Engineering Board Exam Reviewer · Passive Filters · medium
The RL high-pass filter shown uses R=470, and L=22 mH. Find its cutoff frequency.
- 21.4 kHz
- 6.8 kHz
- 1.7 kHz
- 3.4 kHz
Answer
D. 3.4 kHz
Solution
fc=R/2π L= 470, 2π(22 mH)=3.4 kHz.
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