The selection method and precautions of common mode inductors Selection method Step 1: Determine the circuit properties Step 2: Determine electrical parameters Step 3: Determine the filter frequency band Step 4: Determine the inductance parameters Selection precautions: A. In the frequency band of common-mode inductance filter, the larger the common-mode impedance, the better the common-mode filtering effect, so the device with higher impedance value should be selected as far as possible; However, for high-speed differential signals, the differential mode impedance of attention has a certain effect on signal transmission, so the differential mode impedance of attention is as small as possible. B. the inductance value of the common mode inductance when selecting the signal line, the inductance value is used as a reference, and the filter effect is mainly evaluated by the impedance value in the reference impedance frequency curve; C. the rated current of the common mode inductor,…

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Xuzhou Jiuli Electronics Co., Ltd

Xuzhou Jiuli Electronics Co., Ltd. was established on April 30, 2005, with a registered capital of 1…

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