Q-factor question

dimanche 30 mars 2014

Hi all,



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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