
Fc = 1/(2*3.14*2.5 k*0.05 u).
= 1.273 kHZ.

Jayashree hota said:   1 decade ago
RC=1/2*3.14*fc

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