Wednesday, November 1, 2017
Frequency Resonance Calculator: Series RLC Circuits
When a capacitor, resistor and inductor are connected in series, a series resonant circuit is formed. A series resonant circuit has a frequency response that has a minimum reactance and maximum gain at the resonant frequency. The series resonant circuit effectively acts as a bandpass filter.
The resonance frequency for a series resonant circult can be calculated with the formula:
fr = 1/2*PI*SQR(LC)
Where
Fr = Resonant Frequency in Hertz
PI = 3.14
L = Inductance in Henries
C = Capacitance in Farads
The formula can be derived by equating the inductive reactance to the capacitive reactance in a series circuit and then solving for the frequency.
Series Resonance Frequency Calculator
To calculate the resonance frequency, you can use the calculator below. For the calculator, enter in the inductance in milliHenries (mH) and capacitance in microFarads(uF). The resulting resonant frequency is given in Hertz.
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