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Question

What is the quality factor of RLC circuit?


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Solution

The quality factor of RLC circuit:

  1. that it is a ratio of resonant frequency to bandwidth and the higher the circuit Q, the smaller the bandwidth
    Q=ResonatingfrequencyBandwidth
  2. The quality factor is a ratio of resonant frequency to bandwidth.
  3. It relates the maximum or peak energy stored in the circuit (the reactance) to the energy dissipated (the resistance) during each cycle of oscillation.
  4. The higher the circuit Q, the smaller the bandwidth.
  5. The Q factor for a parallel RLC circuit is the inverse of the series case.
  6. This is useful in determining the bandwidth of a filter.


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