Engineering Board Exam Reviewer · Passive Filters · easy
The RC low-pass filter shown uses R=15 k and C=10 nF. Find its cutoff frequency.
- 1.06 kHz
- 6.67 kHz
- 0.531 kHz
- 2.12 kHz
Answer
A. 1.06 kHz
Solution
fc=1/2π RC= 12π(15 k )(10 nF)=1.06 kHz.
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