Resonance In Lossy Tuned Circuits

An often neglected property of voltage driven lossy tuned circuits is the fact that the frequency
where the voltage across the tuned circuit reaches it's maximum deviates from the frequency at which the current in the tuned circuit reaches it's maximum (given by Thomson's formula). Also, the shape of the current and voltage response curves differ. However, at losses occurring in practical circuits having a reasonably high Q-factor, the frequency deviation is small and can in most cases be neglected. Still, this topic deserves some attention since it is important for an in-depth understanding of lossy tuned circuits.

• Resonance In Lossy Tuned Circuits (111 KB)

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