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The effect of the inductor, capacitor, and magnetic bead connected between two grounds_Inductor coil_Electromagnetic coil
The effect of the inductor, capacitor, and magnetic bead connected between the two grounds
The inductor is connected between two grounds, which usually serves to block different functions, such as partially emulating the circuit with the digital circuit, or with a large current and small signal control, and so on.
The principle of blocking is simply because its rationality can interfere with the mutual crosstalk of the signals by high frequency disturbances, preventing unintended changes in the potentials of the different functions.
However, the inductance is usually not suitable, and its distribution capacitance is more significant at high frequencies.
The layout of the magnetic bead is different from the inductance. There is no distributed capacitance. When it is low frequency, it is equivalent to short circuit. When it is high frequency, it is equivalent to resistance. The energy is released by heat, and the blocking effect is excellent.
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