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Timeline for How can I induce quality factor?

Current License: CC BY-SA 3.0

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Apr 14, 2016 at 17:28 vote accept user325050
Apr 14, 2016 at 17:28 comment added user325050 Got it. I'm really appreciate your effort.
Apr 14, 2016 at 17:26 comment added Andy aka It is what it is the way I have derived it. If you have a different circuit in mind that you want the TF for then I'm not aware of it. Maybe you think that at resonance the TF won't be unity - if so I can assure you that it will be (more math needed of course).
Apr 14, 2016 at 17:21 comment added user325050 I mean, I thought that numerator should be R, not \$X_L||X_C\$
Apr 14, 2016 at 17:19 comment added Andy aka For the equivalent of a bode plot (|H(s)|) swap s for jw. Are you aware it's a bandpass filter centred at \$\sqrt{1/LC}\$
Apr 14, 2016 at 17:17 comment added user325050 This is answer I wanted. I understand most of them. Thanks a lot, again. The only thing I can't understand is, numerator. What exactly should I use in numerator when I try to find frequency response?
Apr 14, 2016 at 17:07 comment added Andy aka Done (hopefully).
Apr 14, 2016 at 17:05 history edited Andy aka CC BY-SA 3.0
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Apr 14, 2016 at 17:04 comment added user325050 I'll wait for you. Thx
Apr 14, 2016 at 16:45 comment added Andy aka I'll add explanation to my answer. Give me a few minutes....
Apr 14, 2016 at 16:38 comment added user325050 Sorry, I misunderstood your answer. Your formula is right. How can I induce that formula?
Apr 14, 2016 at 16:34 comment added Andy aka My formula IS zeta for a parallel RLC. Do the algebra to simply convert to Q.
Apr 14, 2016 at 15:13 comment added user325050 That one was about series RLC circuit. I'm trying to find parallel quality factor.
Apr 14, 2016 at 14:57 history answered Andy aka CC BY-SA 3.0