Transcription of The Two Faces of Q - W7ZOI Site
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The Two Faces of QWes Hayward, W7ZOI , November, :14 Dec10, 29 Dec10, 14, 2015. Seeaddendumat document home-lab measurements of Q only evaluate an LC then tend to associate the resulting Q with inductor losswhile capacitor Q is assumed to be quite assumptionis now in greater doubt, especially with SMT aneffort to isolate capacitor Q from inductor Q, some well specifiedhigh Q mica capacitors were purchased and used allowed evaluation of some inductors thatthen become "standards" that can be used to evaluate available capacitor types were investigated and someinductor Q measurements were 've always been interested in the design of frequency selective filters andimpedance transforming connected to this has been along standing interest in the measurement of Q with some of this work havingappeared on this web report is anupdate (and summary) of parts ofthat figure shows an ideal LC tuned circuit, or separat
The Two Faces of Q Wes Hayward, w7zoi, November, 2010. Updates: 14Dec10, 29Dec10, 2Jan11. April 14, 2015. See addendum at document end. Abstract Most home-lab measurements of Q only evaluate an LC resonator.
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