Calculate Low-Pass Filter Cutoff Frequency: Formula, R=20k Ohm, C=5nF, Solution & Photos

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#1 16793893 01 Nov 2017 15:57

Anonymous Anonymous

Anonymous

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Post #1
16793893 01 Nov 2017 15:57

Hi

I have a problem solving the task:
- Calculate the cutoff frequency of the low-pass filter. R = 20k Ohm and C = 5nF.
What formula should you use? Is this pattern correct?
How would you do it. They solved?
I am sending photos my solution.

greetings
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#2 16794058 01 Nov 2017 16:55

krychu0505 krychu0505

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Post #2
16794058 01 Nov 2017 16:55

Use the formula for the low-pass filter cutoff frequency as follows:
fg = 1 / (2? * R * C)
That is, in accordance with the one you provided. Now you have to substitute and calculate everything as you did. It should output 1592.3566 Hz or 1.592 kHz
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