作者juicyworm (我愛玩愛玩愛玩)
看板Electronics
標題Re: [問題] 請問品質因數Q的定義?
時間Sat Aug 18 10:11:17 2007
Q factor has 3 common definitions
[1]
the ratio of center frequency and the two sided -3dB bandwidth
[2]
2*pi*(stored energy per cycle/dissipated energy per cycle)
[3]
ω0 dΦ
Q = ---- -----
2 dω
where ω0 is the resonance frequency
and Φ is the phase of the transfer function
[REF] B. Razavi, A Study of Phase Noise in CMOS Oscillators, IEEE JSSC 1996
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◆ From: 220.134.36.78
※ 編輯: juicyworm 來自: 220.134.36.78 (08/18 10:13)
1F：推 mwu:感謝這位先進的回答,我會仔細研究,謝謝 08/18 11:23