免费LC谐振计算器
计算LC振荡电路的谐振频率。
µH
pF
谐振频率
1,591,549 Hz
Frequency (MHz)1.5915 MHz
Resonant Frequency vs Inductance
公式
## LC Resonant Frequency **f = 1 / (2 x pi x sqrt(L x C))** At resonance, inductive and capacitive reactances are equal and cancel, allowing maximum energy transfer.
计算示例
100 uH and 100 pF.
- 01L = 100 uH = 0.0001 H
- 02C = 100 pF = 1e-10 F
- 03f = 1 / (2pi x sqrt(0.0001 x 1e-10))
- 04f = 1 / (2pi x sqrt(1e-14)) = 1 / (2pi x 1e-7)
- 05f = 1,591,549 Hz = 1.5915 MHz
常见问题
What happens at resonance?
XL = XC, impedance is minimized (series) or maximized (parallel), and energy oscillates between L and C.
What is this used for?
Radio tuning, oscillators, filters, impedance matching networks.
Does resistance affect resonant frequency?
Ideal resonant frequency is independent of resistance, but resistance affects bandwidth and Q factor.
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