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Filter inductor

Listing date: 2017-05-22
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滤波器电感

 

  

Filter inductor

Basic functions: wave storage, oscillation, delay, trap and so on.

Frankly speaking: "through direct current, resistance to communication"

Detailed explanation: in electronic circuits, the inductor coil acts on the AC finite flow, which consists of a high pass or low-pass recorder, a phase shift circuit and a resonant circuit, with a resistor or capacitor, and the transformer can carry out AC coupling, voltage variable, AC and impedance transformation.

Choke effect: the self induced EMF in the coil is always against the current change in the coil. It can be divided into high-frequency choke coil and low frequency choke coil.

Tuning and selecting frequency: the inductance coil and capacitor can be connected in parallel to form a LC tuning circuit. That is, the inherent oscillation frequency of the circuit F0 is equal to the frequency f of the non AC signal, then the inductance of the loop is equal to the tolerance, so the electromagnetic energy oscillates between the inductance and the capacitance, which is the resonance phenomenon of the LC loop. When the inductance and reactance equivalence of the circuit is reversed, the inductance of the total current is the smallest and the current is maximum (the AC signal of f=f0), so the LC resonant circuit has the function of selecting frequency and can select the AC signal of a certain frequency f.

Professional undertake to draw samples to customize.


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