实用电子学/并联 RLC

摘要

网络	符号	串联 RLC	并联 RLC
网络
阻抗	Z	$Z=(j\omega )^{2}+(j\omega ){\frac {R}{L}}+{\frac {1}{LC}}$	$Z=(j\omega )^{2}+(j\omega ){\frac {1}{RC}}+{\frac {1}{LC}}$
根	λ	λ = $-\zeta \pm {\sqrt {\zeta ^{2}-\omega _{o}^{2}}}$	λ = $-\zeta \pm {\sqrt {\zeta ^{2}-\omega _{o}^{2}}}$
I(t)	Aeλ1t + Beλ2t	Aeλ1t + Beλ2t	Aeλ1t + Beλ2t
阻尼系数	$\zeta$	$\zeta ={R \over 2L}$	$\zeta ={1 \over 2RC}$
谐振频率	$\omega _{o}$	$\omega _{o}={1 \over {\sqrt {LC}}}$	$\omega _{o}={1 \over {\sqrt {LC}}}$
带宽	$\Delta \omega =2\zeta$	${R \over L}$	${1 \over CR}$
品质因数	$Q={\omega _{o} \over \Delta \omega }={\omega _{o} \over 2\zeta }$	$Q={L \over R{\sqrt {LC}}}={1 \over R}{\sqrt {L \over C}}$	$Q={CR \over {\sqrt {LC}}}={R}{\sqrt {C \over L}}$