Engineering Board Exam Reviewer · Passive Filters · medium

The series RLC band-pass filter shown takes its output across the resistor, with L=10 mH, C=100 nF, and R=100, . Find its center frequency.

  1. 31.6 kHz
  2. 5.03 kHz
  3. 2.52 kHz
  4. 10.1 kHz

Answer

B. 5.03 kHz

Solution

f0= 12πsqrt(LC)= 12π (0.01)(0.1×10-6)=5.03 kHz.

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