Electronics Handbook/Devices/Filter/Tuned Resonance Selected Band-reject

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R - LC

Configuration

Characteristics

{\frac {V_{o}}{V_{i}}}={\frac {j\omega L+{\frac {1}{j\omega C}}}{R+j\omega L+{\frac {1}{j\omega C}}}}

T=RC

\omega _{o}={\frac {1}{T}}={\frac {1}{RC}}

R - LC//

Configuration

Characteristics

{\frac {V_{o}}{V_{i}}}={\frac {j\omega C+{\frac {1}{j\omega L}}}{R+j\omega C+{\frac {1}{j\omega L}}}}

Summary

The two configurations above can be used for Tuned Resonance Selected Band Reject Filter

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