RLC Calculator

Resistor, Inductor, Capacitor Circuit Analysis

Calculate resonant frequency, impedance, reactance, and quality factor for RLC circuits with multiple unit options.

Calculator

Resonant Frequency Formula:
fr = 1 / (2Ο€βˆš(LC))

About RLC Circuits

L (Inductance):

Opposes changes in current, measured in Henries (H)

C (Capacitance):

Stores electrical charge, measured in Farads (F)

R (Resistance):

Opposes current flow, measured in Ohms (Ξ©)

Features

  • Resonant frequency calculation
  • Impedance calculation
  • Reactance calculation (XL, XC)
  • Quality factor (Q) calculation
  • Bandwidth calculation
  • Multiple unit conversions
  • Quick example circuits
  • Copy results

Applications

Radio Tuning:

AM/FM receiver circuits

Filters:

Audio and signal processing

Power Supplies:

Smoothing and regulation

Oscillators:

Signal generation

Key Concepts

Resonance:

XL = XC, impedance is minimum

Quality Factor:

Higher Q = sharper resonance

Bandwidth:

Range of frequencies passed

Phase Angle:

Relationship between V and I