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Re: What is Q?
Original poster: "Herwig Roscher by way of Terry Fritz <twftesla-at-uswest-dot-net>" <herwig.roscher-at-gmx.de>
Corey May wrote:
> Hi, I was wondering what is the Q or Q factor is...whatever it is
Q or Quality factor by definition is: reactance divided by loss. For
coils this means:
Q = 2 * pi * f * L / loss
For "loss" you need to use the AC resistance which will be higher
than the DC resistance (maybe 3 or 4 times higher) due to skin
and proximity effects.