Fundamental Physics/Electricity/Electric device/Electric stabilization

Voltage stabilizer provides stable voltage over frequency of time

Low frequency filter

Configuration	Formula
Low frequency filter		${\frac {v_{o}}{v_{2}}}={\frac {\frac {1}{j\omega C}}{R+{\frac {1}{j\omega C}}}}={\frac {1}{1+j\omega T}}$ $T=RC$ $\omega _{o}={\frac {1}{T}}={\frac {1}{RC}}$ $v_{o}(\omega =0)=v_{i}$ $v_{o}(\omega =\omega _{o})={\frac {v_{i}}{2}}$ $v_{o}(\omega =00)=0$
Low frequency filter		${\frac {v_{o}}{v_{2}}}={\frac {R}{R=j\omega L}}={\frac {1}{1+j\omega T}}$ $T={\frac {L}{R}}$ $\omega _{o}={\frac {1}{T}}={\frac {R}{L}}$ $v_{o}(\omega =0)=v_{i}$ $v_{o}(\omega =\omega _{o})={\frac {v_{i}}{2}}$ $v_{o}(\omega =00)=0$
High frequency filter		${\frac {v_{o}}{v_{2}}}={\frac {j\omega T}{1+j\omega T}}$ $T=RC$ $\omega _{o}={\frac {1}{T}}={\frac {1}{RC}}$ $v_{o}(\omega =0)=0$ $v_{o}(\omega =\omega _{o})={\frac {v_{i}}{2}}$ $v_{o}(\omega =00)=v_{i}$
High frequency filter		${\frac {v_{o}}{v_{2}}}={\frac {j\omega T}{1+j\omega T}}$ $T={\frac {L}{R}}$ $\omega _{o}={\frac {1}{T}}={\frac {R}{L}}$ $v_{o}(\omega =0)=0$ $v_{o}(\omega =\omega _{o})={\frac {v_{i}}{2}}$ $v_{o}(\omega =00)=v_{i}$
Band pass filter		${\frac {v_{o}}{v_{i}}}=({\frac {1}{1+j\omega T_{L}}})({\frac {j\omega T_{H}}{1+j\omega _{H}}})$ $T_{L}={\frac {L}{R}}$ $T_{H}=RC$ $\omega _{L}-\omega _{H}={\frac {R}{L}}-{\frac {1}{RC}}$
Band pass filter		${\frac {v_{o}}{v_{i}}}=({\frac {1}{1+j\omega T_{L}}})({\frac {j\omega T_{H}}{1+j\omega _{H}}})$ $T_{L}=RC$ $T_{H}={\frac {L}{R}}$ $\omega _{L}-\omega _{H}={\frac {1}{RC}}-{\frac {R}{L}}$
Resonance tuned band pass filter		${\frac {v_{o}}{v_{i}}}={\frac {R}{R+j\omega L+{\frac {1}{j\omega C}}}}$ $\omega =\omega _{1}-\omega _{2}$ $v_{o}(\omega =0)=0$ $v_{o}(\omega =\omega _{o})=v_{i}$ $v_{o}(\omega =00)=0$
Resonance tuned band pass filter		${\frac {v_{o}}{v_{i}}}={\frac {j\omega C+{\frac {1}{j\omega L}}}{R+j\omega C+{\frac {1}{j\omega L}}}}$ $\omega =\omega _{1}-\omega _{2}$ $v_{o}(\omega =0)=0$ $v_{o}(\omega =\omega _{o})=v_{i}$ $v_{o}(\omega =00)=0$
Resonance tuned band reject filter	LC-R	${\frac {v_{o}}{v_{i}}}={\frac {R}{R+j\omega L+{\frac {1}{j\omega C}}}}$ $\omega =\omega _{1}-\omega _{2}$ $v_{o}(\omega =0)=v_{i}$ $v_{o}(\omega =\omega _{o})=0$ $v_{o}(\omega =00)=v_{i}$
Resonance tuned band reject filter	R-LC	${\frac {v_{o}}{v_{i}}}={\frac {j\omega C+{\frac {1}{j\omega L}}}{R+j\omega C+{\frac {1}{j\omega L}}}}$ $\omega =\omega _{1}-\omega _{2}$ $v_{o}(\omega =0)=v_{i}$ $v_{o}(\omega =\omega _{o})=0$ $v_{o}(\omega =00)=v_{i}$

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