Resonance Frequency Calculator

Calculate resonant frequency, bandwidth, and quality factor for RLC circuits.

Ω
Series RLC Circuit
Ω
Parallel RLC Circuit

Resonance Reference

Key Formulas
  • fr = 1/(2π√LC)
  • Q = (1/R)√(L/C)
  • BW = fr/Q
Circuit Characteristics
  • XL = XC at resonance
  • Z = R at series resonance
  • Z = ∞ at parallel resonance
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