Bộ phận điện tạo ra dao động sóng điện
VL+VC=0{\displaystyle V_{L}+V_{C}=0} d2dt2i+1Ti=0{\displaystyle {\frac {d^{2}}{dt^{2}}}i+{\frac {1}{T}}i=0} d2dt2i=−1Ti{\displaystyle {\frac {d^{2}}{dt^{2}}}i=-{\frac {1}{T}}i} i=ASinωt{\displaystyle i=ASin\omega t} ω=1T{\displaystyle \omega ={\sqrt {\frac {1}{T}}}} T=LC{\displaystyle T=LC}
ZL+ZC=0{\displaystyle Z_{L}+Z_{C}=0} .VL+VC=0{\displaystyle V_{L}+V_{C}=0} v(θ)=Asin(ωo+2π)+Asin(ωo−2π){\displaystyle v(\theta )=A\sin(\omega _{o}+2\pi )+A\sin(\omega _{o}-2\pi )} ωo=±j1T{\displaystyle \omega _{o}=\pm j{\sqrt {\frac {1}{T}}}} T=LC{\displaystyle T=LC}
VL+VC+VR=0{\displaystyle V_{L}+V_{C}+V_{R}=0} d2idt2+RLdidt+1Ti=0{\displaystyle {\frac {d^{2}i}{dt^{2}}}+{\frac {R}{L}}{\frac {di}{dt}}+{\frac {1}{T}}i=0} d2dt2i=−2αdidt−βi{\displaystyle {\frac {d^{2}}{dt^{2}}}i=-2\alpha {\frac {di}{dt}}-\beta i} i=A(α)Sinωt{\displaystyle i=A(\alpha )Sin\omega t} A(α)=Ae−αt{\displaystyle A(\alpha )=Ae^{-\alpha t}} ω=β−α{\displaystyle \omega ={\sqrt {\beta -\alpha }}} β=1T=1LC{\displaystyle \beta ={\frac {1}{T}}={\frac {1}{LC}}} γ=βγ=R2L{\displaystyle \gamma =\beta \gamma ={\frac {R}{2L}}} T=LC{\displaystyle T=LC} γ=RC{\displaystyle \gamma =RC}
ZL+ZC=0{\displaystyle Z_{L}+Z_{C}=0} .Zt=ZC+ZC+ZR=R{\displaystyle Z_{t}=Z_{C}+Z_{C}+Z_{R}=R} i(ω=0)=0{\displaystyle i(\omega =0)=0} i(ω=ωo)=vR{\displaystyle i(\omega =\omega _{o})={\frac {v}{R}}} i(ω=00)=0{\displaystyle i(\omega =00)=0} ωo=±j1T{\displaystyle \omega _{o}=\pm j{\sqrt {\frac {1}{T}}}} T=LC{\displaystyle T=LC}