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Given the impedance spectrum of a resonance circuit, I know that in order to calculate the Q factor we find the 3db bandwidth and then we use the following equation

Q = f_r/f_3dbbandwidth,

to find Q.

My question is how can I use, for example, the 1db bandwidth to calculate the Q factor. There should be some multiplication factor in there somewhere for this case.

Thank you

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# Q-factor question

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