Basic knowledge of high-frequency characteristics of inductors and capacitors - impedance and resonance 3

Date:2026-02-05 Categories:Product knowledge Hits:204 From:Guangdong Youfeng Microelectronics Co., Ltd


For inductors, the formula for calculating the resonant frequency is:  diode,

fr = 1 / (2π√LC)

Among them, fr is the resonant frequency, L is the inductance, and C is the capacitance.

For capacitors, the formula for calculating the resonant frequency is: diode

fr = 1 / (2π√LC)

The resonant frequency is related to the values of inductance and capacitance. When the frequency is equal to the resonant frequency, the impedance of the inductor or capacitor reaches its minimum value. In high-frequency circuits, resonance can be used to screen signals of specific frequencies or achieve frequency selection.

In summary, inductors and capacitors have different impedance and resonant characteristics in high-frequency circuits. Understanding their characteristics can help us better design and analyze high-frequency circuits.  diode



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